551
FZUS63 KMKX 220809
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
309 AM CDT Wed May 22 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 around 29.1 near the Minnesota Arrowhead will track
across Ontario today will weakening to 29.3 inches. Southwest
gales are lingering a little later than anticipated over the
southern two thirds of the lake, so extended Gale Warning until 6
AM.

Gusty southwest winds up to 30 kt will continue through this
afternoon, especially over the north half. Light to modest
southwest winds will then prevail over the entire lake for
tonight and Thursday.Winds will become east-southeast on Friday as
a low pressure trough around 29.5 inches approaches from
Wisconsin. Winds will shift to the west in the wake of the trough
Friday night. High pressure around 29.9 inches will overspread the
Lake Michigan on Saturday. Low pressure around 29.3 inches will
slide across the Midwest Sunday and across Lower Michigan Monday.

LMZ261-362-364-563-221530-
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 Rock Island Passage to Sturgeon Bay WI-
309 AM CDT Wed May 22 2024

STURGEON BAY WI TO POINT BETSIE MI NORTH...

.TODAY...Southwest winds to 30 kt. Waves 8 to 11 ft occasionally
to 14 ft subsiding to 7 to 10 ft occasionally to 13 ft.
.TONIGHT...Southwest winds to 30 kt diminishing to 10 to 20 kt.
Waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to 4 ft.
.THURSDAY...Southwest winds 10 to 20 kt increasing to 15 to
25 kt. Waves 2 to 4 ft.
.THURSDAY NIGHT...Southwest winds 10 to 20 kt veering to north
5 to 10 kt overnight. Waves 2 to 4 ft.
.FRIDAY...Northeast winds 10 to 15 kt becoming east 10 to 20 kt.
Waves 1 to 3 ft.
.FRIDAY NIGHT...East winds 10 to 20 kt becoming south 15 to
25 kt. Showers likely with a chance of thunderstorms. Waves 2 to
4 ft.
.SATURDAY...Southwest winds 10 to 20 kt increasing to 15 to
25 kt. Waves 2 to 4 ft.
.SUNDAY...East winds 10 to 15 kt becoming northeast. Waves 1 to
2 ft.

$$

LMZ080-366-565-567-669-671-673-675-777-779-868-870-872-874-876-
878-221530-
Lake Michigan from Michigan City IN to St. Joseph MI 5 NM
offshore to Mid Lake-
Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to
Mid Lake-
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 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 Pentwater to Manistee MI 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-
309 AM CDT Wed May 22 2024

STURGEON BAY WI TO POINT BETSIE MI SOUTH...

...GALE WARNING IN EFFECT UNTIL 6 AM CDT EARLY THIS MORNING...

.TODAY...Southwest gales to 35 kt diminishing to 15 to 25 kt.
Waves 8 to 11 ft occasionally to 14 ft subsiding to 4 to 7 ft
occasionally to 9 ft.
.TONIGHT...Southwest winds 10 to 20 kt. Waves 3 to 5 ft subsiding
to 2 to 4 ft.
.THURSDAY...Southwest winds 10 to 15 kt becoming south 10 to
20 kt. Waves 1 to 3 ft.
.THURSDAY NIGHT...South winds 10 to 20 kt diminishing to 5 to
10 kt overnight. Waves 1 to 3 ft.
.FRIDAY...Southeast winds 10 to 20 kt. Waves 1 to 3 ft building
to 2 to 4 ft.
.FRIDAY NIGHT...South winds 10 to 20 kt becoming southwest.
Showers likely with a chance of thunderstorms. Waves 2 to 4 ft.
.SATURDAY...West winds 10 to 20 kt becoming southwest. Waves 2 to
4 ft.
.SUNDAY...East winds 10 to 15 kt increasing to 10 to 20 kt. Waves
1 to 3 ft.

$$

LMZ761-221530-
MAFOR 2210/
MICHIGAN NORTH...11440 14540 11540 12520. Waves 7 to 11 feet
subsiding to 5 to 9 feet today. Waves 3 to 6 feet subsiding to 1
to 3 feet tonight.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...11550 11540 12530 13520
11510. Waves 6 to 10 feet subsiding to 3 to 6 feet today. Waves 2
to 4 feet subsiding to 1 to 3 feet tonight.

$$


Cronce

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

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