200
FZUS63 KMKX 010807
GLFLM

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

Breezy south to southwest winds this morning will gradually ease
this afternoon, as high pressure of 30.0 inches moves in from the
southwest. Lighter winds tonight under the high will pick up a bit
out of the east to northeast Thursday, as low pressure of 29.6
inches lifts from western Iowa into southeast Minnesota. Breezy
southerly winds Thursday night will becoming lighter by later
Friday under another high of 30.0 inches.

LMZ261-362-364-366-563-565-567-868-011530-
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-
307 AM CDT Wed May 1 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...South winds 15 to 25 kt veering to west to 30 kt. Chance
of rain showers this morning. Waves 3 to 5 ft.
.TONIGHT...West winds 15 to 25 kt becoming northwest 10 to 20 kt,
then diminishing to 10 to 15 kt late. Waves 3 to 5 ft subsiding
to 1 to 3 ft.
.THURSDAY...North winds 10 to 15 kt becoming northeast. Chance of
rain showers in the afternoon. Waves 1 to 2 ft.
.THURSDAY NIGHT...East winds 10 to 20 kt becoming southeast 15 to
25 kt. Rain showers likely. Waves 1 to 3 ft building to 3 to
5 ft.
.FRIDAY...South winds 10 to 20 kt becoming southwest. Showers
likely. Waves 3 to 5 ft subsiding to 1 to 3 ft.
.FRIDAY NIGHT...South winds 5 to 10 kt veering to northwest.
Waves 1 to 3 ft.
.SATURDAY...Northeast winds 10 to 15 kt. Waves 1 to 2 ft.
.SUNDAY...Northwest winds 10 to 15 kt backing to southwest 10 to
20 kt. Waves 1 to 2 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-011530-
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-
307 AM CDT Wed May 1 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...Southwest winds to 30 kt becoming west. Waves 3 to 5 ft.
.TONIGHT...West winds 10 to 20 kt becoming northwest 5 to 10 kt
late in the evening, then becoming north after midnight becoming
northeast 10 to 15 kt late. Waves 2 to 4 ft subsiding to 1 to
2 ft.
.THURSDAY...Northeast winds 10 to 15 kt becoming east 10 to
20 kt. Waves 1 to 3 ft.
.THURSDAY NIGHT...Southeast winds 10 to 20 kt becoming south.
Chance of rain showers and thunderstorms in the evening, then
rain showers likely with a chance of thunderstorms overnight.
Waves 2 to 4 ft.
.FRIDAY...Southwest winds 10 to 15 kt veering to northwest.
Showers likely in the morning, then chance of showers in the
afternoon. Waves 2 to 4 ft.
.FRIDAY NIGHT...Northeast winds 5 to 10 kt becoming north. Waves
1 to 3 ft.
.SATURDAY...Northeast winds 10 to 15 kt becoming north. Waves
1 to 2 ft.
.SUNDAY...North winds 10 to 15 kt becoming northeast. Waves 1 to
3 ft.

$$

LMZ761-011530-
MAFOR 0110/
MICHIGAN NORTH 11336 11530 11540 11640 11630 11620 11720 11710.
Waves 2 to 4 feet building to 3 to 5 feet today. Waves 2 to 4
feet subsiding to 1 to 3 feet tonight.

MICHIGAN SOUTH 12530 11540 11640 11620 11710 11800 11810. Waves 2
to 4 feet today. Waves 1 to 3 feet subsiding to 1 foot or less
tonight.

$$


DDV

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

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