Great Lakes Forecast
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729
FZUS63 KMKX 020150
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
850 PM CDT Wed May 1 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...

Low pressure of 29.4 inches over the western Great Plains will
move north towards the Great Lakes region on Thursday, filling to
29.6 inches by Thursday afternoon. Westerly winds across the Lake
this evening will turn easterly overnight and accelerate on
Thursday as the low approaches the region. Showers and
thunderstorms are possible Thursday afternoon and evening as the
low continues to weaken and lift north into Canada by Friday
morning. High pressure will then briefly build into the region on
Friday with southerly winds in the morning, becoming northerly by
Friday afternoon. Northerly winds will continue across the lake
through the weekend as another low pressure area of 29.8 inches
moves south of Lake Michigan on Saturday. High pressure of 30.1
inches will then build into the Great Lakes region on Sunday.

LMZ261-362-364-366-563-565-567-868-020945-
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 PM CDT Wed May 1 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...Northwest winds 10 to 20 kt becoming north
5 to 10 kt late. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.THURSDAY...Northeast winds 5 to 10 kt increasing to 10 to 15 kt.
Chance of rain showers. Waves 1 to 2 ft.
.THURSDAY NIGHT...Northeast winds 10 to 20 kt veering to
southeast. Rain showers likely in the evening, then rain showers
overnight. Waves 2 to 4 ft.
.FRIDAY...South winds 10 to 20 kt veering to northwest. Chance of
rain showers. Waves 1 to 3 ft.
.FRIDAY NIGHT...Northeast winds 5 to 10 kt. Waves 1 to 2 ft.
.SATURDAY...Northeast winds 10 to 15 kt. Waves 1 to 2 ft.
.SATURDAY NIGHT...North winds 10 to 15 kt becoming northwest.
Chance of rain showers. Waves 1 to 2 ft.
.SUNDAY...Northwest winds 10 to 15 kt. Waves 1 to 2 ft.
.MONDAY...Southeast winds 10 to 15 kt becoming east 10 to 20 kt.
Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-020945-
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 PM CDT Wed May 1 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...Northwest winds 5 to 10 kt veering to
northeast 10 to 15 kt. Slight chance of rain showers overnight.
Waves 1 to 3 ft subsiding to 1 to 2 ft.
.THURSDAY...East winds 10 to 15 kt increasing to 10 to 20 kt.
Chance of rain showers in the morning, then chance of rain
showers and slight chance of thunderstorms in the afternoon.
Waves 1 to 2 ft building to 2 to 4 ft.
.THURSDAY NIGHT...Southeast winds 10 to 20 kt becoming south
10 to 15 kt. Chance of showers and thunderstorms in the evening,
then showers with a chance of thunderstorms overnight. Waves 2 to
4 ft.
.FRIDAY...Southwest winds 10 to 15 kt veering to north. Chance of
showers and thunderstorms in the morning, then chance of showers
in the afternoon. Waves 1 to 3 ft.
.FRIDAY NIGHT...North winds 10 to 15 kt diminishing to 5 to
10 kt. Waves 1 to 2 ft.
.SATURDAY...North winds 10 to 15 kt. Waves 1 to 3 ft.
.SATURDAY NIGHT...North winds 10 to 15 kt. Chance of showers.
Waves 1 to 3 ft.
.SUNDAY...North winds 10 to 15 kt. Waves 1 to 2 ft.
.MONDAY...East winds 10 to 15 kt becoming southeast 10 to 20 kt.
Chance of showers. Waves 1 to 3 ft.

$$

LMZ761-020945-
MAFOR 0204/
MICHIGAN NORTH 11720 11810 12100 11210 11110 11120 11226. Waves 2
feet or less overnight and Thursday. Waves 1 to 3 feet Thursday
evening.

MICHIGAN SOUTH 11800 11110 13210 11220 12320. A chance of showers
Thursday. A chance of showers and thunderstorms Thursday evening.
Waves 2 feet or less overnight. Waves 1 to 3 feet Thursday and
Thursday evening.

$$


Falkinham

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

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