National Weather Service United States Department of Commerce

Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

FZUS61 KMKX 020805
GLFLMT

Experimental Tabular Open Lake Forecast FOR Lake Michigan
National Weather Service Milwaukee/Sullivan WI
305 AM CDT Sat Aug 2 2025

Waves are the significant wave height - the average of the highest
1/3 of the wave spectrum.   Occasional wave height is the average of
the highest 1/10 of the wave spectrum.

.SYNOPSIS...

LMZ261-362-364-366-563-565-567-868-021500-
Lake Michigan from Seul Choix Point to Rock Island Passage 5 NM
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 5 NM offshore-
Lake Michigan from Charlevoix to Point Betsie MI 5 NM offshore to
Mid Lake-
Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to
Mid Lake-
Lake Michigan from Rock Island Passage to Sturgeon Bay WI-
Lake Michigan from Sturgeon Bay to Two Rivers WI 5 NM offshore to
Mid Lake-
Lake Michigan from Two Rivers to Sheboygan WI 5 NM offshore to
Mid Lake-
Lake Michigan from Pentwater to Manistee MI 5 NM offshore to Mid
Lake-
305 AM CDT Sat Aug 2 2025

.TODAY...
WEATHER.............Sunny with areas of smoke.
SFC WINDS...........West 5 to 10 knots.
100-FT WINDS........West 10 to 15 knots.
SIG WAVES...........2 to 4 feet / around 1 meter /.
OCNL WAVES..........Around 5 feet / 2 meters /.

.TONIGHT...
WEATHER.............Mostly clear. areas of smoke.
SFC WINDS...........West 5 to 10 knots.
100-FT WINDS........West 10 to 15 knots.
SIG WAVES...........2 to 4 feet / around 1 meter /.
OCNL WAVES..........Around 5 feet / 2 meters /.

.SUNDAY...
WEATHER.............Sunny with areas of smoke. sunny in the late
                              morning and afternoon.
SFC WINDS...........West 5 to 10 knots...becoming southwest early
                              in the afternoon.
100-FT WINDS........West 10 to 15 knots...becoming southwest early
                              in the afternoon.
SIG WAVES...........1 to 3 feet / 1 meter or less /.

.SUNDAY NIGHT...
WEATHER.............Mostly clear with areas of smoke. mostly clear.
SFC WINDS...........Light and variable winds.
100-FT WINDS........Light and variable winds.
SIG WAVES...........2 feet or less / less than 1 meter /.


.FORECAST DAYS 3 THROUGH 5...

.MONDAY...East winds 5 to 10 knots. Waves 1 to 3 feet / 1 meter
or less /.
.TUESDAY...Southeast winds 5 to 10 knots. Waves 2 to 4 feet /
around 1 meter /.
.WEDNESDAY...Southeast winds 5 to 10 knots. Waves 2 to 4 feet /
around 1 meter /.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-021500-
Lake Michigan from Michigan City IN to St. Joseph MI 5 NM
offshore to Mid Lake-
Lake Michigan from Sheboygan to Port Washington WI 5 NM offshore
to Mid Lake-
Lake Michigan from Port Washington to North Point Light WI 5 NM
offshore to Mid Lake-
Lake Michigan from North Point Light to Wind Point WI 5 NM
offshore to Mid Lake-
Lake Michigan from Wind Point WI to Winthrop Harbor IL 5 NM
offshore to Mid Lake-
Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5 NM
offshore to Mid Lake-
Lake Michigan from Wilmette Harbor IL to Michigan City IN 5 NM
offshore to Mid Lake-
Lake Michigan from Whitehall to Pentwater MI 5 NM offshore to Mid
Lake-
Lake Michigan from Grand Haven to Whitehall MI 5 NM offshore to
Mid Lake-
Lake Michigan from Holland to Grand Haven MI 5 NM offshore to Mid
Lake-
Lake Michigan from South Haven to Holland MI 5 NM offshore to Mid
Lake-
Lake Michigan from St. Joseph to South Haven MI 5 NM offshore to
Mid Lake-
305 AM CDT Sat Aug 2 2025

.TODAY...
WEATHER.............Mostly sunny. areas of smoke early in the
                              afternoon.
SFC WINDS...........Northeast 5 to 10 knots...becoming north in the
                              late morning and afternoon.
100-FT WINDS........Northeast 10 to 15 knots...becoming north in
                              the late morning and afternoon.
SIG WAVES...........2 to 4 feet / around 1 meter /.
OCNL WAVES..........Around 5 feet / 2 meters /.

.TONIGHT...
WEATHER.............Mostly clear with areas of smoke.
SFC WINDS...........North 5 to 10 knots until early
                              morning...becoming light and variable.
100-FT WINDS........North 10 to 15 knots until early
                              morning...becoming light and variable.
SIG WAVES...........1 to 3 feet / 1 meter or less /.

.SUNDAY...
WEATHER.............Sunny. areas of smoke.
SFC WINDS...........Northeast 5 to 10 knots.
100-FT WINDS........Northeast 10 to 15 knots.
SIG WAVES...........2 feet or less / less than 1 meter /.

.SUNDAY NIGHT...
WEATHER.............Mostly clear with areas of smoke. mostly clear.
SFC WINDS...........Northeast 5 to 10 knots...becoming east after
                              midnight.
100-FT WINDS........Northeast 10 to 15 knots...becoming east after
                              midnight.
SIG WAVES...........1 to 3 feet / 1 meter or less /.


.FORECAST DAYS 3 THROUGH 5...

.MONDAY...East winds 5 to 10 knots. Waves 1 to 3 feet / 1 meter
or less /.
.TUESDAY...Southeast winds 5 to 10 knots. Waves 2 to 4 feet /
around 1 meter /.
.WEDNESDAY...Southeast winds 5 to 10 knots. Waves 2 to 4 feet /
around 1 meter /.

$$

LMZ761-021500-
MAFOR 0210/
MICHIGAN NORTH 11610 12600 14510 11610. Waves 2 feet or less.

MICHIGAN SOUTH 12100 12800 11710 13800. Waves 2 feet or less.

$$

 

Occasional waves will only be displayed when values meet or exceed 5 feet/2 meters.

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