380
FZUS63 KMKX 231932
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
232 PM CDT Thu May 23 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 around 29.9 inches will drift across the Great Lakes
this afternoon into tonight. Light to modest southerly winds will
prevail over the entire lake becoming easterly late tonight.
Modest east-southeast on Friday are expected as a warm front
approaches followed by a cold front Friday night. A couple rounds
of thunderstorms are expected with the fronts. Modest westerly
winds will occur after the cold frontal passage and continue into
Saturday. High pressure around 29.9 inches will then move across
Lake Michigan for Saturday afternoon and evening.


LMZ261-362-364-366-563-565-567-868-240330-
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-
232 PM CDT Thu May 23 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...Southwest winds 10 to 20 kt backing to east 10 to
15 kt. Waves 1 to 3 ft.
.FRIDAY...East winds 10 to 15 kt increasing to 10 to 20 kt.
Chance of showers in the afternoon. Waves 1 to 3 ft.
.FRIDAY NIGHT...East winds 15 to 20 kt veering to southwest.
Showers likely with a chance of thunderstorms in the evening, then
showers with a chance of thunderstorms overnight. Waves 2 to 4
ft.
.SATURDAY...West winds 10 to 20 kt becoming southwest. Waves 2 to
4 ft.
.SATURDAY NIGHT...South winds 10 to 20 kt becoming southeast 5 to
10 kt overnight. Waves 1 to 3 ft.
.SUNDAY...East winds 10 to 15 kt becoming northeast 10 to 20 kt.
Waves 1 to 3 ft.
.SUNDAY NIGHT...Northeast winds 10 to 20 kt. Showers likely.
Waves 2 to 4 ft.
.MONDAY...North winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of showers. Waves 2 to 4 ft.
.TUESDAY...Northwest winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of showers. Waves 3 to 5 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-240330-
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-
232 PM CDT Thu May 23 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...Southeast winds 10 to 15 kt. Waves 1 to 3 ft subsiding
to 1 to 2 ft.
.FRIDAY...Southeast winds 10 to 15 kt increasing to 10 to 20 kt.
Patchy fog in the afternoon. Chance of showers and slight chance
of thunderstorms in the afternoon. Waves 2 to 4 ft.
.FRIDAY NIGHT...Southeast winds 10 to 20 kt veering to west.
Patchy fog in the evening. Showers with a chance of thunderstorms
in the evening, then chance of showers and thunderstorms
overnight. Waves 2 to 4 ft.
.SATURDAY...Northwest winds 10 to 20 kt becoming west. Waves 2 to
4 ft.
.SATURDAY NIGHT...Southeast winds 10 to 15 kt becoming east 5 to
10 kt. Waves 1 to 2 ft.
.SUNDAY...East winds 10 to 20 kt. Chance of showers in the
morning, then showers likely with a chance of thunderstorms in
the afternoon. Waves 1 to 3 ft building to 2 to 4 ft.
.SUNDAY NIGHT...East winds 10 to 20 kt backing to north. Chance
of showers and thunderstorms. Waves 3 to 5 ft.
.MONDAY...Northwest winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of showers. Waves 3 to 5 ft.
.TUESDAY...Northwest winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of showers. Waves 4 to 6 ft occasionally to 8 ft.

$$

LMZ761-240330-
MAFOR 2322/
MICHIGAN NORTH 11520 11510 14210 12220. A chance of showers
Friday afternoon. Waves 2 feet or less.

MICHIGAN SOUTH 15310 12320. A chance of showers Friday afternoon.
Waves 2 feet or less tonight. Waves 1 to 3 feet Friday.

$$


Gehring

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

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