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National Weather Service Marine Forecast FZUS63 KMKX

FZUS63 KMKX 221350
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
850 AM CDT Sun May 22 2022

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 build into the Upper Great
Lakes region today. Winds will become light and variable this
afternoon as the high pushes over the lake. On Monday the high
shifts east and winds continue to become east to northeasterly.
Then winds begin to pick up into Tuesday as a low lifts northward
from the Mid- Mississippi River Valley. Looking at stronger winds
and increased waves across the lake as the low pushes through the
region midweek.

LMZ261-362-364-366-563-565-567-868-222115-
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-
850 AM CDT Sun May 22 2022

SHEBOYGAN WI TO PENTWATER MI NORTH...

REST OF TODAY
Northwest winds 10 to 15 kt backing to southwest
10 to 20 kt. Waves 1 to 3 ft.

TONIGHT
Southwest winds 10 to 20 kt diminishing to 5 to 10 kt.
Waves 1 to 3 ft subsiding to 1 ft or less.

MONDAY
Southeast winds 5 to 10 kt backing to north. Waves 1 ft
or less.

MONDAY NIGHT
Northeast winds 10 to 15 kt becoming east 5 to
10 kt. Waves 1 ft or less.

TUESDAY
Southeast winds 5 to 10 kt becoming northeast 10 to
15 kt. Waves 1 ft or less.

TUESDAY NIGHT
Northeast winds 10 to 20 kt becoming east.
Chance of rain showers. Waves 1 to 3 ft.

WEDNESDAY
Northeast winds 15 to 25 kt. Rain showers likely.
Waves 4 to 6 ft occasionally to 8 ft.

THURSDAY
West winds 10 to 20 kt. Chance of showers. Waves 2 to
4 ft. 



LMZ080-669-671-673-675-777-779-870-872-874-876-878-222115-
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-
850 AM CDT Sun May 22 2022

SHEBOYGAN WI TO PENTWATER MI SOUTH...

REST OF TODAY
Northwest winds 10 to 20 kt becoming northeast.
Waves 3 to 5 ft.

TONIGHT
Northeast winds 10 to 15 kt becoming north 5 to 10 kt.
Waves 1 to 3 ft subsiding to 1 ft or less.

MONDAY
Northeast winds 5 to 10 kt becoming north 10 to 20 kt.
Waves 1 to 3 ft.

MONDAY NIGHT
Northeast winds 10 to 20 kt becoming east 10 to
15 kt. Waves 1 to 3 ft.

TUESDAY
East winds 10 to 15 kt becoming northeast 10 to 20 kt.
Waves 1 to 3 ft.

TUESDAY NIGHT
Northeast winds 10 to 20 kt becoming east 15 to
25 kt. Chance of showers. Waves 2 to 4 ft building to 3 to 5 ft.

WEDNESDAY
East winds 15 to 25 kt. Showers. Waves 4 to 6 ft
occasionally to 8 ft.

THURSDAY
West winds 10 to 20 kt becoming northwest. Chance of
showers. Waves 1 to 3 ft. 



LMZ761-222115-
MAFOR 2216/
MICHIGAN NORTH 11610 12520 11510 12500 11400 11300. Waves 1 to 3
ft.

MICHIGAN SOUTH 12820 11110 11700 11600 11700 12100. Waves 3 to 5
ft subsiding to 2 to 4 ft this afternoon. Waves 1 to 3 ft tonight
and Monday morning.



Cronce

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

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