327
FZUS63 KMKX 221347
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
847 AM CDT Sun Sep 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 29.7 inches has lifted into Ontario. A
trailing cold front will push southeastward across Lake Michigan
this morning into this afternoon, with widespread showers and
thunderstorms ahead of and along this front. Southwesterly winds
will become northerly behind the front this afternoon into
tonight. Winds are expected to become gusty, with gusts up to 30
knots expected and an occasional gale force gust possible. The
potential for gale force gusts is higher in the southern half. Winds
diminish into Monday as high pressure builds in across the Great
Lakes region, but the northerly component will persist through
Tuesday.

LMZ261-362-364-366-563-565-567-868-222130-
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-
847 AM CDT Sun Sep 22 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...West winds 10 to 15 kt becoming northwest 15 to
25 kt late this morning, then becoming north early this afternoon
increasing to 30 kt late. Showers with a chance of thunderstorms.
Waves 1 to 2 ft building to 5 to 8 ft occasionally to 10 ft.
.TONIGHT...North winds to 30 kt diminishing to 15 to 25 kt.
Slight chance of showers and thunderstorms in the evening. Waves
6 to 9 ft occasionally to 12 ft.
.MONDAY...Northeast winds 10 to 20 kt. Waves 4 to 7 ft
occasionally to 9 ft subsiding to 3 to 5 ft.
.MONDAY NIGHT...Northeast winds 10 to 20 kt becoming east 10 to
15 kt. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.TUESDAY...East winds 10 to 15 kt becoming northeast. Chance of
showers in the afternoon. Waves 1 to 3 ft.
.TUESDAY NIGHT...Northeast winds 10 to 20 kt becoming north 10 to
15 kt. Waves 1 to 3 ft.
.WEDNESDAY...North winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 2 ft.
.THURSDAY...Northeast winds 10 to 15 kt. Waves 1 to 2 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-222130-
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-
847 AM CDT Sun Sep 22 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Southwest winds 10 to 15 kt increasing to 10 to
20 kt late this morning, then becoming west 15 to 25 kt early
this afternoon becoming northwest to 30 kt late. Showers with a
chance of thunderstorms. Waves 1 to 3 ft building to 4 to 7 ft
occasionally to 9 ft.
.TONIGHT...North winds to 30 kt diminishing to 15 to 25 kt.
Chance of showers and slight chance of thunderstorms in the
evening. Waves 7 to 10 ft occasionally to 13 ft.
.MONDAY...Northeast winds 15 to 25 kt becoming north 10 to 20 kt.
Waves 6 to 9 ft occasionally to 12 ft subsiding to 3 to 5 ft.
.MONDAY NIGHT...Northeast winds 10 to 20 kt becoming east 10 to
15 kt. Waves 3 to 5 ft.
.TUESDAY...East winds 10 to 15 kt becoming northeast. Chance of
showers. Waves 2 to 4 ft.
.TUESDAY NIGHT...North winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 1 to 3 ft.
.WEDNESDAY...North winds 10 to 15 kt. Waves 1 to 3 ft.
.THURSDAY...Northeast winds 10 to 15 kt. Waves 1 to 3 ft.

$$

LMZ761-222130-
MAFOR 2216/
MICHIGAN NORTH 11836 11846 12840 13830 11120. A chance of
thunderstorms this afternoon. Waves 1 to 3 feet building to 4 to
7 feet this afternoon. Waves 5 to 8 feet tonight. Waves 3 to 6
feet Monday morning.

MICHIGAN SOUTH 11626 11746 11846 13840 11130 11120. A chance of
thunderstorms this afternoon. Waves 1 to 2 feet building to 4 to
7 feet this afternoon. Waves 6 to 10 feet tonight. Waves 5 to 8
feet Monday morning.

$$


MH

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

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