FZUS61 KMKX 212005
GLFLMT
Experimental Tabular Open Lake Forecast FOR Lake Michigan
National Weather Service Milwaukee/Sullivan WI
305 PM CDT Wed May 21 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...
LMZ261-362-364-366-563-565-567-868-220300-
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 PM CDT Wed May 21 2025
.TONIGHT...
WEATHER.............Mostly cloudy with chance of showers. mostly
cloudy.
SFC WINDS...........North 15 to 20 knots.
100-FT WINDS........North 20 to 25 knots.
SIG WAVES...........4 to 6 feet / 1-2 meters /...subsiding to 3 to
5 feet / 1-2 meters / in the late evening and
overnight.
OCNL WAVES..........Around 8 feet / 2 meters / early in the
evening.
.THURSDAY...
WEATHER.............Partly sunny.
SFC WINDS...........North 15 to 20 knots.
100-FT WINDS........North 20 to 25 knots.
SIG WAVES...........4 to 6 feet / 1-2 meters /.
OCNL WAVES..........Around 8 feet / 2 meters /.
.THURSDAY NIGHT...
WEATHER.............Mostly cloudy. mostly cloudy in the late
evening and overnight.
SFC WINDS...........Northwest 15 to 20 knots.
100-FT WINDS........Northwest 20 to 25 knots.
SIG WAVES...........3 to 5 feet / 1-2 meters /.
OCNL WAVES..........Around 6 feet / 2 meters /.
.FRIDAY...
WEATHER.............Partly sunny.
SFC WINDS...........Northwest 15 to 20 knots.
100-FT WINDS........Northwest 20 to 25 knots.
SIG WAVES...........2 to 4 feet / around 1 meter /.
.FRIDAY NIGHT...
WEATHER.............Partly cloudy.
SFC WINDS...........Northwest 5 to 10 knots.
100-FT WINDS........Northwest 10 to 15 knots.
SIG WAVES...........2 to 4 feet / around 1 meter /.
OCNL WAVES..........Around 5 feet / 2 meters /.
.FORECAST DAYS 3 THROUGH 5...
.SATURDAY...North winds 5 to 10 knots. Waves 2 to 4 feet / around
1 meter /.
.SUNDAY...North winds 5 to 10 knots. Waves 2 to 4 feet / around
1 meter /.
.MONDAY...North winds 10 to 15 knots. Waves 2 to 4 feet / around
1 meter /.
$$
LMZ080-669-671-673-675-777-779-870-872-874-876-878-220300-
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 PM CDT Wed May 21 2025
.TONIGHT...
WEATHER.............Showers, then showers likely in the late
evening and early morning. cloudy with chance
of showers.
SFC WINDS...........North 15 to 20 knots.
100-FT WINDS........North 20 to 25 knots.
SIG WAVES...........4 to 6 feet / 1-2 meters /.
OCNL WAVES..........Around 8 feet / 2 meters /.
.THURSDAY...
WEATHER.............Mostly cloudy with chance of showers. partly
sunny. partly sunny with a slight chance of
showers.
SFC WINDS...........North 20 to 25 knots.
100-FT WINDS........North to 30 knots.
SIG WAVES...........5 to 7 feet / around 2 meters /...building to 6
to 9 feet / 2-3 meters / early in the
afternoon.
OCNL WAVES..........Around 11 feet / 3 meters /...building to
around 9 feet / 3 meters / early in the
afternoon.
.THURSDAY NIGHT...
WEATHER.............Partly cloudy.
SFC WINDS...........Northwest 15 to 20 knots.
100-FT WINDS........Northwest 20 to 25 knots.
SIG WAVES...........5 to 7 feet / around 2 meters /...subsiding to
3 to 5 feet / 1-2 meters / after midnight.
OCNL WAVES..........Around 9 feet / 3 meters / until early morning.
.FRIDAY...
WEATHER.............Mostly sunny.
SFC WINDS...........North 10 to 15 knots.
100-FT WINDS........North 15 to 20 knots.
SIG WAVES...........4 to 6 feet / 1-2 meters /.
OCNL WAVES..........Around 8 feet / 2 meters /.
.FRIDAY NIGHT...
WEATHER.............Partly cloudy.
SFC WINDS...........North 5 to 10 knots.
100-FT WINDS........North 10 to 15 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...
.SATURDAY...North winds 5 to 10 knots. Waves 2 to 4 feet / around
1 meter /.
.SUNDAY...North winds 5 to 10 knots. Waves 2 to 4 feet / around
1 meter /.
.MONDAY...North winds 10 to 15 knots. Waves 2 to 4 feet / around
1 meter /.
$$
LMZ761-220300-
MAFOR 2122/
MICHIGAN NORTH 11130 12820 13830 12840. A chance of showers this
evening. Waves 3 to 5 feet subsiding to 1 to 3 feet tonight.
Waves 2 to 4 feet building to 3 to 5 feet Thursday.
MICHIGAN SOUTH 11836 12826 13830 12840. Waves 3 to 5 feet
subsiding to 2 to 4 feet tonight. Waves 3 to 6 feet building to 4
to 7 feet Thursday.
$$
Occasional waves will only be displayed when values meet or exceed 5 feet/2 meters.
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