Great Lakes Forecast
Issued by NWS

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FZUS63 KMKX 220752
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
252 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...

Winds will increase out of the east overnight as low pressure of
29.8 inches passes by to the south of Lake Michigan. Winds will
become more northerly late Friday as the low 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.

LMZ261-362-364-366-563-565-567-868-221515-
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-
252 AM CDT Fri Mar 22 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...Southeast winds 10 to 15 kt becoming east 5 to 10 kt.
Snow this morning, then slight chance of snow this afternoon.
Waves 1 to 3 ft building to 2 to 4 ft.
.TONIGHT...Northeast winds 5 to 10 kt becoming north 10 to 20 kt
from late evening on. Slight chance of snow. Waves 1 to 3 ft
building to 3 to 5 ft.
.SATURDAY...North winds 10 to 20 kt diminishing to 10 to 15 kt.
Waves 3 to 5 ft.
.SATURDAY NIGHT...Northeast winds 10 to 15 kt becoming east.
Waves 2 to 4 ft subsiding to 1 to 2 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 winds to 30 kt. A few gale force gusts
possible. Snow likely. Waves 5 to 8 ft occasionally to 10 ft.
.MONDAY...Southeast winds to 30 kt. A few gale force gusts
possible. Rain likely with a chance of snow. Waves 6 to 9 ft
occasionally to 12 ft.
.TUESDAY...South winds to 30 kt. Chance of rain. Waves 6 to 9 ft
occasionally to 12 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-221515-
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-
252 AM CDT Fri Mar 22 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...East winds 10 to 20 kt diminishing to 10 to 15 kt. Snow.
Waves 2 to 4 ft building to 3 to 5 ft.
.TONIGHT...Northeast winds 10 to 20 kt becoming north 15 to
25 kt. Slight chance of rain and snow in the evening, then slight
chance of snow overnight. Waves 2 to 4 ft building to 4 to 6 ft
occasionally to 8 ft.
.SATURDAY...North winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 4 to 7 ft occasionally to 9 ft.
.SATURDAY NIGHT...Northeast winds 10 to 20 kt becoming east 10 to
15 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft.
.SUNDAY...Southeast winds 15 to 25 kt. Waves 4 to 6 ft
occasionally to 8 ft building to 6 to 9 ft occasionally to 12 ft.
.SUNDAY NIGHT...East winds to 30 kt becoming southeast to 30 kt. A
few gale force gusts possible. Chance of rain and snow. Waves 7
to 10 ft occasionally to 13 ft.
.MONDAY...Southeast winds to 30 kt. A few gale force gusts
possible. Chance of rain. Waves 6 to 9 ft occasionally to 12 ft.
.TUESDAY...South winds to 30 kt becoming southwest. Chance of
rain. Waves 5 to 8 ft occasionally to 10 ft.

$$

LMZ761-221515-
MAFOR 2210/
MICHIGAN NORTH 12317 11310 11210 11100 11810 12820. Waves 1 to 3
feet today. Waves 1 to 3 feet building to 2 to 4 feet tonight.

MICHIGAN SOUTH 11227 12327 11217 12110 12820. Waves 1 to 3 feet
building to 2 to 4 feet today. Waves 1 to 3 feet building to 3 to
5 feet tonight.

$$


Quigley

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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