253
FZUS63 KMKX 051339
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
839 AM CDT Sun May 5 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...

High pressure of 30.1 inches will move over Lake Michigan today
and Lake Huron tomorrow. North winds this morning will become
light and variable later today then become easterly on Monday.

Monday night, winds will become east to southeasterly around 20
knots over the southern half of Lake Michigan. A front will move
through Tuesday evening bringing west winds to the south half of
the lake. Weak low pressure will then develop over the lake
bringing variable winds for Tuesday night and Wednesday. East
winds will increase on Thursday as low pressure of 29.5 inches moves
south of the lake.

LMZ261-362-364-366-563-565-567-868-052130-
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-
839 AM CDT Sun May 5 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Northwest winds 10 to 20 kt backing to south
10 to 15 kt. Waves 1 to 3 ft subsiding to 1 to 2 ft.
.TONIGHT...Southeast winds 10 to 15 kt diminishing to 5 to 10 kt.
Waves 1 to 2 ft.
.MONDAY...Southeast winds 5 to 10 kt becoming northeast 10 to
15 kt in the afternoon. Waves 1 to 2 ft.
.MONDAY NIGHT...East winds 10 to 15 kt becoming southeast 10 to
20 kt. Waves 1 to 2 ft building to 2 to 4 ft.
.TUESDAY...Southeast winds 10 to 20 kt becoming east. Rain
showers likely. Waves 3 to 5 ft.
.TUESDAY NIGHT...East winds 15 to 25 kt veering to southwest
10 to 20 kt. Chance of rain showers. Waves 2 to 4 ft subsiding to
1 to 3 ft.
.WEDNESDAY...West winds 10 to 15 kt becoming southwest. Waves
1 to 3 ft.
.THURSDAY...Northeast winds 15 to 25 kt becoming north. Chance of
rain showers. Waves 3 to 5 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-052130-
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-
839 AM CDT Sun May 5 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...North winds 15 to 25 kt diminishing to 10 to
20 kt. Waves 3 to 5 ft.
.TONIGHT...North winds 10 to 20 kt becoming northeast 10 to 15 kt
late in the evening, then diminishing to 5 to 10 kt after
midnight increasing to 10 to 15 kt late. Waves 1 to 3 ft.
.MONDAY...East winds 10 to 15 kt becoming northeast. Waves 1 to
2 ft.
.MONDAY NIGHT...East winds 10 to 15 kt becoming southeast 10 to
20 kt. Waves 1 to 3 ft building to 2 to 4 ft.
.TUESDAY...Southeast winds 10 to 20 kt becoming south. Showers in
the morning, then showers with a chance of thunderstorms in the
afternoon. Waves 4 to 6 ft occasionally to 8 ft.
.TUESDAY NIGHT...Southwest winds 10 to 15 kt becoming west.
Chance of showers and thunderstorms. Waves 2 to 4 ft subsiding to
1 to 3 ft.
.WEDNESDAY...Southwest winds 5 to 10 kt backing to southeast
10 to 15 kt. Waves 1 to 2 ft.
.THURSDAY...North winds 15 to 25 kt increasing to 30 kt. Chance
of showers. Waves 3 to 5 ft.

$$

LMZ761-052130-
MAFOR 0516/
MICHIGAN NORTH 11710 11510 11310 14300 11300. Waves 2 feet or
less.

MICHIGAN SOUTH 13820 11810 11100 11110 12210. Waves 2 to 4 feet
subsiding to 1 to 3 feet this afternoon. Waves 1 to 3 feet
tonight. Waves 1 foot or less Monday morning.

$$


Marquardt

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

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