Great Lakes Forecast
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439
FZUS63 KMKX 190157
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
857 PM CDT Tue Jun 18 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 29.6 inches will move from northeast
Minnesota to near James Bay tonight. Gusty south winds are
expected to linger tonight into early Wednesday. Winds will
gradually ease Wednesday and shift to the north by Wednesday
evening, as a cold front sags into the region. North to northeast
winds should then linger into Thursday night, as high pressure
around 30.4 inches moves into Lake Superior.

LMZ261-362-364-366-563-565-567-868-190915-
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-
857 PM CDT Tue Jun 18 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...South winds 15 to 25 kt increasing to 30 kt.
Waves 5 to 8 ft occasionally to 10 ft.
.WEDNESDAY...Southwest winds to 30 kt diminishing to 10 to 20 kt.
Slight chance of showers and thunderstorms in the morning, then
chance of showers and slight chance of thunderstorms in the
afternoon. Waves 5 to 8 ft occasionally to 10 ft subsiding to 3 to
5 ft.
.WEDNESDAY NIGHT...North winds 10 to 20 kt diminishing to 5 to
10 kt late in the evening, then becoming northeast after midnight
increasing to 10 to 15 kt late. Chance of showers and
thunderstorms. Waves 2 to 4 ft subsiding to 1 to 2 ft.
.THURSDAY...Northeast winds 10 to 15 kt increasing to 10 to
20 kt. Chance of showers. Waves 1 to 3 ft.
.THURSDAY NIGHT...Northeast winds 10 to 15 kt diminishing to 5 to
10 kt. Chance of showers overnight. Waves 1 to 2 ft.
.FRIDAY...Northeast winds 5 to 10 kt increasing to 10 to 15 kt.
Chance of showers. Waves 1 ft or less.
.FRIDAY NIGHT...East winds 10 to 15 kt becoming southeast. Chance
of showers and thunderstorms. Waves 1 to 2 ft.
.SATURDAY...South winds 10 to 20 kt increasing to 15 to 25 kt.
Showers likely with a chance of thunderstorms. Waves 1 to 3 ft
building to 2 to 4 ft.
.SUNDAY...Southwest winds 15 to 25 kt becoming west. Chance of
showers. Waves 3 to 5 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-190915-
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-
857 PM CDT Tue Jun 18 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...South winds to 30 kt diminishing to 15 to
25 kt. Waves 4 to 6 ft occasionally to 8 ft.
.WEDNESDAY...South winds 15 to 25 kt diminishing to 10 to 15 kt.
Chance of showers and slight chance of thunderstorms in the
afternoon. Waves 4 to 6 ft occasionally to 8 ft subsiding to 2 to
4 ft.
.WEDNESDAY NIGHT...North winds 10 to 15 kt diminishing to 5 to
10 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft
subsiding to 1 to 2 ft.
.THURSDAY...North winds 10 to 15 kt. Waves 1 to 3 ft.
.THURSDAY NIGHT...North winds 10 to 15 kt diminishing to 5 to
10 kt. Waves 1 to 3 ft.
.FRIDAY...North winds 5 to 10 kt veering to east 10 to 15 kt.
Waves 1 to 2 ft.
.FRIDAY NIGHT...East winds 5 to 10 kt becoming south. Waves 1 to
2 ft.
.SATURDAY...South winds 10 to 20 kt. Waves 1 to 3 ft building to
2 to 4 ft.
.SUNDAY...West winds 15 to 25 kt. Waves 3 to 5 ft.

$$

LMZ761-190915-
MAFOR 1904/
MICHIGAN NORTH 13440 11540 12530 11720 11810. A chance of showers
Wednesday afternoon. A chance of showers and thunderstorms
Wednesday evening. Waves 4 to 7 feet overnight. Waves 4 to 7 feet
subsiding to 2 to 4 feet Wednesday. Waves 1 to 3 feet Wednesday
evening.

MICHIGAN SOUTH 11440 12430 12420 11410 12810. A chance of showers
Wednesday afternoon. A chance of showers and thunderstorms
Wednesday evening. Waves 3 to 5 feet overnight. Waves 3 to 5 feet
subsiding to 1 to 3 feet Wednesday. Waves 2 feet or less
Wednesday evening.

$$


Gehring

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

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