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National Weather Service Marine Forecast FZUS63 KMKX

FZUS63 KMKX 031428
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
828 AM CST Wed Mar 3 2021

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

Low pressure of 29.7 inches over eastern Ontario will continue to
move east of the region today, with high pressure of 30.4 inches
over Hudson Bay. A cold front has moved southeast of the area,
which has shifted winds to the northwest.

Strong high pressure of 30.6 inches will linger to the west of
Hudson Bay tonight into Friday, before shifting southeast across
Ontario this weekend. North winds are generally expected through
the rest of this week, becoming northwest on Saturday. Winds
should shift to the south later in the weekend.

&&

LMZ261-362-364-366-563-565-567-868-032215-
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-
828 AM CST Wed Mar 3 2021

SHEBOYGAN WI TO PENTWATER MI NORTH...

REST OF TODAY
Northwest winds 10 to 20 kt becoming north 15 to
25 kt. Waves 3 to 5 ft.

TONIGHT
North winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 3 to 5 ft.

THURSDAY
North winds 10 to 20 kt. Waves 3 to 5 ft.

THURSDAY NIGHT
North winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 2 to 4 ft.

FRIDAY
Northwest winds 10 to 20 kt. Waves 2 to 4 ft.

FRIDAY NIGHT
North winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 2 to 4 ft.

SATURDAY
Northwest winds 10 to 15 kt increasing to 10 to
20 kt. Waves 1 to 3 ft.

SUNDAY
South winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft building to 2 to 4 ft. 



LMZ080-669-671-673-675-777-779-870-872-874-876-878-032215-
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-
828 AM CST Wed Mar 3 2021

SHEBOYGAN WI TO PENTWATER MI SOUTH...

REST OF TODAY
Northwest winds 10 to 15 kt increasing to 10 to
20 kt late this morning, then becoming northwest 10 to 20 kt
early this afternoon becoming north 15 to 25 kt late. Waves 3 to
5 ft.

TONIGHT
North winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 3 to 5 ft.

THURSDAY
North winds 10 to 20 kt. Waves 3 to 5 ft.

THURSDAY NIGHT
North winds 10 to 20 kt. Waves 3 to 5 ft.

FRIDAY
North winds 10 to 15 kt. Waves 2 to 4 ft.

FRIDAY NIGHT
North winds 10 to 15 kt. Waves 1 to 3 ft.

SATURDAY
Northwest winds 5 to 10 kt becoming north 10 to
15 kt. Waves 1 to 3 ft.

SUNDAY
South winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft building to 2 to 4 ft. 



LMZ761-032215-
MAFOR 0316/
MICHIGAN NORTH 11820 13830 14820. Waves 1 to 3 feet building to 2
to 4 feet this afternoon. Waves 2 to 4 feet building to 3 to 5
feet tonight. Waves 2 to 4 feet Thursday morning.

MICHIGAN SOUTH 11720 13830 14820. Waves 1 to 3 feet building to 2
to 4 feet this afternoon. Waves 3 to 5 feet tonight. Waves 3 to 5
feet subsiding to 2 to 4 feet Thursday morning.


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

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