Gale Warning
URGENT - MARINE WEATHER MESSAGE
National Weather Service Milwaukee/Sullivan WI
235 PM CDT Tue Apr 15 2025
LMZ366-565-567-643>646-669-671-673-675-868-870-872-874-876-160000-
/O.CON.KMKX.GL.W.0019.000000T0000Z-250416T0000Z/
Lake Michigan from Point Betsie to Manistee MI 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-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-
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 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-
235 PM CDT Tue Apr 15 2025
...GALE WARNING REMAINS IN EFFECT UNTIL 7 PM CDT THIS EVENING...
* WHAT...Northwest winds 15 to 20 kt with gusts up to 35 kt and
waves 4 to 7 ft.
* WHERE...Nearshore Waters from Sheboygan to Winthrop Harbor IL,
as well as central areas of the open waters. North of a
Winthrop Harbor IL to South Haven MI line and south of a
Sturgeon Bay WI to Point Betsie Light MI line.
* WHEN...Until 7 PM CDT this evening.
* IMPACTS...Strong winds will cause hazardous waves which could
capsize or damage vessels and reduce visibility.
* ADDITIONAL DETAILS...A Small Craft Advisory may be needed for
nearshore zones after this Gale Warning expires, lasting several
hours afterwards on account of lingering northwest wind gusts.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Mariners should alter plans to avoid these hazardous conditions.
Remain in port, seek safe harbor, alter course, and/or secure the
vessel for severe conditions.
&&
$$
Sheppard
Small Craft Advisory
URGENT - MARINE WEATHER MESSAGE
National Weather Service Green Bay WI
407 PM CDT Tue Apr 15 2025
LMZ541>543-160515-
/O.CON.KGRB.SC.Y.0043.000000T0000Z-250416T0600Z/
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
407 PM CDT Tue Apr 15 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 1 AM CDT
WEDNESDAY...
* WHAT...Northwest winds 10 to 20 kt with gusts up to 30 kt and
waves 1 to 3 ft.
* WHERE...Lake Michigan nearshore waters from Washington Island
to Sheboygan.
* WHEN...Until 1 AM CDT Wednesday.
* IMPACTS...Conditions will be hazardous to small craft.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Inexperienced mariners, especially those operating smaller
vessels, should avoid navigating in hazardous conditions.
&&
$$
URGENT - MARINE WEATHER MESSAGE
National Weather Service Chicago IL
235 PM CDT Tue Apr 15 2025
LMZ740>743-160000-
/O.CON.KLOT.SC.Y.0049.000000T0000Z-250416T0000Z/
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-
235 PM CDT Tue Apr 15 2025
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 7 PM CDT THIS
EVENING...
* WHAT...Northwest winds to 30 kt with a few gale force gusts to
35 kt and significant waves to 5 ft occurring.
* WHERE...Winthrop Harbor to Calumet Harbor IL, and Calumet
Harbor IL to Gary IN.
* WHEN...Until 7 PM CDT 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.
&&
$$
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Green Bay WI
629 PM CDT Tue Apr 15 2025
LMZ521-522-541>543-162330-
The Bay of Green Bay south of a line from Cedar River MI to Rock
Island Passage-Lake Michigan from Washington Island to Sheboygan-
629 PM CDT Tue Apr 15 2025
This Hazardous Weather Outlook is for portions of northwest Lake
Michigan and the waters of Green Bay.
.DAY ONE...Tonight
Hazardous conditions to small craft are expected through late this
evening.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
Conditions hazardous to small craft are expected Thursday through
Friday.
$$
Eckberg
Hazardous Weather Outlook
National Weather Service Green Bay WI
629 PM CDT Tue Apr 15 2025
WIZ005-010>013-018>022-030-031-035>040-045-048>050-073-074-162330-
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-
629 PM CDT Tue Apr 15 2025
This Hazardous Weather Outlook is for north-central and northeast
Wisconsin.
.DAY ONE...Tonight
Gusty northwest winds to around 30 mph will subside this evening.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
Elevated fire weather conditions are possible Wednesday due to
relative humidities in the upper teens and 20s, away from Lake
Michigan. Elevated fire weather conditions may return again over
the weekend as well.
There is a chance of thunderstorms on Thursday night and Friday,
but the risk of severe weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed tonight.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
231 PM CDT Tue Apr 15 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-161945-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
231 PM CDT Tue Apr 15 2025 /331 PM EDT Tue Apr 15 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Tonight.
Weather hazards expected...
Limited Fire Weather Risk.
DISCUSSION...
The combination of gusty northwest winds, low relative humidity
values, and dry vegetation will contribute to a limited fire
weather risk through sunset particularly away from Lake Michigan.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Thursday...
Limited Thunderstorm Risk...with an associated:
Level 1 of 5 Severe Thunderstorm Risk.
Friday...
Limited Thunderstorm Risk...with an associated:
Level 2 of 5 Severe Thunderstorm Risk.
Sunday...
Limited Thunderstorm Risk.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
231 PM CDT Tue Apr 15 2025
LMZ740>745-161945-
Winthrop Harbor to Wilmette Harbor IL-
Wilmette Harbor to Northerly Island IL-
Northerly Island to Calumet Harbor IL-
Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN-
Burns Harbor to Michigan City IN-
231 PM CDT Tue Apr 15 2025
This Hazardous Weather Outlook is for portions of the Illinois
nearshore waters of Lake Michigan and the Indiana nearshore
waters of Lake Michigan.
.DAY ONE...Tonight.
Weather hazards expected...
Hazardous conditions for small craft.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Thursday...
Hazardous conditions for small craft are likely.
Limited Thunderstorm Risk.
Friday...
Hazardous conditions for small craft are likely.
Limited Thunderstorm Risk.
$$
Borchardt
Visit us at www.weather.gov/chicago
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
229 PM CDT Tue Apr 15 2025
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-
870-872-874-876-878-161930-
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-
229 PM CDT Tue Apr 15 2025
This Hazardous Weather Outlook is for the open waters of Lake Michigan.
.DAY ONE...Tonight
A Gale Warning is in effect for open waters of Lake Michigan north
of a Winthrop Harbor IL to South Haven MI line until 7 PM CDT this
evening, and until 1 AM CDT Wednesday for the northern third of
the lake. Northwest winds gradually subside thereafter.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
Breezy southerly winds are expected Thursday and Thursday night,
but gales are not expected at this time.
$$
Sheppard
www.weather.gov/mkx
Hazardous Weather Outlook
National Weather Service Milwaukee/Sullivan WI
229 PM CDT Tue Apr 15 2025
LMZ643>646-161930-
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-
229 PM CDT Tue Apr 15 2025
This Hazardous Weather Outlook is for the nearshore waters from
Sheboygan Wisconsin to Winthrop Harbor Illinois.
.DAY ONE...Tonight
A Gale Warning remains in effect through 7 PM this evening for
gusty northwest winds. A Small Craft Advisory may be needed from
then through late tonight.
.DAYS TWO THROUGH SEVEN...Wednesday through Tuesday
A Small Craft Advisory may be needed Thursday into Friday for
breezy southerly winds and building waves.
$$
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
Issued by National Weather Service Des Moines IA
155 PM CDT Tue Apr 15 2025
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-161900-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
155 PM CDT Tue Apr 15 2025
This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.
.DAY ONE...THIS AFTERNOON AND TONIGHT
Blustery winds and elevated fire weather conditions will prevail
through the remainder of this afternoon, particularly north of
Interstate 80.
Frost and freezing temperatures are likely late tonight into early
Wednesday morning, especially north of Interstate 80.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
There are chances for thunderstorms Thursday through Friday with
strong to severe storms possible. The most likely severe hazard is
large hail at this time. Locally heavy rainfall may also be
possible. Stay tuned for further updates.
There may be another chance for thunderstorms on Sunday with any
risk of severe weather being better determined in the coming days.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today or tonight.
$$
