155
FZUS63 KMKX 221942
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
142 PM CST Sat Feb 22 2025

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 southwest winds will continue today as 30.4 inch high
pressure moves into the southeastern US and 29.4 inch low
pressure moves from the Hudson Bay into Quebec. Southwest winds
will continue into the day on Sunday as 29.3 inch low pressure
moves into the Canadian Great Plains and 30.1 inch high pressure
moves from the southern Hudson Bay into Quebec.

Another area of low pressure, averaging 29.6 inches, passes
through the region on Wednesday. Southerly winds can be expected
just ahead of this feature, before winds turn northwesterly as it
passes.

LMZ261-362-364-366-563-565-567-868-230415-
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-
142 PM CST Sat Feb 22 2025

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...Southwest winds 10 to 20 kt becoming west 10 to 15 kt.
Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to 4 ft.
.SUNDAY...Southwest winds 5 to 10 kt becoming south late in the
morning, then becoming 10 to 20 kt early in the afternoon
becoming south 10 to 20 kt late. Waves 2 to 4 ft.
.SUNDAY NIGHT...South winds 10 to 20 kt becoming southwest to
30 kt. Chance of rain and snow overnight. Waves 3 to 5 ft
building to 5 to 8 ft occasionally to 10 ft.
.MONDAY...Southwest winds to 30 kt. Waves 5 to 8 ft occasionally
to 10 ft subsiding to 4 to 7 ft occasionally to 9 ft.
.MONDAY NIGHT...West winds 10 to 20 kt becoming northwest 10 to
15 kt. Chance of rain in the evening. Waves 3 to 5 ft subsiding
to 2 to 4 ft.
.TUESDAY...Northwest winds 10 to 15 kt. Waves 1 to 3 ft.
.TUESDAY NIGHT...Southwest winds 5 to 10 kt becoming south. Waves
1 to 2 ft.
.WEDNESDAY...South winds 10 to 15 kt veering to west. Chance of
rain. Waves 1 to 3 ft.
.THURSDAY...Northwest winds 10 to 20 kt. Waves 2 to 4 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-230415-
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-
142 PM CST Sat Feb 22 2025

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...Southwest winds 15 to 25 kt diminishing to 10 to
15 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to
4 ft.
.SUNDAY...Southwest winds 10 to 15 kt becoming south 10 to 20 kt.
Chance of flurries. Waves 2 to 4 ft.
.SUNDAY NIGHT...South winds 10 to 20 kt becoming southwest 15 to
25 kt. Waves 4 to 7 ft occasionally to 9 ft.
.MONDAY...Southwest winds 15 to 25 kt. Waves 5 to 8 ft
occasionally to 10 ft.
.MONDAY NIGHT...Southwest winds 10 to 20 kt becoming west 10 to
15 kt. Chance of rain. Waves 4 to 6 ft occasionally to 8 ft
subsiding to 2 to 4 ft.
.TUESDAY...Northwest winds 10 to 15 kt. Waves 1 to 3 ft.
.TUESDAY NIGHT...West winds 5 to 10 kt becoming south. Waves 1 to
3 ft.
.WEDNESDAY...South winds 10 to 15 kt veering to northwest. Chance
of rain. Waves 1 to 3 ft.
.THURSDAY...Northwest winds 10 to 20 kt. Waves 3 to 5 ft.

$$

LMZ761-230415-
MAFOR 2223/
MICHIGAN NORTH 11530 11520 11620 11610 11600 11510 11410 11420.
Waves 3 to 5 feet subsiding to 1 to 3 feet tonight. Waves 1 to 3
feet Sunday.

MICHIGAN SOUTH 11530 11520 11620 11610 13510 11410. Waves 4 to 7
feet subsiding to 2 to 4 feet tonight. Waves 1 to 3 feet Sunday.

$$


Boxell

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

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