Great Lakes Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28
219
FZUS63 KMKX 120251
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
851 PM CST Tue Nov 11 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...

Winds continue to ease below gales this evening, but brisk west
to northwest winds with gusts to around 25-30 knots will then
prevail overnight through Wednesday. The winds may briefly
approach gales again during the day Wednesday, but are
anticipated to remain below criteria. Much lighter winds are then
expected Wednesday night through Thursday as high pressure around
30.2 inches approaches from the west.

LMZ261-362-364-366-563-565-121015-
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-
851 PM CST Tue Nov 11 2025

TWO RIVERS WI TO MANISTEE MI NORTH...

.REST OF TONIGHT...West winds 15 to 25 kt increasing to 30 kt.
Chance of rain. Waves 6 to 9 ft occasionally to 12 ft.
.WEDNESDAY...Northwest winds to 30 kt. Slight chance of rain in
the morning, then chance of rain in the afternoon. Waves 5 to
8 ft occasionally to 10 ft subsiding to 4 to 7 ft occasionally to
9 ft.
.WEDNESDAY NIGHT...Northwest gales to 35 kt diminishing to 30 kt.
Chance of rain in the evening. Waves 5 to 8 ft occasionally to
10 ft subsiding to 4 to 6 ft occasionally to 8 ft.
.THURSDAY...West winds 15 to 25 kt. Waves 3 to 5 ft.
.THURSDAY NIGHT...West winds 10 to 20 kt becoming northwest 10 to
15 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.FRIDAY...East winds 10 to 15 kt becoming southeast 10 to 20 kt.
Waves 1 to 3 ft.
.FRIDAY NIGHT...Southeast winds 10 to 20 kt increasing to 15 to
25 kt. Waves 3 to 5 ft building to 5 to 8 ft occasionally to
10 ft.
.SATURDAY...South winds 15 to 25 kt increasing to 30 kt. Chance
of rain. Waves 6 to 9 ft occasionally to 12 ft.
.SUNDAY...Northwest winds to 30 kt. Chance of rain. Waves 4 to
7 ft occasionally to 9 ft.

$$

LMZ567-868-121015-
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 Tue Nov 11 2025

TWO RIVERS WI TO MANISTEE MI SOUTH TO SHEBOYGAN WI TO PENTWATER
MI...

...GALE WARNING IN EFFECT UNTIL 9 PM CST THIS EVENING...

.REST OF TONIGHT...West winds to 30 kt. Slight chance of rain.
Waves 6 to 9 ft occasionally to 12 ft.
.WEDNESDAY...Northwest winds to 30 kt. Slight chance of rain in
the morning. Waves 6 to 9 ft occasionally to 12 ft.
.WEDNESDAY NIGHT...Northwest winds to 30 kt diminishing to 15 to
25 kt. Waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to
7 ft occasionally to 9 ft.
.THURSDAY...West winds 10 to 20 kt. Waves 4 to 6 ft occasionally
to 8 ft subsiding to 2 to 4 ft.
.THURSDAY NIGHT...West winds 10 to 20 kt becoming north 5 to
10 kt overnight. Waves 1 to 3 ft.
.FRIDAY...East winds 10 to 15 kt becoming southeast. Waves 1 to
3 ft.
.FRIDAY NIGHT...Southeast winds 10 to 20 kt increasing to 15 to
25 kt. Waves 3 to 5 ft building to 5 to 8 ft occasionally to
10 ft.
.SATURDAY...South winds to 30 kt. Chance of rain. Waves 7 to
10 ft occasionally to 13 ft.
.SUNDAY...Northwest winds to 30 kt. Waves 6 to 9 ft occasionally
to 12 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-121015-
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 Tue Nov 11 2025

SHEBOYGAN WI TO PENTWATER MI SOUTH...

...GALE WARNING IN EFFECT UNTIL 9 PM CST THIS EVENING...

.REST OF TONIGHT...West winds to 30 kt. Waves 8 to 11 ft
occasionally to 14 ft subsiding to 7 to 10 ft occasionally to
13 ft.
.WEDNESDAY...West winds to 30 kt. Waves 8 to 11 ft occasionally
to 14 ft.
.WEDNESDAY NIGHT...Northwest gales to 35 kt diminishing to 15 to
25 kt. Waves 10 to 14 ft occasionally to 18 ft subsiding to 7 to
10 ft occasionally to 13 ft.
.THURSDAY...West winds 10 to 20 kt. Waves 5 to 8 ft occasionally
to 10 ft subsiding to 3 to 5 ft.
.THURSDAY NIGHT...Southwest winds 10 to 20 kt diminishing to
10 to 15 kt. Waves 2 to 4 ft.
.FRIDAY...Southeast winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft building to 2 to 4 ft.
.FRIDAY NIGHT...Southeast winds 10 to 20 kt increasing to 15 to
25 kt. Waves 4 to 6 ft occasionally to 8 ft building to 5 to 8 ft
occasionally to 10 ft.
.SATURDAY...South winds to 30 kt. Chance of rain. Waves 7 to
10 ft occasionally to 13 ft.
.SUNDAY...Northwest winds to 30 kt. Waves 10 to 14 ft
occasionally to 18 ft.

$$

LMZ761-121015-
MAFOR 1205/
MICHIGAN NORTH 12640 14740 11750 11740. A chance of rain. Waves 5
to 8 feet.

MICHIGAN SOUTH 13640 12740 11640 11650 11740. Waves 6 to 10 feet
overnight. Waves 7 to 11 feet Wednesday. Waves 9 to 12 feet
Wednesday evening.

$$


Wagner

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

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