312
FZUS63 KMKX 030251
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
851 PM CST Sun Nov 2 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...

Strong low pressure of 29.1 inches will move across southern
Hudson Bay, with southwest to west gales expected to continue
across Lake Michigan. A Gale Warning remains in effect until 6 am
CST Monday.

Areas of rain are expected tonight along a cold front, drying out
by around dawn Monday. Though the center of low pressure will
retreat east- northeastward tomorrow, winds will remain gusty,
with a few westerly gusts to gale force possible. An extension of
the existing Gale Warning or a brand new Gale Warning cannot be
ruled out for this period.

West winds subside Monday night. High pressure will pass just
south of the lake on Tuesday, with light to modest west winds
turning south over time.

LMZ261-362-364-366-563-565-567-868-031015-
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 PM CST Sun Nov 2 2025

SHEBOYGAN WI TO PENTWATER MI NORTH...

...GALE WARNING IN EFFECT UNTIL 6 AM CST MONDAY...

.REST OF TONIGHT...Southwest gales to 45 kt becoming west gales
to 35 kt. Chance of rain. Waves 12 to 16 ft occasionally to
21 ft.
.MONDAY...West winds to 30 kt. Waves 8 to 11 ft occasionally to
14 ft subsiding to 6 to 9 ft occasionally to 12 ft.
.MONDAY NIGHT...West winds to 30 kt. Waves 6 to 9 ft occasionally
to 12 ft subsiding to 4 to 6 ft occasionally to 8 ft.
.TUESDAY...West winds 15 to 25 kt becoming southwest. Waves 3 to
5 ft.
.TUESDAY NIGHT...South winds 10 to 20 kt. Chance of rain
overnight. Waves 4 to 7 ft occasionally to 9 ft.
.WEDNESDAY...North winds 15 to 25 kt becoming northwest to 30 kt.
Chance of rain in the morning. Waves 4 to 6 ft occasionally to
8 ft.
.WEDNESDAY NIGHT...Northwest winds to 30 kt diminishing to 10 to
20 kt. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.THURSDAY...West winds 10 to 20 kt becoming southwest 15 to
25 kt. Waves 1 to 3 ft building to 4 to 6 ft occasionally to
8 ft.
.FRIDAY...Southwest winds to 30 kt veering to northwest. Rain
likely. Waves 10 to 14 ft occasionally to 18 ft subsiding to 7 to
10 ft occasionally to 13 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-031015-
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 PM CST Sun Nov 2 2025

SHEBOYGAN WI TO PENTWATER MI SOUTH...

...GALE WARNING IN EFFECT UNTIL 6 AM CST MONDAY...

.REST OF TONIGHT...Southwest gales to 35 kt. Chance of rain
overnight. Waves 6 to 9 ft occasionally to 12 ft building to 8 to
12 ft occasionally to 16 ft.
.MONDAY...West winds to 30 kt. Waves 8 to 12 ft occasionally to
16 ft subsiding to 8 to 11 ft occasionally to 14 ft.
.MONDAY NIGHT...West winds to 30 kt diminishing to 10 to 20 kt.
Waves 8 to 11 ft occasionally to 14 ft subsiding to 6 to 9 ft
occasionally to 12 ft.
.TUESDAY...Southwest winds 10 to 20 kt becoming south. Waves 3 to
5 ft.
.TUESDAY NIGHT...South winds 15 to 25 kt becoming southwest.
Waves 5 to 8 ft occasionally to 10 ft.
.WEDNESDAY...West winds to 30 kt becoming northwest. Waves 7 to
10 ft occasionally to 13 ft.
.WEDNESDAY NIGHT...Northwest winds 15 to 25 kt diminishing to
10 to 20 kt. Waves 6 to 9 ft occasionally to 12 ft subsiding to
4 to 6 ft occasionally to 8 ft.
.THURSDAY...South winds 10 to 15 kt increasing to 15 to 25 kt.
Waves 2 to 4 ft building to 4 to 7 ft occasionally to 9 ft.
.FRIDAY...Southwest winds to 30 kt becoming west. Chance of rain.
Waves 10 to 14 ft occasionally to 18 ft subsiding to 8 to 11 ft
occasionally to 14 ft.

$$

LMZ761-031015-
MAFOR 0305/
MICHIGAN NORTH...GALE WARNING IN EFFECT...11566 12650 14640
11640. Waves 12 to 16 feet subsiding to 10 to 14 feet overnight.
Waves 6 to 10 feet Monday. Waves 5 to 8 feet Monday evening.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...12550 15640. A chance
of rain overnight. Waves 8 to 12 feet overnight. Waves 7 to 11
feet Monday and Monday evening.

$$


DDV

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

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