508
FZUS63 KMKX 081451
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
851 AM CST Wed Jan 8 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...

Breezy northwest winds are expected today, between high pressure
around 30.7 inches over the southern Plains, and low pressure
around 28.9 inches over the Gulf of Saint Lawrence. Winds will
become lighter tonight, with southerly winds then increasing on
Thursday ahead of an approaching wind shift boundary. Winds will
remain breezy Thursday night into Saturday, eventually becoming
west to northwest later Friday into Friday night as the wind shift
boundary moves through.

LMZ261-362-364-366-563-565-567-868-082230-
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 AM CST Wed Jan 8 2025

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...North winds 10 to 15 kt becoming northwest.
Slight chance of snow. Waves 2 to 4 ft.
.TONIGHT...Northwest winds 5 to 10 kt backing to southwest.
Slight chance of snow. Waves 1 to 3 ft subsiding to 1 to 2 ft.
.THURSDAY...Southwest winds 10 to 15 kt becoming south 15 to
25 kt. Waves 1 to 2 ft building to 4 to 6 ft occasionally to
8 ft.
.THURSDAY NIGHT...South winds 15 to 25 kt becoming southwest
10 to 20 kt. Waves 4 to 7 ft occasionally to 9 ft.
.FRIDAY...Southwest winds 10 to 20 kt becoming west. Chance of
snow. Waves 3 to 5 ft.
.FRIDAY NIGHT...West winds 10 to 15 kt becoming northwest 10 to
20 kt. Waves 2 to 4 ft.
.SATURDAY...Northwest winds 10 to 20 kt. Waves 2 to 4 ft.
.SUNDAY...West winds 10 to 15 kt becoming southwest. Chance of
snow. Waves 1 to 3 ft building to 2 to 4 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-082230-
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 AM CST Wed Jan 8 2025

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Northwest winds 10 to 15 kt increasing to 10 to
20 kt. Chance of snow. Waves 3 to 5 ft.
.TONIGHT...Northwest winds 10 to 15 kt becoming west 5 to 10 kt.
Chance of snow in the evening, then slight chance of snow
overnight. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.THURSDAY...Southwest winds 10 to 15 kt becoming south 15 to
25 kt. Waves 1 to 3 ft building to 4 to 6 ft occasionally to
8 ft.
.THURSDAY NIGHT...Southwest winds 15 to 25 kt diminishing to
10 to 20 kt. Waves 4 to 7 ft occasionally to 9 ft.
.FRIDAY...Southwest winds 10 to 20 kt becoming west. Snow likely
in the morning, then chance of snow in the afternoon. Waves 4 to
6 ft occasionally to 8 ft.
.FRIDAY NIGHT...West winds 10 to 20 kt becoming northwest. Chance
of snow. Waves 3 to 5 ft.
.SATURDAY...Northwest winds 10 to 20 kt. Waves 3 to 5 ft.
.SUNDAY...Southwest winds 10 to 20 kt becoming south. Chance of
snow. Waves 2 to 4 ft.

$$

LMZ761-082230-
MAFOR 0817/
MICHIGAN NORTH 13710 11700 11600 11500 11510 11410. A chance of
snow late this morning. Waves 1 to 3 feet subsiding to 1 foot or
less this afternoon and tonight. Waves 2 feet or less Thursday
morning.

MICHIGAN SOUTH 11710 11720 12710 12600 12510. A chance of snow
this afternoon and evening. Waves 2 to 4 feet this afternoon.
Waves 2 to 4 feet subsiding to 1 to 3 feet tonight. Waves 1 to 2
feet Thursday morning.

$$
Wood

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

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