806
FZUS63 KMKX 081417
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
917 AM CDT Mon Jun 8 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...

No major changes to the going forecast with this issuance.

High pressure of 30.2 inches over the Lower Great Lakes will
continue to shift eastward today. Light to moderate southeast
winds developing over Lake Michigan will persist through tonight.
Scattered showers and thunderstorms are expected mainly this
afternoon and night as a warm front lifts northward.

Winds will become southerly and storms become more isolated
behind the front on Tuesday. A brief period of light and variable
winds may occur Tuesday evening, followed by gusty south winds
into Wednesday as low pressure deepens west of the region.

LMZ261-362-364-366-563-565-567-868-082130-
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-
917 AM CDT Mon Jun 8 2026

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...East winds 10 to 20 kt. Slight chance of showers
and thunderstorms this afternoon. Waves 2 to 4 ft subsiding to
1 to 3 ft.
.TONIGHT...East winds 10 to 20 kt becoming southeast 10 to 15 kt.
Chance of showers and thunderstorms in the evening, then showers
and slight chance of thunderstorms overnight. Waves 1 to 3 ft.
.TUESDAY...East winds 10 to 15 kt backing to north. Chance of
showers in the morning. Waves 1 to 3 ft.
.TUESDAY NIGHT...North winds 5 to 10 kt backing to west. Chance
of showers overnight. Waves 1 to 2 ft.
.WEDNESDAY...South winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 1 to 3 ft building to 4 to 7 ft occasionally to 9 ft.
.WEDNESDAY NIGHT...South winds to 30 kt. Showers with a chance of
thunderstorms. Waves 4 to 7 ft occasionally to 9 ft.
.THURSDAY...Southwest winds 15 to 25 kt becoming south. Chance of
showers and thunderstorms. Waves 4 to 7 ft occasionally to 9 ft
subsiding to 4 to 6 ft occasionally to 8 ft.
.FRIDAY...Southwest winds 15 to 25 kt increasing to 30 kt. Waves
3 to 5 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-082130-
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-
917 AM CDT Mon Jun 8 2026

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Southeast winds 10 to 20 kt. Isolated showers
and thunderstorms late this morning, then chance of showers and
thunderstorms this afternoon. Waves 3 to 5 ft.
.TONIGHT...Southeast winds 10 to 15 kt increasing to 10 to 20 kt.
Showers with a chance of thunderstorms in the evening, then
showers likely with slight chance of thunderstorms overnight.
Waves 1 to 3 ft.
.TUESDAY...South winds 10 to 15 kt veering to west. Chance of
showers in the morning. Waves 1 to 3 ft subsiding to 1 to 2 ft.
.TUESDAY NIGHT...North winds 5 to 10 kt backing to south. Chance
of showers and thunderstorms overnight. Waves 1 to 2 ft.
.WEDNESDAY...South winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 2 to 4 ft building to 4 to 7 ft occasionally to 9 ft.
.WEDNESDAY NIGHT...South winds 15 to 25 kt becoming southwest.
Showers likely with a chance of thunderstorms. Waves 4 to 7 ft
occasionally to 9 ft.
.THURSDAY...Southwest winds 10 to 20 kt becoming south. Chance of
thunderstorms. Waves 4 to 6 ft occasionally to 8 ft subsiding to
3 to 5 ft.
.FRIDAY...West winds 10 to 20 kt becoming southwest. Waves 2 to
4 ft.

$$

LMZ761-082130-
MAFOR 0816/
MICHIGAN NORTH 12220 11120 11220 11326 11316 11216 11210. A
chance of thunderstorms this evening. Waves 2 to 4 feet subsiding
to 1 to 3 feet this afternoon. Waves 1 to 3 feet tonight and
Tuesday morning.

MICHIGAN SOUTH 12320 11310 13316 12410. A chance of thunderstorms
this afternoon and evening. Waves 2 to 4 feet subsiding to 1 to 3
feet this afternoon. Waves 1 to 3 feet tonight and Tuesday
morning.

$$


CMiller

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

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