906
FZUS63 KMKX 241348
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
848 AM CDT Mon Mar 24 2025

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 continues east from Lake Huron this
morning, with westerly gales over the southern two thirds of Lake
Michigan continuing until around 1 PM this afternoon. Modest
northwest winds then continue into tonight, gradually decelerating
as broad high pressure of 30.3 inches builds into Alberta Canada and
the Rocky Mountains.

Light northwest winds continue into Tuesday, becoming light and
variable Tuesday evening as high pressure builds eastward. Winds
remain light and variable into Wednesday as the high crosses the
Middle Mississippi River Valley.

LMZ261-362-364-563-242130-
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 Rock Island Passage to Sturgeon Bay WI-
848 AM CDT Mon Mar 24 2025

STURGEON BAY WI TO POINT BETSIE MI NORTH...

.REST OF TODAY...Northwest winds to 30 kt. Snow with a chance of
rain through mid morning, then chance of snow and rain this
afternoon. Waves 5 to 8 ft occasionally to 10 ft subsiding to
4 to 6 ft occasionally to 8 ft.
.TONIGHT...Northwest winds to 30 kt diminishing to 15 to 25 kt.
Chance of snow. Waves 4 to 6 ft occasionally to 8 ft.
.TUESDAY...Northwest winds 10 to 20 kt. Chance of snow in the
morning. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.TUESDAY NIGHT...North winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 1 to 3 ft.
.WEDNESDAY...Northwest winds 10 to 15 kt becoming southwest.
Waves 1 to 2 ft.
.WEDNESDAY NIGHT...Southwest winds 10 to 20 kt increasing to
15 to 25 kt. Waves 1 to 3 ft.
.THURSDAY...West winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 2 to 4 ft.
.FRIDAY...East winds 10 to 20 kt. Chance of rain. Waves 2 to
4 ft.

$$

LMZ080-366-565-567-669-671-673-675-777-779-868-870-872-874-876-
878-242130-
Lake Michigan from Michigan City IN to St. Joseph MI 5 NM
offshore to Mid Lake-
Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to
Mid Lake-
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 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 Pentwater to Manistee MI 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-
848 AM CDT Mon Mar 24 2025

STURGEON BAY WI TO POINT BETSIE MI SOUTH...

...GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

.REST OF TODAY...West gales to 35 kt diminishing to 30 kt. Chance
of rain and snow through mid morning. Waves 10 to 14 ft
occasionally to 18 ft subsiding to 7 to 10 ft occasionally to
13 ft.
.TONIGHT...Northwest winds to 30 kt diminishing to 10 to 20 kt.
Waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft.
.TUESDAY...Northwest winds 10 to 20 kt becoming north 10 to
15 kt. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.TUESDAY NIGHT...North winds 10 to 15 kt becoming northwest 5 to
10 kt. Waves 1 to 3 ft subsiding to 1 to 2 ft.
.WEDNESDAY...Northwest winds 5 to 10 kt backing to southwest
10 to 15 kt. Waves 1 to 2 ft.
.WEDNESDAY NIGHT...South winds 10 to 15 kt becoming southwest
10 to 20 kt. Waves 1 to 3 ft.
.THURSDAY...Southwest winds 10 to 20 kt. Waves 2 to 4 ft.
.FRIDAY...Southeast winds 10 to 20 kt. Chance of rain. Waves 3 to
5 ft.

$$

LMZ761-242130-
MAFOR 2416/
MICHIGAN NORTH...GALE WARNING IN EFFECT...11757 13740 12730
12720. A chance of snow and rain today. A chance of snow tonight
and Tuesday morning. Waves 7 to 10 feet subsiding to 5 to 8 feet
this afternoon. Waves 4 to 7 feet subsiding to 3 to 5 feet
tonight. Waves 3 to 5 feet subsiding to 2 to 4 feet Tuesday
morning.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...11657 11640 11740 11730
13720 11710. Light rain and snow this morning. Waves 8 to 12 feet
subsiding to 7 to 10 feet this afternoon. Waves 4 to 7 feet
subsiding to 2 to 4 feet tonight. Waves 1 to 3 feet Tuesday
morning.

$$


Sheppard

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

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