A series of Pacific fronts will bring periodic waves of showers and thunderstorms to parts of the Great Basin and Pacific Northwest the next few days. Swells, high surf, dangerous rip currents and areas of coastal flooding continue along much of the East Coast from both Humberto and Imelda. Unseasonably hot temperatures continue for much of the Plains and Midwest through the remainder of the week. 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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