A cold front will cross the Great Lakes and Northeast U.S. through Monday with gusty winds and areas of rain showers. A strong atmospheric river is expected to move into the Pacific Northwest by midweek bringing a threat for moderate to heavy rainfall, gusty winds, and mountain snows for parts of Washington, Oregon, northern California, and the Sierra Nevada. Read More >
FZUS61 KMKX 011405
GLFLMT
Experimental Tabular Open Lake Forecast FOR Lake Michigan
National Weather Service Milwaukee/Sullivan WI
905 AM CDT Wed Oct 1 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...
LMZ261-362-364-366-563-565-567-868-012100-
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-
905 AM CDT Wed Oct 1 2025
.REST OF TODAY...
WEATHER.............Partly sunny.
SFC WINDS...........East 10 to 15 knots.
100-FT WINDS........East 15 to 20 knots.
SIG WAVES...........2 to 4 feet / around 1 meter /.
OCNL WAVES..........Around 5 feet / 2 meters /.
.TONIGHT...
WEATHER.............Mostly cloudy.
SFC WINDS...........East 5 to 10 knots...increasing to southeast 15
to 20 knots in the late evening and overnight.
100-FT WINDS........East 10 to 15 knots...increasing to southeast
20 to 25 knots in the late evening and
overnight.
SIG WAVES...........2 to 4 feet / around 1 meter /...building to 4
to 6 feet / 1-2 meters /.
OCNL WAVES..........Around 8 feet / 2 meters /...building to around
5 feet / 2 meters /.
.THURSDAY...
WEATHER.............Mostly sunny.
SFC WINDS...........South 15 to 20 knots.
100-FT WINDS........South 20 to 25 knots.
SIG WAVES...........4 to 6 feet / 1-2 meters /.
OCNL WAVES..........Around 8 feet / 2 meters /.
.THURSDAY NIGHT...
WEATHER.............Mostly clear.
SFC WINDS...........South 10 to 15 knots.
100-FT WINDS........South 15 to 20 knots.
SIG WAVES...........3 to 5 feet / 1-2 meters /...subsiding to 2 to
4 feet / around 1 meter / after midnight.
OCNL WAVES..........Around 6 feet / 2 meters / until early morning.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...South winds 10 to 15 knots. Waves 2 to 4 feet / around
1 meter /.
.SATURDAY...South winds 15 to 20 knots. Waves 4 to 6 feet /
1-2 meters /.
.SUNDAY...Breezy. Chance of showers after midnight. South winds
20 to 25 knots. Waves 6 to 9 feet / 2-3 meters /.
$$
LMZ080-669-671-673-675-777-779-870-872-874-876-878-012100-
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-
905 AM CDT Wed Oct 1 2025
.REST OF TODAY...
WEATHER.............Partly sunny.
SFC WINDS...........East 15 to 20 knots.
100-FT WINDS........East 20 to 25 knots.
SIG WAVES...........3 to 5 feet / 1-2 meters /.
OCNL WAVES..........Around 6 feet / 2 meters /.
.TONIGHT...
WEATHER.............Mostly cloudy.
SFC WINDS...........Southeast 15 to 20 knots.
100-FT WINDS........Southeast 20 to 25 knots.
SIG WAVES...........2 to 4 feet / around 1 meter /...building to 4
to 6 feet / 1-2 meters / in the late evening
and overnight.
OCNL WAVES..........Around 8 feet / 2 meters /...building to around
5 feet / 2 meters / in the late evening and
overnight.
.THURSDAY...
WEATHER.............Mostly sunny.
SFC WINDS...........Southeast 15 to 20 knots.
100-FT WINDS........Southeast 20 to 25 knots.
SIG WAVES...........4 to 6 feet / 1-2 meters /.
OCNL WAVES..........Around 8 feet / 2 meters /.
.THURSDAY NIGHT...
WEATHER.............Mostly clear.
SFC WINDS...........South 10 to 15 knots.
100-FT WINDS........South 15 to 20 knots.
SIG WAVES...........3 to 5 feet / 1-2 meters /...subsiding to 2 to
4 feet / around 1 meter / in the late evening
and overnight.
OCNL WAVES..........Around 6 feet / 2 meters / early in the
evening.
.FORECAST DAYS 3 THROUGH 5...
.FRIDAY...South winds 10 to 15 knots. Waves 2 to 4 feet / around
1 meter /.
.SATURDAY...South winds 15 to 20 knots. Waves 4 to 6 feet /
1-2 meters /.
.SUNDAY...Breezy. Chance of showers after midnight. South winds
20 to 25 knots. Waves 6 to 9 feet / 2-3 meters /.
$$
LMZ761-012100-
MAFOR 0116/
MICHIGAN NORTH 11320 12220 12320 13420. Waves 1 to 3 feet this
afternoon. Waves 1 to 3 feet building to 3 to 5 feet tonight.
Waves 3 to 5 feet Thursday morning.
MICHIGAN SOUTH 13210 11220 11330 13320. Waves 2 to 4 feet
subsiding to 1 to 3 feet this afternoon. Waves 2 feet or less
building to 3 to 5 feet tonight. Waves 3 to 5 feet Thursday
morning.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet/2 meters.
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