536
FZUS63 KMKX 250145
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
845 PM CDT Fri May 24 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 northern Minnesota into far southern Manitoba tonight.
Southeasterly winds across the southern half of the lake and
easterly winds across the northern half will continue into late
tonight before a cold front shifts winds to west northwesterly
late tonight into Saturday morning. High pressure around 29.9
inches will then move across Lake Michigan Saturday 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
tonight and once again Sunday and Sunday night.

LMZ261-362-364-366-563-565-567-868-250915-
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-
845 PM CDT Fri May 24 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...Southeast winds 15 to 25 kt veering to
southwest 10 to 20 kt. Showers likely with a chance of
thunderstorms. Waves 3 to 5 ft.
.SATURDAY...West winds 10 to 20 kt becoming south. Waves 2 to
4 ft subsiding to 1 to 3 ft.
.SATURDAY NIGHT...South winds 10 to 15 kt diminishing to 5 to
10 kt. Waves 1 to 3 ft.
.SUNDAY...Southeast winds 10 to 20 kt becoming east 15 to 25 kt.
Chance of showers in the afternoon. Waves 1 to 3 ft building to
3 to 5 ft.
.SUNDAY NIGHT...Southeast winds to 30 kt veering to southwest
15 to 25 kt. Showers with a chance of thunderstorms. Waves 4 to
6 ft occasionally to 8 ft.
.MONDAY...Northwest winds 15 to 25 kt increasing to 30 kt. Chance
of showers. Waves 4 to 6 ft occasionally to 8 ft.
.MONDAY NIGHT...Northwest winds 15 to 25 kt diminishing to 10 to
20 kt. Chance of showers. Waves 2 to 4 ft.
.TUESDAY...Northwest winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of showers. Waves 2 to 4 ft.
.WEDNESDAY...North winds 10 to 20 kt. Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-250915-
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-
845 PM CDT Fri May 24 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...South winds 10 to 20 kt veering to west.
Showers likely with a chance of thunderstorms through early
evening, then chance of showers and thunderstorms overnight.
Waves 2 to 4 ft.
.SATURDAY...West winds 10 to 20 kt backing to south 10 to 15 kt.
Waves 2 to 4 ft subsiding to 1 to 2 ft.
.SATURDAY NIGHT...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 2 to 4 ft building to 4 to
6 ft occasionally to 8 ft.
.SUNDAY NIGHT...South winds 15 to 25 kt becoming west. Showers in
the evening, then chance of showers and thunderstorms overnight.
Waves 4 to 6 ft occasionally to 8 ft.
.MONDAY...West winds 15 to 25 kt. Chance of showers. Waves 4 to
6 ft occasionally to 8 ft.
.MONDAY NIGHT...West winds 10 to 20 kt. Waves 3 to 5 ft.
.TUESDAY...Northwest winds 10 to 20 kt. Waves 2 to 4 ft.
.WEDNESDAY...North winds 10 to 20 kt. Waves 2 to 4 ft.

$$

LMZ761-250915-
MAFOR 2504/
MICHIGAN NORTH 11346 11420 11520 11620 12520 12410. A chance of
thunderstorms overnight. Waves 2 to 4 feet subsiding to 1 to 3
feet overnight. Waves 1 to 3 feet Saturday and Saturday evening.

MICHIGAN SOUTH 11420 12620 11720 11610 12410 11400. A chance of
showers and thunderstorms overnight. Waves 1 to 3 feet overnight
and Saturday. Waves 2 feet or less Saturday evening.

$$


MH

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

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