036
FZUS63 KMKX 222056
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
256 PM CST Wed Jan 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...

Low pressure of 29.9 inches over Lake Superior this afternoon
will gradually weaken as it tracks east-southeast across the
northern Great Lakes into tonight. Winds this afternoon while
remaining breezy with the strong pressure gradient between the low
and the high pressure of 30.5 inches in the mid Atlantic, have
fallen below gale. A cold front will then shift the winds to brisk
northwesterly late this evening and overnight and continue
through Thursday. A Heavy Freezing Spray Warning will continue
until 0z due to the frigid temperatures, breezy winds, and high
wave heights.

Higher pressure of 30.4 inches will push in behind the exiting low
Thursday into Friday.

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-
256 PM CST Wed Jan 22 2025

SHEBOYGAN WI TO PENTWATER MI NORTH...

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 6 PM CST THIS
EVENING...

.TONIGHT...West winds 15 to 25 kt veering to northwest to 30 kt.
Chance of snow this evening, then chance of flurries and slight
chance of light freezing rain overnight. Waves 7 to 10 ft
occasionally to 13 ft subsiding to 4 to 7 ft occasionally to
9 ft.
.THURSDAY...Northwest winds to 30 kt diminishing to 10 to 20 kt.
Freezing spray in the morning. Chance of flurries in the morning,
then slight chance of snow in the afternoon. Waves 4 to 7 ft
occasionally to 9 ft.
.THURSDAY NIGHT...Northwest winds 10 to 20 kt becoming west 10 to
15 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 1 to
3 ft.
.FRIDAY...West winds 10 to 20 kt becoming southwest to 30 kt in
the afternoon. Waves 1 to 3 ft building to 3 to 5 ft.
.FRIDAY NIGHT...Southwest gales to 35 kt. Chance of flurries.
Waves 6 to 9 ft occasionally to 12 ft.
.SATURDAY...Southwest winds to 30 kt becoming west. Chance of
flurries. Waves 5 to 8 ft occasionally to 10 ft.
.SATURDAY NIGHT...West winds to 30 kt. Waves 5 to 8 ft
occasionally to 10 ft.
.SUNDAY...West winds 15 to 25 kt increasing to 30 kt. Waves 4 to
6 ft occasionally to 8 ft.
.MONDAY...West winds to 30 kt. Chance of flurries. Waves 4 to
7 ft occasionally to 9 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-
256 PM CST Wed Jan 22 2025

SHEBOYGAN WI TO PENTWATER MI SOUTH...

...HEAVY FREEZING SPRAY WARNING IN EFFECT UNTIL 6 PM CST THIS
EVENING...

.TONIGHT...Southwest winds to 30 kt veering to northwest 15 to
25 kt. Snow likely this evening, then chance of snow overnight.
Waves 7 to 10 ft occasionally to 13 ft subsiding to 4 to 6 ft
occasionally to 8 ft.
.THURSDAY...Northwest winds 15 to 25 kt. Freezing spray. Chance
of snow and slight chance of light freezing rain in the morning,
then slight chance of snow in the afternoon. Waves 5 to 8 ft
occasionally to 10 ft.
.THURSDAY NIGHT...Northwest winds 10 to 20 kt becoming west 10 to
15 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to
4 ft.
.FRIDAY...West winds 10 to 20 kt becoming southwest. Waves 2 to
4 ft building to 3 to 5 ft.
.FRIDAY NIGHT...Southwest winds to 30 kt. Chance of flurries
overnight. Waves 7 to 10 ft occasionally to 13 ft.
.SATURDAY...Southwest winds 15 to 25 kt becoming west to 30 kt.
Chance of flurries in the morning. Waves 6 to 9 ft occasionally
to 12 ft.
.SATURDAY NIGHT...West winds to 30 kt becoming northwest 15 to
25 kt. Waves 5 to 8 ft occasionally to 10 ft.
.SUNDAY...West winds 10 to 20 kt. Waves 4 to 7 ft occasionally to
9 ft.
.MONDAY...West winds 15 to 25 kt increasing to 30 kt. Chance of
flurries. Waves 5 to 8 ft occasionally to 10 ft.

$$

LMZ761-230415-
MAFOR 2223/
MICHIGAN NORTH 11530 11630 11720 12730 12830 11730. A chance of
snow this evening. Waves 5 to 9 feet subsiding to 3 to 6 feet
tonight. Waves 3 to 6 feet Thursday.

MICHIGAN SOUTH 12547 11537 11630 14730. Waves 6 to 10 feet
subsiding to 3 to 6 feet tonight. Waves 5 to 8 feet Thursday.

$$


Kuroski

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

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