National Weather Service Marine Forecast FZUS63 KMKX

FZUS63 KMKX 271351
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
851 AM CDT Wed Sep 27 2023

FOR WATERS BEYOND FIVE NAUTICAL MILES OF SHORE ON Lake Michigan.

Waves are provided as a range of significant wave heights, which is the average of the highest 1/3 of the wave, along with the average height of the highest 10% of the waves which will occasionally be encountered.

SYNOPSIS

Weak low pressure will move from northern Illinois into northern Indiana through tonight. Scattered showers and a few thunderstorms are expected today into this evening. In addition, there is a risk of a few waterspouts. East winds will be breezy into this evening, with gusts up to 25 knots, with building waves near 6 feet. Winds and waves will decrease Wednesday night into Thursday, continuing through the weekend. Dry weather is expected to accompany the lighter winds.

LMZ261-362-364-366-563-565-567-868-272115
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
851 AM CDT Wed Sep 27 2023

SHEBOYGAN WI TO PENTWATER MI NORTH...

REST OF TODAY
East winds 10 to 20 kt increasing to 15 to 25 kt. Scattered showers through mid morning, then isolated showers this afternoon. Waves 3 to 5 ft.

TONIGHT
East winds 15 to 25 kt diminishing to 10 to 15 kt. Slight chance of showers in the evening. Waves 3 to 5 ft subsiding to 2 to 4 ft.

THURSDAY
East winds 10 to 15 kt becoming northeast 10 to 20 kt. Waves 2 to 4 ft.

THURSDAY NIGHT
East winds 10 to 20 kt becoming southeast 5 to 10 kt overnight. Waves 2 to 4 ft subsiding to 1 to 2 ft.

FRIDAY
Southeast winds 10 to 15 kt becoming south. Waves 1 to 3 ft.

FRIDAY NIGHT
Southeast winds 10 to 15 kt becoming south. Waves 1 to 3 ft.

SATURDAY
South winds 10 to 20 kt. Waves 1 to 3 ft.

SUNDAY
South winds 10 to 15 kt increasing to 10 to 20 kt. Waves 1 to 3 ft.

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LMZ080-669-671-673-675-777-779-870-872-874-876-878-272115
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
851 AM CDT Wed Sep 27 2023

SHEBOYGAN WI TO PENTWATER MI SOUTH...

REST OF TODAY
East winds 10 to 20 kt. Chance of waterspouts. Scattered showers with isolated thunderstorms through mid morning, then scattered showers and slight chance of thunderstorms this afternoon. Waves 4 to 6 ft occasionally to 8 ft.

TONIGHT
East winds 10 to 20 kt. Chance of showers and thunderstorms in the evening, then slight chance of showers and thunderstorms overnight. Waves 3 to 5 ft.

THURSDAY
East winds 10 to 20 kt becoming northeast 10 to 15 kt. Waves 2 to 4 ft.

THURSDAY NIGHT
East winds 10 to 15 kt. Waves 1 to 3 ft.

FRIDAY
Southeast winds 10 to 15 kt. Waves 1 to 3 ft.

FRIDAY NIGHT
Southeast winds 10 to 15 kt. Waves 1 to 3 ft.

SATURDAY
South winds 10 to 20 kt becoming southeast. Waves 1 to 3 ft.

SUNDAY
South winds 10 to 15 kt. Waves 1 to 3 ft.

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LMZ761-272115
MAFOR 2716/ MICHIGAN NORTH 13230 12220 13210. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft this afternoon. Waves 3 to 5 ft subsiding to 2 to 4 ft tonight. Waves 2 to 4 ft Thursday morning.

MICHIGAN SOUTH 13220 19226 14220 11210. A chance of waterspouts this afternoon. Waves 4 to 6 ft occasionally to 8 ft this afternoon. Waves 3 to 5 ft tonight. Waves 3 to 5 ft subsiding to 2 to 4 ft Thursday morning.

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Patterson

Experimental modernized open lake forecast is available online at weather.gov/mkx/glftable

Graphical marine forecasts are available online at: weather.gov/greatlakes