823
FZUS63 KMKX 240806
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
306 AM CDT Tue Sep 24 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...

Weak high pressure around 30.2 inches will remain northeast of
Lake Superior while low pressure around 29.7 inches tracks from
southern IL to southern lower MI today. This will bring the
chance for thunderstorms and waterspouts over southern Lake MI.
The low will also maintain modest east to northeast winds shifting
northerly for tonight and Wednesday as the low moves away.
Predominately north to northeast winds are expected across the
lake until Wednesday when they briefly take on a westerly
component. Light and variable winds are expected Wednesday night.


LMZ261-362-364-366-563-565-567-868-241530-
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-
306 AM CDT Tue Sep 24 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...East winds 10 to 15 kt becoming northeast. Slight chance
of showers this morning, then chance of showers this afternoon.
Waves 2 to 4 ft.
.TONIGHT...Northeast winds 10 to 20 kt becoming north 10 to
15 kt. Slight chance of showers in the evening. Waves 1 to 3 ft.
.WEDNESDAY...North winds 10 to 15 kt becoming northwest. Waves
2 to 4 ft.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 kt becoming west 5 to
10 kt. Waves 1 to 2 ft.
.THURSDAY...North winds 5 to 10 kt becoming northeast 10 to
15 kt. Waves 1 ft or less.
.THURSDAY NIGHT...East winds 5 to 10 kt increasing to 10 to
15 kt. Waves 1 to 2 ft.
.FRIDAY...East winds 10 to 15 kt becoming northeast 10 to 20 kt.
Waves 1 to 3 ft.
.SATURDAY...East winds 10 to 20 kt becoming northeast. Waves 2 to
4 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-241530-
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-
306 AM CDT Tue Sep 24 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...East winds 10 to 20 kt becoming northeast 10 to 15 kt.
Slight chance of waterspouts. Showers likely with slight chance
of thunderstorms. Waves 2 to 4 ft.
.TONIGHT...North winds 10 to 20 kt. Slight chance of waterspouts.
Chance of showers and slight chance of thunderstorms in the
evening, then chance of showers overnight. Waves 2 to 4 ft.
.WEDNESDAY...North winds 10 to 20 kt diminishing to 10 to 15 kt.
Waves 2 to 4 ft.
.WEDNESDAY NIGHT...North winds 10 to 15 kt becoming northeast
5 to 10 kt. Waves 1 to 3 ft subsiding to 1 to 2 ft.
.THURSDAY...Northeast winds 10 to 15 kt. Waves 1 to 2 ft.
.THURSDAY NIGHT...Northeast winds 10 to 20 kt becoming east.
Waves 2 to 4 ft.
.FRIDAY...Northeast winds 15 to 25 kt increasing to 30 kt. Waves
4 to 6 ft occasionally to 8 ft.
.SATURDAY...East winds 15 to 25 kt becoming northeast. Chance of
showers. Waves 4 to 6 ft occasionally to 8 ft.

$$

LMZ761-241530-
MAFOR 2410/
MICHIGAN NORTH 11310 12210 13110 12810. A chance of showers this
afternoon. Waves 1 to 3 feet today. Waves 2 feet or less tonight.

MICHIGAN SOUTH 13216 11116 14820. Waves 1 to 3 feet.

$$


Patterson

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

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