Great Lakes Forecast
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000
FZUS63 KMKX 080901
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
301 AM CST Mon Mar 8 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...

High pressure of 30.3 inches over the Midwest will continue to
slowly move into the eastern U.S. as a trough of low pressure
develops over the Northern Plains. Gusty southerly winds to 30
knots are expected over the Lake Michigan open waters tonight.
This surface low around 29.5 inches will track across the Dakotas
and reach Ontario by Tuesday night.

Another area of low pressure around 29.6 inches developing over
Kansas Tuesday night will track across central Wisconsin Wednesday
evening. Gusty southerly winds of around 30 knots are expected
again on Wednesday. A few gusts could reach gale force. The
associated cold front will cross Lake Michigan late Wednesday into
Thursday morning, with winds becoming westerly to northwesterly
behind the front.

In addition to the winds, higher dewpoints moving over the cold
lake will likely result in at least patchy fog Tuesday night
through Wednesday night.

&&

LMZ261-362-364-366-563-565-567-868-081645-
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-
301 AM CST Mon Mar 8 2021

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...Southwest winds to 30 kt becoming west 10 to 20 kt.
Waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft.
.TONIGHT...Southwest winds 5 to 10 kt becoming south 10 to 15 kt.
Waves 2 to 4 ft subsiding to 1 to 2 ft.
.TUESDAY...Southeast winds 10 to 15 kt becoming south 15 to
25 kt. Waves 1 to 2 ft building to 4 to 6 ft occasionally to
8 ft.
.TUESDAY NIGHT...South winds to 30 kt. Waves 6 to 9 ft
occasionally to 12 ft.
.WEDNESDAY...South winds to 30 kt. Patchy fog. Rain showers
likely in the morning, then rain showers in the afternoon. Waves
6 to 9 ft occasionally to 12 ft.
.WEDNESDAY NIGHT...South winds to 30 kt becoming southwest.
Patchy fog. Chance of rain showers. Waves 6 to 9 ft occasionally
to 12 ft.
.THURSDAY...Southwest winds to 30 kt becoming west 10 to 20 kt.
Chance of rain showers. Waves 5 to 8 ft occasionally to 10 ft
subsiding to 3 to 5 ft.
.FRIDAY...Northwest winds 10 to 20 kt. Waves 2 to 4 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-081645-
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-
301 AM CST Mon Mar 8 2021

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...Southwest winds 15 to 25 kt becoming west 10 to 20 kt.
Waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft.
.TONIGHT...West winds 5 to 10 kt backing to southeast 10 to
15 kt. Waves 2 to 4 ft subsiding to 1 to 2 ft.
.TUESDAY...Southeast winds 10 to 15 kt becoming south 15 to
25 kt. Waves 1 to 2 ft building to 3 to 5 ft.
.TUESDAY NIGHT...South winds to 30 kt. Patchy fog. Waves 5 to
8 ft occasionally to 10 ft.
.WEDNESDAY...South winds 15 to 25 kt. Patchy fog. Showers likely
in the morning, then chance of showers in the afternoon. Waves
6 to 9 ft occasionally to 12 ft.
.WEDNESDAY NIGHT...South winds to 30 kt becoming southwest.
Patchy fog. Chance of showers. Waves 6 to 9 ft occasionally to
12 ft.
.THURSDAY...Southwest winds 10 to 20 kt becoming west. Rain
showers likely. Waves 4 to 7 ft occasionally to 9 ft subsiding to
3 to 5 ft.
.FRIDAY...Northwest winds 10 to 15 kt becoming north. Waves 1 to
3 ft.

$$

LMZ761-081645-
MAFOR 0810/
MICHIGAN NORTH 11540 11530 12620 11520 11500 12400. Waves 4 to 7
feet subsiding to 2 to 4 feet today. Waves 1 to 3 feet the rest
of tonight.

MICHIGAN SOUTH 14530 11620 11600 11400 11300. Waves 4 to 7 feet
subsiding to 2 to 4 feet today. Waves 1 to 3 feet tonight.

$$


Cronce

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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