Great Lakes Forecast
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628
FZUS63 KMKX 191410
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
910 AM CDT Wed Jun 19 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...

A cold front will gradually sink east southeast over Lake
Michigan today, as low pressure around 29.6 inches approaches
James Bay. Modest southerly to southwesterly winds will prevail
today, until winds come around to the north tonight following the
front. In the post-frontal air mass, some areas of marine fog may
form tonight.

North to northeast winds should then linger into Thursday night,
as high pressure around 30.4 inches moves into Lake Superior.

LMZ261-362-364-366-563-565-567-868-192115-
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-
910 AM CDT Wed Jun 19 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Southwest winds to 30 kt diminishing to 10 to
20 kt. Chance of showers and slight chance of thunderstorms this
afternoon. Waves 4 to 7 ft occasionally to 9 ft subsiding to 2 to
4 ft.
.TONIGHT...Northwest winds 10 to 15 kt becoming northeast 10 to
20 kt. Patchy fog in the evening, then areas of fog overnight.
Slight chance of showers and thunderstorms in the evening, then
chance of showers and slight chance of thunderstorms overnight.
Waves 2 to 4 ft subsiding to 1 to 3 ft.
.THURSDAY...Northeast winds 15 to 25 kt diminishing to 10 to
20 kt. Patchy fog in the morning. Chance of showers in the
morning. Waves 2 to 4 ft.
.THURSDAY NIGHT...Northeast winds 10 to 15 kt. Chance of showers
and thunderstorms. Waves 1 to 3 ft.
.FRIDAY...Northeast winds 10 to 15 kt. Chance of showers. Waves
1 to 2 ft.
.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 with a chance of thunderstorms. Waves 1 to 3 ft building
to 3 to 5 ft.
.SUNDAY...West winds 10 to 20 kt becoming northwest 15 to 25 kt.
Waves 2 to 4 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-192115-
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-
910 AM CDT Wed Jun 19 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...South winds 10 to 20 kt diminishing to 10 to
15 kt. Chance of showers and slight chance of thunderstorms this
afternoon. Waves 3 to 5 ft subsiding to 1 to 3 ft.
.TONIGHT...North winds 10 to 15 kt increasing to 10 to 20 kt.
Patchy fog. Chance of showers and slight chance of thunderstorms
in the evening, then slight chance of showers and thunderstorms
overnight. Waves 1 to 3 ft.
.THURSDAY...North winds 10 to 20 kt. Patchy fog in the morning.
Chance of showers in the morning. Waves 2 to 4 ft.
.THURSDAY NIGHT...North winds 10 to 15 kt diminishing to 5 to
10 kt. Waves 1 to 3 ft.
.FRIDAY...Northeast winds 5 to 10 kt. Waves 1 to 2 ft.
.FRIDAY NIGHT...East winds 5 to 10 kt veering to south 10 to
15 kt. Waves 1 to 2 ft.
.SATURDAY...South winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of showers. Waves 2 to 4 ft building to 3 to 5 ft.
.SUNDAY...West winds 10 to 20 kt becoming northwest. Waves 3 to
5 ft.

$$

LMZ761-192115-
MAFOR 1916/
MICHIGAN NORTH 11530 11520 11610 19614 11820 11124 11120 19124
11130 19134 11120 19124. A chance of showers this afternoon,
overnight, and Thursday morning. Waves 3 to 5 feet subsiding to 2
to 4 feet this afternoon. Waves 1 to 3 feet tonight and Thursday
morning.

MICHIGAN SOUTH 11420 11410 11510 19514 11810 19814 11820 19824
12820 11120. A chance of showers this afternoon, this evening,
and Thursday morning. Waves 2 to 4 feet subsiding to 1 to 3 feet
this afternoon. Waves 2 feet or less tonight. Waves 1 to 3 feet
Thursday morning.

$$
Wood

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

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