Station List

National Weather Service Marine Forecast FZUS63 KMKX

FZUS63 KMKX 011427
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
827 AM CST Sun Mar 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

Modest north to northeast winds today will become light and variable later today into tonight, as high pressure around 30.6 inches moves east across the Great Lakes region. Breezy south to southeast winds will then develop on Monday, in response to the high shifting well to the east and low pressure around 29.6 inches moving east across far northern Ontario. Winds will shift to the east to northeast on Tuesday, north of a warm front developing from the central Plains into central Indiana. The east to northeast winds should linger later into the week.

LMZ261-362-364-366-563-565-567-868-012215
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
827 AM CST Sun Mar 1 2026

SHEBOYGAN WI TO PENTWATER MI NORTH...

REST OF TODAY
North winds 10 to 15 kt becoming northwest 5 to 10 kt. Scattered snow showers through mid morning. Waves 2 to 4 ft subsiding to 1 to 2 ft.

TONIGHT
North winds 5 to 10 kt backing to south. Waves 1 to 2 ft.

MONDAY
South winds 10 to 20 kt increasing to 30 kt. Waves 1 to 3 ft building to 4 to 7 ft occasionally to 9 ft.

MONDAY NIGHT
South winds 15 to 25 kt becoming southwest 10 to 20 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft.

TUESDAY
South winds 5 to 10 kt becoming east. Chance of rain in the morning. Waves 1 to 3 ft.

TUESDAY NIGHT
East winds 5 to 10 kt increasing to 10 to 15 kt. Waves 1 to 2 ft.

WEDNESDAY
East winds 10 to 15 kt. Waves 1 to 2 ft.

THURSDAY
Northeast winds 10 to 15 kt becoming east. Chance of rain. Waves 1 to 3 ft.

LMZ080-669-671-673-675-777-779-870-872-874-876-878-012215
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
827 AM CST Sun Mar 1 2026

SHEBOYGAN WI TO PENTWATER MI SOUTH...

REST OF TODAY
Northeast winds 10 to 20 kt diminishing to 10 to 15 kt. Scattered snow showers through mid morning, mainly towards central and western portions of the lake. Waves 3 to 5 ft subsiding to 2 to 4 ft.

TONIGHT
Northeast winds 10 to 15 kt veering to southeast. Waves 1 to 3 ft.

MONDAY
Southeast winds 10 to 20 kt. Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft.

MONDAY NIGHT
Southeast winds 10 to 20 kt diminishing to 10 to 15 kt. Chance of rain overnight. Waves 3 to 5 ft subsiding to 1 to 3 ft.

TUESDAY
Southeast winds 5 to 10 kt becoming northeast. Rain likely in the morning, then chance of rain in the afternoon. Waves 1 to 2 ft.

TUESDAY NIGHT
Northeast winds 10 to 15 kt increasing to 10 to 20 kt. Chance of rain. Waves 1 to 2 ft.

WEDNESDAY
East winds 10 to 20 kt diminishing to 10 to 15 kt. Chance of rain. Waves 1 to 3 ft.

THURSDAY
Northeast winds 10 to 20 kt becoming east 10 to 15 kt. Chance of rain. Waves 2 to 4 ft.

LMZ761-012215
MAFOR 0117/ MICHIGAN NORTH 11710 11700 11800 12400 12410 11430. Waves 1 to 3 feet this afternoon. Waves 1 foot or less tonight. Waves 1 to 3 feet building to 2 to 4 feet Monday morning.

MICHIGAN SOUTH 11810 12110 11210 11200 12310 11320. Waves 2 to 4 feet subsiding to 1 to 3 feet this afternoon. Waves 1 to 3 feet tonight. Waves 1 to 3 feet building to 2 to 4 feet Monday morning.

Sheppard

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

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