Great Lakes Forecast
Issued by NWS

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691
FZUS63 KMKX 250809
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
309 AM CDT Sat May 25 2024

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...

Low pressure around 29.4 inches will continue to slowly lift
through far southeast Manitoba/southwest Ontario today.
Winds will shift more westerly behind the front this morning.
High pressure around 29.9 inches will then move across Lake
Michigan this afternoon and evening, bringing light southerly
winds, before another low pressure area around 29.4 inches
approaches from the west and moves across either central or
northern Lake Michigan Sunday night. Expect southeasterly winds to
increase as this low approaches.

Numerous showers and thunderstorms will move across the lake
again Sunday and Sunday night.

LMZ261-362-364-366-563-565-567-868-251530-
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-
309 AM CDT Sat May 25 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...West winds 10 to 20 kt becoming south. Waves 2 to 4 ft
subsiding to 1 to 3 ft.
.TONIGHT...South winds 10 to 20 kt diminishing to 10 to 15 kt.
Waves 1 to 3 ft.
.SUNDAY...Southeast winds 10 to 15 kt increasing to 10 to 20 kt
late in the morning, then becoming east early in the afternoon
increasing to 15 to 25 kt late. Chance of showers and
thunderstorms in the afternoon. Waves 2 to 4 ft.
.SUNDAY NIGHT...Southeast winds to 30 kt backing to north.
Showers with a chance of thunderstorms. Waves 3 to 5 ft.
.MONDAY...Northwest winds 15 to 25 kt diminishing to 10 to 20 kt.
Chance of showers. Waves 3 to 5 ft.
.MONDAY NIGHT...Northwest winds 15 to 25 kt. Chance of showers.
Waves 2 to 4 ft.
.TUESDAY...Northwest winds 15 to 25 kt. Chance of showers. Waves
2 to 4 ft.
.WEDNESDAY...Northwest winds 10 to 20 kt becoming north. Waves
2 to 4 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-251530-
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-
309 AM CDT Sat May 25 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...Northwest winds 10 to 20 kt backing to south 10 to
15 kt. Waves 2 to 4 ft subsiding to 1 to 2 ft.
.TONIGHT...South winds 10 to 15 kt becoming southeast. Waves 1 to
2 ft.
.SUNDAY...Southeast winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of showers in the morning, then showers with a chance of
thunderstorms in the afternoon. Waves 1 to 3 ft building to 3 to
5 ft.
.SUNDAY NIGHT...South winds 15 to 25 kt veering to west. Showers
with a chance of thunderstorms in the evening, then chance of
showers and thunderstorms overnight. Waves 3 to 5 ft.
.MONDAY...West winds 15 to 25 kt diminishing to 10 to 20 kt.
Chance of showers in the morning. Waves 4 to 6 ft occasionally to
8 ft.
.MONDAY NIGHT...West winds 10 to 20 kt. Chance of showers. Waves
3 to 5 ft.
.TUESDAY...West winds 10 to 20 kt becoming northwest. Waves 2 to
4 ft.
.WEDNESDAY...Northwest winds 10 to 20 kt becoming north. Waves
3 to 5 ft.

$$

LMZ761-251530-
MAFOR 2510/
MICHIGAN NORTH 12620 11520 14420 11410. Waves 2 to 4 feet
subsiding to 1 to 3 feet today. Waves 2 feet or less tonight.

MICHIGAN SOUTH 11620 11720 11610 13410 12310. Waves 1 to 3 feet
today. Waves 1 foot or less tonight.

$$


Kuroski

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

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