Great Lakes Forecast
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489
FZUS63 KMKX 021942
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
242 PM CDT Tue Jun 2 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...

High pressure around 30.4 inches will settle over Lake Michigan
this afternoon then move to Lower Michigan by Wednesday morning.
Expect light to modest north to northeasterly flow over central
and southern Lake Michigan this afternoon into this evening, but
with light westerly winds developing over the northern one third
of the lake. Southerly winds will then return to all of Lake
Michigan for Wednesday and Wednesday night as the high pressure
slowly moves east of the region. Modest south to southwest winds
will then prevail over the lake for Thursday into Saturday morning
followed by a wind shift to the north during a cold frontal
passage Saturday afternoon. Shower and storm chances will return
Friday and Saturday.

LMZ261-362-364-366-563-565-567-868-030315-
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-
242 PM CDT Tue Jun 2 2026

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...Northwest winds 10 to 20 kt diminishing to 5 to 10 kt
late this evening, then becoming southwest after midnight
becoming southwest 5 to 10 kt late. Waves 1 to 2 ft subsiding to
nearly calm.
.WEDNESDAY...Southwest winds 5 to 10 kt becoming south 10 to
20 kt. Waves 1 to 2 ft.
.WEDNESDAY NIGHT...South winds 10 to 20 kt. Waves 2 to 4 ft.
.THURSDAY...South winds 15 to 25 kt increasing to 30 kt. Waves
2 to 4 ft building to 4 to 6 ft occasionally to 8 ft.
.THURSDAY NIGHT...South winds to 30 kt becoming southwest 10 to
20 kt overnight. Chance of showers. Waves 4 to 6 ft occasionally
to 8 ft.
.FRIDAY...Southwest winds 10 to 20 kt becoming south. Chance of
showers in the morning, then showers likely with a chance of
thunderstorms in the afternoon. Waves 3 to 5 ft.
.FRIDAY NIGHT...Southwest winds 10 to 20 kt diminishing to 10 to
15 kt. Showers likely with a chance of thunderstorms. Waves 3 to
5 ft.
.SATURDAY...Southwest winds 10 to 15 kt veering to northwest
10 to 20 kt. Chance of showers. Waves 2 to 4 ft.
.SUNDAY...North winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 2 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-030315-
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-
242 PM CDT Tue Jun 2 2026

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...North winds 10 to 20 kt diminishing to 10 to 15 kt
late this evening, then becoming northeast after midnight
becoming northeast 5 to 10 kt late. Waves 1 to 3 ft.
.WEDNESDAY...Southeast winds less than 10 kt becoming south late
in the morning, then becoming 10 to 15 kt early in the afternoon
becoming southeast 10 to 20 kt late. Waves 1 to 2 ft.
.WEDNESDAY NIGHT...Southeast winds 10 to 20 kt becoming south
10 to 15 kt. Waves 1 to 3 ft.
.THURSDAY...South 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.
.THURSDAY NIGHT...South winds 10 to 20 kt becoming southwest.
Waves 4 to 6 ft occasionally to 8 ft.
.FRIDAY...Southwest winds 10 to 20 kt becoming south. Chance of
showers and thunderstorms in the afternoon. Waves 4 to 6 ft
occasionally to 8 ft.
.FRIDAY NIGHT...Southwest winds 10 to 20 kt. Showers likely with
a chance of thunderstorms. Waves 3 to 5 ft.
.SATURDAY...Southwest winds 10 to 20 kt. Chance of showers. Waves
2 to 4 ft.
.SUNDAY...North winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 2 ft.

$$

LMZ761-030315-
MAFOR 0222/
MICHIGAN NORTH 11720 11700 11600 12500 11510 11520 11420. Waves 2
feet or less.

MICHIGAN SOUTH 11820 11810 11110 11100 11200 11400 12410. Waves 1
to 3 feet tonight. Waves 2 feet or less Wednesday.

$$


MH

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

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