Great Lakes Forecast
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FZUS63 KMKX 221345
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
845 AM CDT Fri Mar 22 2024

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...

Southeast to east winds this morning will become more northerly
late today as a trough of low pressure averaging 30.0 inches
moves east of the region. Breezy northerly winds will continue
Saturday, before becoming easterly again on Sunday. Winds could
approach gale thresholds Sunday night through Monday as a low
pressure center moves from the Great Plains into the Upper
Mississippi Valley.

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-
845 AM CDT Fri Mar 22 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Southeast winds 10 to 15 kt becoming east 5 to
10 kt. Chance of snow through mid morning, then slight chance of
snow this afternoon. Waves 2 to 4 ft.
.TONIGHT...Northeast winds 5 to 10 kt becoming north 10 to 20 kt.
Chance of snow in the evening, then slight chance of snow
overnight. Waves 2 to 4 ft.
.SATURDAY...North winds 10 to 20 kt diminishing to 10 to 15 kt.
Waves 2 to 4 ft.
.SATURDAY NIGHT...Northeast winds 10 to 15 kt becoming east.
Waves 1 to 3 ft.
.SUNDAY...Southeast winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 3 to 5 ft building to 4 to 7 ft occasionally to 9 ft.
.SUNDAY NIGHT...Southeast gales to 35 kt. Snow likely. Waves 6 to
9 ft occasionally to 12 ft building to 8 to 12 ft occasionally to
16 ft.
.MONDAY...Southeast gales to 35 kt. Rain likely with a chance of
snow. Waves 8 to 12 ft occasionally to 16 ft subsiding to 8 to
11 ft occasionally to 14 ft.
.TUESDAY...South winds to 30 kt. Chance of rain. Waves 6 to 9 ft
occasionally to 12 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-
845 AM CDT Fri Mar 22 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Southeast winds 10 to 20 kt becoming northeast
10 to 15 kt. Snow. Waves 2 to 4 ft.
.TONIGHT...Northeast winds 10 to 15 kt becoming north 10 to
20 kt. Chance of snow in the evening, then slight chance of snow
overnight. Waves 1 to 3 ft building to 3 to 5 ft.
.SATURDAY...North winds 10 to 20 kt. Waves 4 to 6 ft occasionally
to 8 ft.
.SATURDAY NIGHT...Northeast winds 10 to 20 kt becoming east 10 to
15 kt. Waves 3 to 5 ft subsiding to 1 to 3 ft.
.SUNDAY...Southeast winds 15 to 25 kt. Waves 4 to 6 ft
occasionally to 8 ft building to 5 to 8 ft occasionally to 10 ft.
.SUNDAY NIGHT...East gales to 35 kt becoming southeast gales to
40 kt. Chance of rain and snow. Waves 7 to 10 ft occasionally to
13 ft building to 10 to 14 ft occasionally to 18 ft.
.MONDAY...Southeast gales to 35 kt. Chance of rain. Waves 10 to
14 ft occasionally to 18 ft subsiding to 8 to 11 ft occasionally
to 14 ft.
.TUESDAY...South winds to 30 kt becoming southwest. Chance of
rain. Waves 5 to 8 ft occasionally to 10 ft subsiding to 4 to
7 ft occasionally to 9 ft.

$$

LMZ761-222115-
MAFOR 2216/
MICHIGAN NORTH 11310 11210 11100 11810 14820. A chance of snow
this evening. Waves 1 to 3 feet this afternoon. Waves 1 to 3 feet
building to 2 to 4 feet tonight. Waves 2 to 4 feet Saturday
morning.

MICHIGAN SOUTH 11327 11217 11117 11810 14820. Waves 2 to 4 feet
subsiding to 1 to 3 feet this afternoon. Waves 1 to 3 feet
building to 2 to 4 feet tonight. Waves 3 to 6 feet Saturday
morning.

$$


Boxell

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

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


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