827
FZUS63 KMKX 270259
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
859 PM CST Wed Nov 26 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 of 29.3 inches will continue east into northwestern
Lake Huron this evening. Very strong southwest gusts will continue
across the lake into tonight. Storm force gusts continue over the
southern two thirds of the lake, with high end gales more likely
over the northern third of the lake.

Storm force gusts will then likely ease to high end gales around
midnight tonight, and gales will continue through Thursday and
into Thursday evening to early Friday morning before subsiding
over the lake. Light westerly winds will set up across the Lake
Friday night and turn to southerly by Saturday morning.

LMZ261-362-364-563-271015-
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-
859 PM CST Wed Nov 26 2025

STURGEON BAY WI TO POINT BETSIE MI NORTH...

...GALE WARNING IN EFFECT THROUGH LATE THURSDAY NIGHT...

.REST OF TONIGHT...Northwest gales to 45 kt. Snow with rain
likely through early evening, then snow overnight. Waves 14 to
18 ft occasionally to 23 ft.
.THURSDAY...Northwest gales to 45 kt. Snow. Waves 12 to 16 ft
occasionally to 21 ft subsiding to 8 to 12 ft occasionally to 16
ft.
.THURSDAY NIGHT...Northwest gales to 45 kt diminishing to gales
to 40 kt. Snow in the evening, then chance of snow overnight.
Waves 8 to 12 ft occasionally to 16 ft subsiding to 7 to 10 ft
occasionally to 13 ft.
.FRIDAY...Northwest gales to 35 kt diminishing to 30 kt. Chance
of snow. Waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to
6 ft occasionally to 8 ft.
.FRIDAY NIGHT...Northwest winds 15 to 25 kt diminishing to 10 to
15 kt overnight. Chance of snow in the evening. Waves 2 to 4 ft
subsiding to 1 to 3 ft.
.SATURDAY...Southwest winds 10 to 15 kt backing to southeast
10 to 20 kt. Chance of snow in the morning, then snow in the
afternoon. Waves 1 ft or less building to 3 to 5 ft.
.SATURDAY NIGHT...Southeast winds 10 to 20 kt becoming east.
Snow. Waves 4 to 7 ft occasionally to 9 ft.
.SUNDAY...North winds to 30 kt becoming northwest. Chance of
snow. Waves 4 to 7 ft occasionally to 9 ft.
.MONDAY...West winds 10 to 20 kt. Waves 1 to 3 ft.

$$

LMZ080-366-565-567-669-671-673-675-777-779-868-870-872-874-876-
878-271015-
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-
859 PM CST Wed Nov 26 2025

STURGEON BAY WI TO POINT BETSIE MI SOUTH...

...STORM WARNING IN EFFECT UNTIL MIDNIGHT CST TONIGHT...
...GALE WARNING IN EFFECT FROM MIDNIGHT CST TONIGHT THROUGH
THURSDAY EVENING...

.REST OF TONIGHT...Northwest storm force winds to 50 kt
diminishing to gales to 45 kt. Chance of snow through early
evening, then slight chance of snow overnight. Waves 25 to 30 ft
occasionally to 39 ft subsiding to 18 to 23 ft occasionally to
30 ft.
.THURSDAY...Northwest gales to 40 kt. Chance of flurries in the
morning, then chance of snow in the afternoon. Waves 15 to 20 ft
occasionally to 26 ft subsiding to 14 to 18 ft occasionally to
23 ft.
.THURSDAY NIGHT...Northwest gales to 40 kt diminishing to gales
to 35 kt. Chance of snow. Waves 14 to 18 ft occasionally to
23 ft.
.FRIDAY...Northwest winds to 30 kt diminishing to 15 to 25 kt.
Chance of snow. Waves 10 to 14 ft occasionally to 18 ft subsiding
to 7 to 10 ft occasionally to 13 ft.
.FRIDAY NIGHT...West winds 10 to 15 kt becoming southwest. Chance
of snow overnight. Waves 4 to 6 ft occasionally to 8 ft subsiding
to 1 to 3 ft.
.SATURDAY...South winds 15 to 25 kt becoming southeast to 30 kt.
Snow. Waves 4 to 7 ft occasionally to 9 ft building to 8 to 12 ft
occasionally to 16 ft.
.SATURDAY NIGHT...Southeast winds to 30 kt becoming southwest.
Snow. Waves 10 to 14 ft occasionally to 18 ft subsiding to 8 to
11 ft occasionally to 14 ft.
.SUNDAY...Northwest gales to 35 kt. Snow likely. Waves 10 to
14 ft occasionally to 18 ft.
.MONDAY...West winds 10 to 20 kt. Waves 4 to 6 ft occasionally to
8 ft subsiding to 2 to 4 ft.

$$

&&STORM

&&STORM

LMZ761-271015-
MAFOR 2705/
MICHIGAN NORTH...STORM WARNING IN EFFECT...12767 11777 14767
11767. Waves 14 to 19 feet subsiding to 13 to 17 feet overnight.
Waves 12 to 16 feet subsiding to 10 to 14 feet Thursday. Waves 10
to 13 feet Thursday evening.

MICHIGAN SOUTH...STORM WARNING IN EFFECT...13760 14750 11757.
Waves 19 to 24 feet subsiding to 16 to 21 feet overnight. Waves
15 to 20 feet subsiding to 13 to 18 feet Thursday. Waves 13 to 17
feet Thursday evening.

$$


Sheppard

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

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