Heavy Freezing Spray Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
309 PM EST Tue Jan 20 2026
LSZ245>248-210600-
/O.CON.KMQT.UP.W.0003.000000T0000Z-260121T0600Z/
/O.CON.KMQT.SC.Y.0015.000000T0000Z-260121T0600Z/
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
309 PM EST Tue Jan 20 2026
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...
* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
spray at a rate of 2 cm per hour or greater occurring, and may
rapidly accumulate on vessels. For the Small Craft Advisory,
southwest winds 15 to 25 kt with gusts up to 30 kt and waves 1
to 4 ft occurring.
* WHERE...Manitou Island to Point Isabelle MI, Point Isabelle to
Lower Entrance of Portage Canal MI, Lower Entrance of Portage
Canal To Huron Islands MI Including Keweenaw and Huron Bays
and Huron Islands to Marquette MI.
* WHEN...Until 1 AM EST Wednesday.
* IMPACTS...Operating a vessel in heavy freezing spray is
hazardous. Freezing spray may render mechanical and electronic
components inoperative. Rapid ice accretion on decks and
superstructures may result in a catastrophic loss of
stability. Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
309 PM EST Tue Jan 20 2026
LSZ249-250-210600-
/O.CON.KMQT.UP.W.0003.000000T0000Z-260121T0600Z/
/O.CON.KMQT.SC.Y.0015.000000T0000Z-260121T0600Z/
Marquette to Munising MI-Munising to Grand Marais MI-
309 PM EST Tue Jan 20 2026
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...
* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
spray at a rate of 2 cm per hour or greater occurring, and may
rapidly accumulate on vessels. For the Small Craft Advisory,
southwest winds 15 to 20 kt with gusts up to 30 kt and waves 4
to 7 ft occurring.
* WHERE...Marquette to Munising MI and Munising to Grand Marais
MI.
* WHEN...Until 1 AM EST Wednesday.
* IMPACTS...Operating a vessel in heavy freezing spray is
hazardous. Freezing spray may render mechanical and electronic
components inoperative. Rapid ice accretion on decks and
superstructures may result in a catastrophic loss of
stability. Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
309 PM EST Tue Jan 20 2026
LSZ251-210815-
/O.CON.KMQT.UP.W.0003.000000T0000Z-260121T1200Z/
/O.CON.KMQT.SC.Y.0015.000000T0000Z-260121T1200Z/
Grand Marais to Whitefish Point MI-
309 PM EST Tue Jan 20 2026
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
spray at a rate of 2 cm per hour or greater occurring, and may
rapidly accumulate on vessels. For the Small Craft Advisory,
southwest winds 15 to 25 kt with gusts up to 30 kt and waves 6
to 9 ft occurring.
* WHERE...Grand Marais to Whitefish Point MI.
* WHEN...Until 7 AM EST Wednesday.
* IMPACTS...Operating a vessel in heavy freezing spray is
hazardous. Freezing spray may render mechanical and electronic
components inoperative. Rapid ice accretion on decks and
superstructures may result in a catastrophic loss of
stability. Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
309 PM EST Tue Jan 20 2026
LSZ265-266-210600-
/O.CON.KMQT.UP.W.0003.000000T0000Z-260121T0600Z/
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
Lake Superior East of a line from Manitou Island to Marquette MI
and West of a line from Grand Marais MI to the US/Canadian Border
Beyond 5NM from shore-
309 PM EST Tue Jan 20 2026
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...
* WHAT...Heavy freezing spray at a rate of 2 cm per hour or
greater occurring, and may rapidly accumulate on vessels.
* WHERE...Lake Superior West of Line from Manitou Island to
Marquette MI Beyond 5NM from shore and Lake Superior East of a
line from Manitou Island to Marquette MI and West of a line
from Grand Marais MI to the US/Canadian Border Beyond 5NM from
shore.
* WHEN...Until 1 AM EST Wednesday.
* IMPACTS...Operating a vessel in heavy freezing spray is
hazardous. Freezing spray may render mechanical and electronic
components inoperative. Rapid ice accretion on decks and
superstructures may result in a catastrophic loss of stability.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
309 PM EST Tue Jan 20 2026
LSZ267-210815-
/O.CON.KMQT.UP.W.0003.000000T0000Z-260121T1200Z/
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
309 PM EST Tue Jan 20 2026
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
* WHAT...Heavy freezing spray at a rate of 2 cm per hour or
greater occurring, and may rapidly accumulate on vessels.
* WHERE...Lake Superior from Grand Marais MI to Whitefish Point
MI 5NM off shore to the US/Canadian border.
* WHEN...Until 7 AM EST Wednesday.
* IMPACTS...Operating a vessel in heavy freezing spray is
hazardous. Freezing spray may render mechanical and electronic
components inoperative. Rapid ice accretion on decks and
superstructures may result in a catastrophic loss of stability.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.
&&
$$
Winter Storm Warning
URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Rapids MI
226 PM EST Tue Jan 20 2026
MIZ043-050-056-210330-
/O.NEW.KGRR.WS.W.0002.260121T0500Z-260121T1500Z/
Oceana-Muskegon-Ottawa-
Including the cities of Muskegon, Hart, Grand Haven, and Jenison
226 PM EST Tue Jan 20 2026
...WINTER STORM WARNING IN EFFECT FROM MIDNIGHT TONIGHT TO 10 AM EST
WEDNESDAY...
* WHAT...Heavy snow expected. Total snow accumulations between 3 and
8 inches with areas of 9 to 12 inches possible.
* WHERE...Ottawa, Muskegon, and Oceana Counties.
* WHEN...From midnight tonight to 10 AM EST Wednesday.
* IMPACTS...Visibility and road conditions may change rapidly over
short distances in lake effect snow. Travel could be very
difficult. The hazardous conditions will impact the Wednesday
morning commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If you must travel, keep an extra flashlight, food, and water in
your vehicle in case of an emergency.
Be prepared for rapid changes in weather, visibility, and road
conditions.
&&
$$
Winter Weather Advisory
URGENT - WINTER WEATHER MESSAGE
National Weather Service Detroit/Pontiac MI
229 PM EST Tue Jan 20 2026
MIZ047>049-053>055-060>063-068>070-075-076-082-083-210330-
/O.NEW.KDTX.WW.Y.0004.260121T0800Z-260121T1800Z/
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-
Lapeer-St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-
Lenawee-Monroe-
Including the cities of Monroe, Sandusky, Lapeer, Howell, Flint,
Adrian, Pontiac, Caro, Midland, Ann Arbor, Warren, Saginaw,
Detroit, Bad Axe, Port Huron, Owosso, and Bay City
229 PM EST Tue Jan 20 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 3 AM TO 1 PM EST
WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations of 1 to 3 inches,
with highest amounts between I-94 and I-69.
* WHERE...All of southeast Michigan.
* WHEN...From 3 AM to 1 PM EST Wednesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Wednesday morning commute.
* ADDITIONAL DETAILS...Peak snowfall intensity expected between 4 am
and 10 am.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling. You can obtain the latest
road conditions from the MDOT Michigan Drive Map.
&&
$$
MR
URGENT - WINTER WEATHER MESSAGE
National Weather Service Gaylord MI
226 PM EST Tue Jan 20 2026
MIZ031-210730-
/O.NEW.KAPX.WW.Y.0010.260121T0600Z-260121T1500Z/
Manistee-
226 PM EST Tue Jan 20 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 10 AM EST
WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations between 2 and 4
inches.
* WHERE...Manistee County.
* WHEN...From 1 AM to 10 AM EST Wednesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions could impact the Wednesday morning commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Rapids MI
226 PM EST Tue Jan 20 2026
MIZ037-038-044-210330-
/O.NEW.KGRR.WW.Y.0007.260121T0600Z-260121T1500Z/
Mason-Lake-Newaygo-
Including the cities of Baldwin, Fremont, and Ludington
226 PM EST Tue Jan 20 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 10 AM EST
WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations between 2 and 6
inches.
* WHERE...Lake, Mason, and Newaygo Counties.
* WHEN...From 1 AM to 10 AM EST Wednesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions will impact the Wednesday morning commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
&&
$$
URGENT - WINTER WEATHER MESSAGE
National Weather Service Grand Rapids MI
226 PM EST Tue Jan 20 2026
MIZ045-046-051-052-057>059-210330-
/O.NEW.KGRR.WW.Y.0007.260121T0600Z-260121T1500Z/
Mecosta-Isabella-Montcalm-Gratiot-Kent-Ionia-Clinton-
Including the cities of Mount Pleasant, Ionia, Big Rapids,
Greenville, Alma, St. Johns, and Grand Rapids
226 PM EST Tue Jan 20 2026
...WINTER WEATHER ADVISORY IN EFFECT FROM 1 AM TO 10 AM EST
WEDNESDAY...
* WHAT...Snow expected. Total snow accumulations between 2 and 5
inches.
* WHERE...Portions of central, south central, and southwest Michigan.
* WHEN...From 1 AM to 10 AM EST Wednesday.
* IMPACTS...Plan on slippery road conditions. The hazardous
conditions will impact the Wednesday morning commute.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Slow down and use caution while traveling.
&&
$$
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
247 PM CST Tue Jan 20 2026
LMZ643>646-210500-
/O.NEW.KMKX.SC.Y.0010.260121T2100Z-260124T0000Z/
Sheboygan to Port Washington WI-
Port Washington to North Point Light WI-
North Point Light to Wind Point WI-
Wind Point WI to Winthrop Harbor IL-
247 PM CST Tue Jan 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM WEDNESDAY TO 6 PM CST
FRIDAY...
* WHAT...West winds 15 to 25 kt with gusts up to 30 kt expected.
* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL.
* WHEN...From 3 PM Wednesday to 6 PM CST Friday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
309 PM EST Tue Jan 20 2026
LSZ245>248-210600-
/O.CON.KMQT.UP.W.0003.000000T0000Z-260121T0600Z/
/O.CON.KMQT.SC.Y.0015.000000T0000Z-260121T0600Z/
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
309 PM EST Tue Jan 20 2026
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...
* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
spray at a rate of 2 cm per hour or greater occurring, and may
rapidly accumulate on vessels. For the Small Craft Advisory,
southwest winds 15 to 25 kt with gusts up to 30 kt and waves 1
to 4 ft occurring.
* WHERE...Manitou Island to Point Isabelle MI, Point Isabelle to
Lower Entrance of Portage Canal MI, Lower Entrance of Portage
Canal To Huron Islands MI Including Keweenaw and Huron Bays
and Huron Islands to Marquette MI.
* WHEN...Until 1 AM EST Wednesday.
* IMPACTS...Operating a vessel in heavy freezing spray is
hazardous. Freezing spray may render mechanical and electronic
components inoperative. Rapid ice accretion on decks and
superstructures may result in a catastrophic loss of
stability. Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
309 PM EST Tue Jan 20 2026
LSZ249-250-210600-
/O.CON.KMQT.UP.W.0003.000000T0000Z-260121T0600Z/
/O.CON.KMQT.SC.Y.0015.000000T0000Z-260121T0600Z/
Marquette to Munising MI-Munising to Grand Marais MI-
309 PM EST Tue Jan 20 2026
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM EST
WEDNESDAY...
* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
spray at a rate of 2 cm per hour or greater occurring, and may
rapidly accumulate on vessels. For the Small Craft Advisory,
southwest winds 15 to 20 kt with gusts up to 30 kt and waves 4
to 7 ft occurring.
* WHERE...Marquette to Munising MI and Munising to Grand Marais
MI.
* WHEN...Until 1 AM EST Wednesday.
* IMPACTS...Operating a vessel in heavy freezing spray is
hazardous. Freezing spray may render mechanical and electronic
components inoperative. Rapid ice accretion on decks and
superstructures may result in a catastrophic loss of
stability. Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Marquette MI
309 PM EST Tue Jan 20 2026
LSZ251-210815-
/O.CON.KMQT.UP.W.0003.000000T0000Z-260121T1200Z/
/O.CON.KMQT.SC.Y.0015.000000T0000Z-260121T1200Z/
Grand Marais to Whitefish Point MI-
309 PM EST Tue Jan 20 2026
...HEAVY FREEZING SPRAY WARNING REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
* WHAT...For the Heavy Freezing Spray Warning, heavy freezing
spray at a rate of 2 cm per hour or greater occurring, and may
rapidly accumulate on vessels. For the Small Craft Advisory,
southwest winds 15 to 25 kt with gusts up to 30 kt and waves 6
to 9 ft occurring.
* WHERE...Grand Marais to Whitefish Point MI.
* WHEN...Until 7 AM EST Wednesday.
* IMPACTS...Operating a vessel in heavy freezing spray is
hazardous. Freezing spray may render mechanical and electronic
components inoperative. Rapid ice accretion on decks and
superstructures may result in a catastrophic loss of
stability. Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should prepare for dangerous accumulation of ice on
their vessel. If possible, remain in port, avoid the warning area
or conduct mitigation.
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
231 PM EST Tue Jan 20 2026
LHZ346>349-210345-
/O.EXT.KAPX.SC.Y.0010.000000T0000Z-260121T1000Z/
St Ignace to False Detour Channel-
5NM East of Mackinac Bridge to Presque Isle Light MI including
Bois Blanc Island-
Presque Isle Light to Sturgeon Pt MI Including Thunder Bay
National Marine Sanctuary-Sturgeon Pt to Alabaster MI-
231 PM EST Tue Jan 20 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 5 AM EST WEDNESDAY...
* WHAT...Highest gusts up to 30 kts from the southwest and
highest waves around 6 feet.
* WHERE...St Ignace to False Detour Channel, 5NM East of
Mackinac Bridge to Presque Isle Light MI including Bois Blanc
Island, Presque Isle Light to Sturgeon Pt MI Including Thunder
Bay National Marine Sanctuary and Sturgeon Pt to Alabaster MI.
* WHEN...Until 5 AM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
231 PM EST Tue Jan 20 2026
LMZ323-342-344>346-210345-
/O.CON.KAPX.SC.Y.0010.000000T0000Z-260121T1000Z/
Grand Traverse Bay south of a line Grand Traverse Light to
Norwood MI-
Norwood MI to 5NM West of Mackinac Bridge including Little
Traverse Bay-Sleeping Bear Point to Grand Traverse Light MI-
Point Betsie to Sleeping Bear Point MI-
Manistee to Point Betsie MI-
231 PM EST Tue Jan 20 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
WEDNESDAY...
* WHAT...Highest gusts up to 30 kts from the west and highest
waves around 6 feet.
* WHERE...Grand Traverse Bay south of a line Grand Traverse
Light to Norwood MI, Norwood MI to 5NM West of Mackinac Bridge
including Little Traverse Bay, Sleeping Bear Point to Grand
Traverse Light MI, Point Betsie to Sleeping Bear Point MI and
Manistee to Point Betsie MI.
* WHEN...Until 5 AM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
231 PM EST Tue Jan 20 2026
LMZ341-210300-
/O.EXT.KAPX.SC.Y.0010.000000T0000Z-260121T0300Z/
Seul Choix Point to 5NM West of Mackinac Bridge-
231 PM EST Tue Jan 20 2026
...SMALL CRAFT ADVISORY NOW IN EFFECT UNTIL 10 PM EST THIS
EVENING...
* WHAT...Highest gusts up to 25 kts from the west and highest
waves around 5 feet.
* WHERE...Seul Choix Point to 5NM West of Mackinac Bridge.
* WHEN...Until 10 PM EST this evening.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Gaylord MI
231 PM EST Tue Jan 20 2026
LSZ321-210345-
/O.CON.KAPX.SC.Y.0010.000000T0000Z-260121T1000Z/
Whitefish Bay (U.S. Portion)/Whitefish Point to Point Iroquois MI-
231 PM EST Tue Jan 20 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 AM EST
WEDNESDAY...
* WHAT...Highest gusts up to 30 kts from the southwest and
highest waves around 7 feet.
* WHERE...Whitefish Bay (U. S. Portion)/Whitefish Point to Point
Iroquois MI.
* WHEN...Until 5 AM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Grand Rapids MI
1237 PM EST Tue Jan 20 2026
LMZ844>849-210145-
/O.CON.KGRR.SC.Y.0006.000000T0000Z-260121T1200Z/
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
1237 PM EST Tue Jan 20 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 AM EST
WEDNESDAY...
* WHAT...Southwest winds 10 to 20 knots with gusts up to 25
knots and waves 3 to 6 feet.
* WHERE...St Joseph to Manistee.
* WHEN...Until 7 AM EST Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
Heavy Freezing Spray Watch
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
247 PM CST Tue Jan 20 2026
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-210500-
/O.NEW.KMKX.UP.A.0002.260122T0300Z-260124T0900Z/
Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to
mid-line of lake.-
Lake Michigan from Seul Choix Point to Rock Island Passage 5NM
offshore to Mid Lake-
Lake Michigan South of a line from Seul Choix Point to the
Mackinac Bridge and North of a line from Charlevoix MI to South
Fox Island 5NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5NM Offshore to
mid lake-
Lake Michigan from Point Betsie to Manistee MI 5NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI 5NM
offshore to mid lake-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid
Lake-
Lake Michigan from Sheboygan to Port Washington WI 5NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor to Michigan City in 5NM
offshore to Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid
Lake-
Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5NM offshore to Mid
lake-
Lake Michigan from St Joseph to South Haven MI 5NM offshore to
Mid Lake-
247 PM CST Tue Jan 20 2026
...HEAVY FREEZING SPRAY WATCH IN EFFECT FROM WEDNESDAY EVENING
THROUGH LATE FRIDAY NIGHT...
* WHAT...Heavy freezing spray at a rate of 2 cm per hour or
greater possible, and may rapidly accumulate on vessels.
* WHERE...All Open Waters of Lake Michigan.
* WHEN...From Wednesday evening through late Friday night.
* IMPACTS...Operating a vessel in heavy freezing spray is
hazardous. Freezing spray may render mechanical and electronic
components inoperative. Ice accretion on decks and
superstructures may result in a catastrophic loss of stability.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should consider altering plans to avoid or mitigate
hazardous accumulation of ice on their vessel.
&&
$$
Extreme Cold Watch
URGENT - WEATHER MESSAGE
National Weather Service Green Bay WI
136 PM CST Tue Jan 20 2026
WIZ013-020>022-031-037>040-045-048>050-073-074-211000-
/O.NEW.KGRB.EC.A.0001.260123T0600Z-260124T1800Z/
Northern Marinette County-Menominee-Northern Oconto County-Door-
Shawano-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-Calumet-
Manitowoc-Southern Marinette County-Southern Oconto County-
Including the cities of Menasha, Sturgeon Bay, Wausaukee, Niagara,
Wautoma, Fish Creek, Peshtigo, Loomis, Luxemburg, Porterfield, Little
Suamico, Pensaukee, Brookside, Appleton, New Holstein, Green Bay,
Clintonville, Harmony, Neenah, Waupaca, High Falls Reservoir,
Kewaunee, Manitowoc, Townsend, Sister Bay, Keshena, Oconto, Crivitz,
Middle Inlet, Mountain, Sobieski, Lakewood, Oshkosh, Chilton, Neopit,
Two Rivers, New London, Brillion, Redgranite, and Shawano
136 PM CST Tue Jan 20 2026
...EXTREME COLD WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH
SATURDAY MORNING...
* WHAT...Dangerously cold wind chills as low as 30 to 40 below
possible.
* WHERE...Portions of central, east central, and northeast Wisconsin.
* WHEN...From late Thursday night through Saturday morning.
* IMPACTS...The dangerously cold wind chills as low as 40 below zero
could cause frostbite on exposed skin in as little as 10 minutes.
Keep pets indoors as much as possible.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Dress in layers including a hat, face mask, and gloves if you must go
outside.
&&
$$
For more information, visit us at http://www.weather.gov/GreenBay
MPC
URGENT - WEATHER MESSAGE
National Weather Service Marquette MI
212 PM EST Tue Jan 20 2026
MIZ001>005-009>012-084-210315-
/O.EXT.KMQT.EC.A.0001.260123T0300Z-260124T1800Z/
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Gogebic-
Iron-Dickinson-Menominee-Southern Houghton-
Including the cities of Ontonagon, Gwinn, Copper Harbor, Hancock,
Menominee, Marquette, L`Anse, Kenton, Sidnaw, Iron Mountain,
Houghton, Iron River, and Ironwood
212 PM EST Tue Jan 20 2026 /112 PM CST Tue Jan 20 2026/
...EXTREME COLD WATCH NOW IN EFFECT FROM THURSDAY EVENING THROUGH
SATURDAY AFTERNOON...
* WHAT...Dangerously cold wind chills as low as 32 below possible.
* WHERE...Baraga, Dickinson, Iron, Marquette, Menominee, Gogebic,
Keweenaw, Northern Houghton, Ontonagon, and Southern Houghton
Counties.
* WHEN...From Thursday evening through Saturday afternoon.
* IMPACTS...The dangerously cold wind chills as low as 30 below zero
could cause frostbite on exposed skin in as little as 10 minutes.
Frostbite and hypothermia will occur if unprotected skin is
exposed to these temperatures. An extended period of freezing
temperatures could cause ruptured water pipes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Dress in layers including a hat, face mask, and gloves if you must
go outside.
To prevent water pipes from freezing; wrap or drain or allow them to
drip slowly.
Drain in-ground sprinkler systems and cover above ground pipes.
&&
$$
TDUD
URGENT - WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
1240 PM CST Tue Jan 20 2026
WIZ046-047-051-052-056>060-062>072-210245-
/O.NEW.KMKX.EC.A.0001.260123T0600Z-260124T1800Z/
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
Including the cities of Endeavor, Germantown, Benton, Markesan,
Oxford, Shullsburg, Muskego, Cedarburg, Oostburg, Portage,
Jefferson, Belmont, Waupun, Reedsburg, Columbus, Watertown,
Waukesha, Berlin, Fond Du Lac, Dodgeville, Fort Atkinson,
Madison, Beaver Dam, Princeton, Montello, Grafton, Argyle,
Whitewater, Mequon, Barneveld, Baraboo, Darlington, Brookfield,
Sheboygan Falls, Janesville, Beloit, Lake Geneva, Plymouth,
Mayville, Menomonee Falls, Elkhorn, West Bend, Delavan, Lake
Wisconsin, East Troy, Prairie Du Sac, Racine, Kenosha, Howards
Grove, New Berlin, Sauk City, Monroe, Westfield, Milwaukee,
Mineral Point, Lodi, Neshkoro, Hartford, Blanchardville, and
Brodhead
1240 PM CST Tue Jan 20 2026
...EXTREME COLD WATCH IN EFFECT FROM LATE THURSDAY NIGHT THROUGH
SATURDAY MORNING...
* WHAT...Dangerously cold wind chills as low as 40 below possible.
* WHERE...Portions of east central, south central, and southeast
Wisconsin.
* WHEN...From late Thursday night through Saturday morning.
* IMPACTS...The dangerously cold wind chills as low as 40 below zero
could cause frostbite on exposed skin in as little as 10 minutes.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Dress in layers including a hat, face mask, and gloves if you must
go outside.
&&
$$
KUROSKI
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
316 PM CST Tue Jan 20 2026
WIZ046-047-051-052-056>060-062>072-212130-
Marquette-Green Lake-Fond du Lac-Sheboygan-Sauk-Columbia-Dodge-
Washington-Ozaukee-Iowa-Dane-Jefferson-Waukesha-Milwaukee-
Lafayette-Green-Rock-Walworth-Racine-Kenosha-
316 PM CST Tue Jan 20 2026
This Hazardous Weather Outlook is for portions of east central
Wisconsin, south central Wisconsin and southeast Wisconsin.
.DAY ONE...Tonight
A Winter Weather Advisory is in effect starting at 9 PM CST this
evening, mainly along and south of the Highway 18 and Interstate
94 corridor. This includes the Milwaukee and Madison metro areas.
Snow is expected into the overnight hours, with 2 to 5 inches of
accumulation expected. Locally higher amounts are possible,
mainly near the Illinois border area. Snow covered and slippery
roads are expected.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
The Winter Weather Advisory remains in effect until 6 AM CST
Wednesday morning, as the snow ends from west to east across the
area.
Another Arctic cold front will push east through the area later
Wednesday into Wednesday evening, bringing the possibility of
locally heavy and fast moving snow showers. The best chances
would be southwest and south of Madison. These snow showers may
greatly reduce visibility quickly and cause hazardous driving
conditions.
An Extreme Cold Watch is in effect from late Thursday night
through Saturday morning. Periods of 30 to 40 below zero wind
chills are possible.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed, but snowfall reports will
be appreciated.
$$
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
345 PM EST Tue Jan 20 2026
LCZ460-LEZ444-LHZ361>363-421-422-441>443-462>464-212045-
Lake St Clair-
Michigan Waters of Lake Erie from Detroit River to North Cape MI-
Lake Huron from 5NM east of Mackinac Bridge to Presque Isle Lt
beyond 5 NM off shore-
Lake Huron from Presque Isle Light to Sturgeon Point MI beyond 5NM
off shore-
Lake Huron from Sturgeon Point to Alabaster MI beyond 5NM off shore-
Outer Saginaw Bay SW of Alabaster to Port Austin MI to Inner Saginaw
Bay-Inner Saginaw Bay SW of Point Au Gres to Bay Port MI-
Port Austin to Harbor Beach MI-Harbor Beach to Port Sanilac MI-
Port Sanilac to Port Huron MI-
Lake Huron from Port Austin to Harbor Beach beyond 5NM Off Shore-
Lake Huron from Harbor Beach to Port Sanilac beyond 5NM Off Shore-
Lake Huron from Port Sanilac to Port Huron beyond 5NM Off Shore-
345 PM EST Tue Jan 20 2026
This hazardous weather outlook is for portions of Lake Erie, Lake
Huron and Lake St Clair.
.DAY ONE...This Afternoon and Tonight
No hazardous weather expected at this time.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Periods of snow squalls and heavy spray expected Friday into the
weekend as arctic air moves across the region.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today and tonight.
$$
You can obtain your latest National Weather Service forecasts online
at www.weather.gov/detroit.
MR
Hazardous Weather Outlook
National Weather Service Detroit/Pontiac MI
345 PM EST Tue Jan 20 2026
MIZ047>049-053>055-060>063-068>070-075-076-082-083-212045-
Midland-Bay-Huron-Saginaw-Tuscola-Sanilac-Shiawassee-Genesee-Lapeer-
St. Clair-Livingston-Oakland-Macomb-Washtenaw-Wayne-Lenawee-Monroe-
345 PM EST Tue Jan 20 2026
This hazardous weather outlook is for southeast Michigan.
.DAY ONE...This Afternoon and Tonight
Winter Weather Advisory is in effect starting at 3 am tonight. Refer
to the latest winter weather message for details.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Winter Weather Advisory remains in effect through 1 pm Wednesday.
Dangerously cold wind chill expected again Friday into next
weekend. Minimum wind chill below -10F expected each morning.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today and tonight.
$$
Hazardous Weather Outlook
National Weather Service Marquette MI
335 PM EST Tue Jan 20 2026
LSZ162-240>251-263>267-212045-
Lake Superior west of a line from Saxon Harbor WI to Grand
Portage MN beyond 5NM-Saxon Harbor WI to Black River MI-
Black River to Ontonagon MI-
Ontonagon to Upper Entrance of Portage Canal MI-
Upper Entrance of Portage Canal to Eagle River MI-
Eagle River to Manitou Island MI-
Manitou Island to Point Isabelle MI-
Point Isabelle to Lower Entrance of Portage Canal MI-
Lower Entrance of Portage Canal To Huron Islands MI Including
Keweenaw and Huron Bays-Huron Islands to Marquette MI-
Marquette to Munising MI-Munising to Grand Marais MI-
Grand Marais to Whitefish Point MI-
Lake Superior from Saxon Harbor WI to Upper Entrance to Portage
Canal MI 5NM off shore to the US/Canadian border including Isle
Royale National Park-
Lake Superior from Upper Entrance to Portage Canal to Manitou
Island MI 5NM off shore to the US/Canadian Border-
Lake Superior West of Line from Manitou Island to Marquette MI
Beyond 5NM from shore-
Lake Superior East of a line from Manitou Island to Marquette MI
and West of a line from Grand Marais MI to the US/Canadian Border
Beyond 5NM from shore-
Lake Superior from Grand Marais MI to Whitefish Point MI 5NM off
shore to the US/Canadian border-
335 PM EST Tue Jan 20 2026 /235 PM CST Tue Jan 20 2026/
This Hazardous Weather Outlook is for portions of Central Lake
Superior...Eastern Lake Superior and Western Lake Superior.
.DAY ONE...Tonight
Heavy Freezing Spray continues into tonight. See the latest Open
Lake Forecast and Marine Weather Message for additional details.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Northwest gales to 35 knots are possible late Wednesday and
potentially onwards (50% chance). In addition, expect heavy
freezing spray to return Wednesday night through at least Saturday
morning. See the latest Open Lake Forecast and Marine Discussion
for additional details.
.SPOTTER INFORMATION STATEMENT...
The need for weather spotter reports is not anticipated at this
time.
$$
Hazardous Weather Outlook
National Weather Service Marquette MI
335 PM EST Tue Jan 20 2026
MIZ001>007-009>014-084-085-212045-
Keweenaw-Ontonagon-Northern Houghton-Baraga-Marquette-Alger-Luce-
Gogebic-Iron-Dickinson-Menominee-Delta-Southern Schoolcraft-
Southern Houghton-Northern Schoolcraft-
335 PM EST Tue Jan 20 2026 /235 PM CST Tue Jan 20 2026/
This Hazardous Weather Outlook is for portions of central Upper
Michigan and western Upper Michigan.
.DAY ONE...Tonight
Lake effect snow showers will continue tonight across the
Keweenaw Peninsula. Moderate to heavy snowfall rates will be
possible in and to the north of Houghton. See the latest Winter
Weather Advisories for additional information.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Coldest air of the season will create a period of below zero
temperatures from Thursday night through at least Saturday morning
across most of Upper Michigan. Temperatures below -15F and wind
chills near -35F are likely (50-70% chance).
.SPOTTER INFORMATION STATEMENT...
Spotters are encouraged to submit snowfall reports to the National
Weather Service via phone, on our website, or through social
media.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
332 PM EST Tue Jan 20 2026
LMZ844>849-212045-
St Joseph to South Haven MI-South Haven to Holland MI-
Holland to Grand Haven MI-Grand Haven to Whitehall MI-
Whitehall to Pentwater MI-Pentwater to Manistee MI-
332 PM EST Tue Jan 20 2026
This hazardous weather outlook is for the nearshore waters from
St Joseph to Manistee.
.DAY ONE...This Afternoon and Tonight
Winds and waves will be hazardous to small craft.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Winds and waves will continue to be hazardous to small craft with
borderline gale conditions Wednesday night into Friday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Grand Rapids MI
332 PM EST Tue Jan 20 2026
MIZ037>040-043>046-050>052-056>059-064>067-071>074-212045-
Mason-Lake-Osceola-Clare-Oceana-Newaygo-Mecosta-Isabella-Muskegon-
Montcalm-Gratiot-Ottawa-Kent-Ionia-Clinton-Allegan-Barry-Eaton-
Ingham-Van Buren-Kalamazoo-Calhoun-Jackson-
332 PM EST Tue Jan 20 2026
This hazardous weather outlook is for portions of southwest Lower
Michigan.
.DAY ONE...This Afternoon and Tonight
Another round of moderate to heavy snowfall is expected tonight
into Wednesday morning bringing travel impacts to the Wednesday
morning commute.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Light snow continues through the day Wednesday with another round
of moderate snow Wednesday night into Thursday bringing impacts to
the Thursday morning commute. Lake effect snow will likely
continue into the weekend with bitter cold temperatures moving in
for Friday into Sunday morning with wind chills in the teens below
zero and highs in the single digits.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Green Bay WI
221 PM CST Tue Jan 20 2026
WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-212030-
Vilas-Oneida-Forest-Florence-Northern Marinette County-Lincoln-
Langlade-Menominee-Northern Oconto County-Door-Marathon-Shawano-
Wood-Portage-Waupaca-Outagamie-Brown-Kewaunee-Waushara-Winnebago-
Calumet-Manitowoc-Southern Marinette County-
Southern Oconto County-
221 PM CST Tue Jan 20 2026
This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.
.DAY ONE...Tonight
Light snow is expected late tonight, especially south of Highway
10, which could result in slippery conditions for the Wednesday
morning commute.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
Another round of light snow will likely Wednesday afternoon and
evening, which could result in slippery conditions for the Wednesday
evening commute.
Extreme cold is expected from late Thursday night through Sunday,
with daytime highs Friday and Saturday below zero for the
majority of the area, and wind chills of 30 to 45 below zero on Friday
morning and Saturday morning.
.SPOTTER INFORMATION STATEMENT...
Spotters are requested to forward snowfall measurements to the
National Weather Service in Green Bay.
$$
Hazardous Weather Outlook
National Weather Service Gaylord MI
234 PM EST Tue Jan 20 2026
MIZ016>018-020>036-041-042-086>088-095>099-211945-
Emmet-Cheboygan-Presque Isle-Leelanau-Antrim-Otsego-Montmorency-
Alpena-Benzie-Grand Traverse-Kalkaska-Crawford-Oscoda-Alcona-
Manistee-Wexford-Missaukee-Roscommon-Ogemaw-Iosco-Gladwin-Arenac-
Western Chippewa-Central Chippewa-Southeast Chippewa-
Western Mackinac-Eastern Mackinac-
Mackinac Island/Bois Blanc Island-
Beaver Island and surrounding islands-Charlevoix-
234 PM EST Tue Jan 20 2026
This hazardous weather outlook is for Eastern Upper Michigan and
Northern Lower Michigan.
.DAY ONE...This afternoon and tonight.
Lingering light lake effect snow showers and blowing snow will
continue to result in localized significant visibility drops
through early evening. THe lowest visibilities are expected across
portions of northwest and north-central lower Michigan.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Periods of accumulating lake effect/enhanced snow are expected
Wednesday through much of the upcoming weekend, especially in the
typical snow belts of northwest lower and eastern upper Michigan.
Another shot of frigid air, likely the coldest of the season, is
expected to arrive Thursday night into Friday...with the cold
expected to last through the upcoming weekend.
.SPOTTER INFORMATION STATEMENT...
Spotters are encouraged to report snowfall amounts to the
National Weather Service. Reports may be made one of three ways:
Online: weather.gov/gaylord
Facebook: facebook.com/nwsgaylord
Twitter: twitter.com/nwsgaylord
For more information visit http://weather.gov/gaylord.
$$
