017
FZUS63 KMKX 020257
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
857 PM CST Sun Feb 1 2026

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...

Southwest breezes continue through late tonight, shifting to
northwesterly behind a cold front early Monday morning. Light to
moderate northwest winds are then expected to continue until late
in the work week when low pressure of 29.6 inches approaches.
Southwest winds will return for Thursday ahead of this low,
before north northwest winds return on Friday behind its cold
front. Gales and moderate freezing spray may occur behind the cold
front.

LMZ261-362-364-366-563-565-567-868-021015-
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-
857 PM CST Sun Feb 1 2026

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...Southwest winds 15 to 25 kt diminishing to
10 to 20 kt. Chance of snow through early evening, then snow and
slight chance of light freezing drizzle overnight. Waves 4 to
7 ft occasionally to 9 ft.
.MONDAY...West winds 10 to 15 kt becoming northwest 10 to 20 kt.
Chance of snow and slight chance of light freezing drizzle in the
morning. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.MONDAY NIGHT...Northwest winds 10 to 20 kt. Waves 3 to 5 ft.
.TUESDAY...North winds 10 to 20 kt diminishing to 10 to 15 kt.
Waves 3 to 5 ft.
.TUESDAY NIGHT...North winds 10 to 15 kt becoming northwest 5 to
10 kt. Waves 2 to 4 ft.
.WEDNESDAY...Northwest winds 5 to 10 kt becoming west. Waves 1 to
2 ft.
.WEDNESDAY NIGHT...Northwest winds 5 to 10 kt becoming west 10 to
15 kt. Waves 1 to 2 ft.
.THURSDAY...Southwest winds 10 to 20 kt increasing to 15 to
25 kt. Chance of snow. Waves 2 to 4 ft building to 4 to 6 ft
occasionally to 8 ft.
.FRIDAY...North winds to 30 kt. Freezing spray. Waves 7 to 10 ft
occasionally to 13 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-021015-
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-
857 PM CST Sun Feb 1 2026

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...Southwest winds 15 to 25 kt diminishing to
10 to 20 kt. Chance of snow through early evening, then snow with
a chance of light freezing drizzle overnight. Waves 4 to 7 ft
occasionally to 9 ft.
.MONDAY...West winds 10 to 20 kt becoming northwest. Chance of
snow in the morning. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.MONDAY NIGHT...Northwest winds 10 to 20 kt. Waves 3 to 5 ft.
.TUESDAY...North winds 10 to 15 kt. Waves 3 to 5 ft.
.TUESDAY NIGHT...North winds 10 to 15 kt diminishing to 5 to
10 kt. Waves 2 to 4 ft.
.WEDNESDAY...Northwest winds 5 to 10 kt becoming west 10 to
15 kt. Waves 1 to 3 ft.
.WEDNESDAY NIGHT...Northwest winds 10 to 15 kt. Waves 1 to 3 ft.
.THURSDAY...Southwest winds 10 to 20 kt increasing to 15 to
25 kt. Waves 2 to 4 ft building to 4 to 6 ft occasionally to
8 ft.
.FRIDAY...Northwest gales to 35 kt becoming north. Freezing
spray. Chance of snow. Waves 8 to 12 ft occasionally to 16 ft.

$$

LMZ761-021015-
MAFOR 0205/
MICHIGAN NORTH 11537 11527 12610 14720. Waves 3 to 6 feet
overnight. Waves 2 to 4 feet subsiding to 1 to 3 feet Monday.
Waves 1 to 3 feet Monday evening.

MICHIGAN SOUTH 12527 11620 12610 13710. A chance of light
freezing drizzle overnight. Waves 3 to 6 feet overnight. Waves 3
to 5 feet subsiding to 1 to 3 feet Monday. Waves 1 to 3 feet
Monday 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