000
FZUS63 KMKX 251347
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
847 AM CDT Thu Apr 25 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...

Light winds generally from the southeast will prevail over Lake
Michigan today as high pressure around 30.1 inches gradually
shifts to the east of the region. Southeast winds will begin to
increase tonight.

Low pressure of 29.2 inches will develop across the Central
Plains on Friday and move northeast into Lake Superior on
Saturday, leading to increasing southeast winds Friday into
Friday night. Winds shift to south on Saturday. Some gales are
possible at times Friday night into Saturday. Showers and
thunderstorms are expected at times across the region late Friday
into Saturday night.

Another low pressure system around 29.5 inches will move northeast
across the Great Lakes region Sunday into Monday, which will
again bring gusty south winds across Lake Michigan. Showers and
thunderstorms are expected at times once again during this period.

LMZ261-362-364-366-563-565-567-868-252130-
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-
847 AM CDT Thu Apr 25 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...South winds 5 to 10 kt. Waves 1 to 2 ft.
.TONIGHT...East winds 10 to 15 kt becoming southeast 10 to 20 kt
after midnight, then increasing to 15 to 25 kt late. Waves 1 to
2 ft building to 2 to 4 ft.
.FRIDAY...Southeast winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 3 to 5 ft.
.FRIDAY NIGHT...Southeast winds to 30 kt. Showers. Waves 6 to
9 ft occasionally to 12 ft.
.SATURDAY...South winds to 30 kt. Showers likely in the morning,
then chance of showers in the afternoon. Waves 7 to 10 ft
occasionally to 13 ft.
.SATURDAY NIGHT...South winds to 30 kt becoming southwest. Rain
showers likely with a chance of thunderstorms. Waves 7 to 10 ft
occasionally to 13 ft.
.SUNDAY...Northeast winds 15 to 25 kt becoming east. Rain
showers. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft.
.MONDAY...South winds to 30 kt. Showers likely. Waves 4 to 6 ft
occasionally to 8 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-252130-
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-
847 AM CDT Thu Apr 25 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Southeast winds 5 to 10 kt becoming northeast.
Waves 1 to 2 ft.
.TONIGHT...Northeast winds 10 to 15 kt becoming east late in the
evening, then becoming southeast 10 to 20 kt after midnight
increasing to 15 to 25 kt late. Waves 1 to 3 ft building to 2 to
4 ft.
.FRIDAY...Southeast winds 15 to 25 kt. Chance of rain showers in
the afternoon. Waves 4 to 6 ft occasionally to 8 ft subsiding to
3 to 5 ft.
.FRIDAY NIGHT...Southeast winds to 30 kt becoming south. Showers
with a chance of thunderstorms. Waves 6 to 9 ft occasionally to
12 ft.
.SATURDAY...South winds to 30 kt increasing to gales to 35 kt.
Chance of showers and thunderstorms. Waves 7 to 10 ft
occasionally to 13 ft.
.SATURDAY NIGHT...South winds to 30 kt increasing to gales to
35 kt. Showers and thunderstorms likely. Waves 7 to 10 ft
occasionally to 13 ft.
.SUNDAY...South winds to 30 kt. Showers with a chance of
thunderstorms. Waves 4 to 6 ft occasionally to 8 ft subsiding to
3 to 5 ft.
.MONDAY...South winds to 30 kt becoming southwest 15 to 25 kt.
Showers likely. Waves 4 to 6 ft occasionally to 8 ft.

$$

LMZ761-252130-
MAFOR 2516/
MICHIGAN NORTH 12400 11200 11210 11310 11320 12330. Waves 1 foot
or less this afternoon. Waves 1 to 3 feet tonight. Waves 2 to 4
feet Friday morning.

MICHIGAN SOUTH 11300 11210 11110 11210 11220 11320 12330. Waves 2
feet or less this afternoon. Waves 2 feet or less building to 2
to 4 feet tonight. Waves 3 to 5 feet Friday morning.

$$


MH

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

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