187
FZUS63 KMKX 170757
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
257 AM CDT Sat Aug 17 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 near 29.7 inches over northern Lake Michigan will
progress to southern Lake Huron by this evening. Winds will become
northerly today and increase Sunday. The winds will gradually
weaken early next week as high pressure of 30.1 inches overspreads
the region by Tuesday. Scattered thunderstorms can be expected
over Lake Michigan this afternoon and evening.

LMZ261-362-364-366-563-565-567-868-171545-
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-
257 AM CDT Sat Aug 17 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...North winds 10 to 15 kt increasing to 10 to 20 kt.
Patchy dense fog. Chance of showers and thunderstorms. Waves 1 to
3 ft.
.TONIGHT...North winds 10 to 20 kt increasing to 15 to 25 kt.
Slight chance of showers and thunderstorms. Waves 3 to 5 ft.
.SUNDAY...North winds 15 to 25 kt increasing to 30 kt. Waves 4 to
7 ft occasionally to 9 ft.
.SUNDAY NIGHT...North winds to 30 kt diminishing to 15 to 25 kt.
Waves 4 to 7 ft occasionally to 9 ft.
.MONDAY...North winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 4 to 6 ft occasionally to 8 ft.
.MONDAY NIGHT...North winds 10 to 20 kt becoming northeast 10 to
15 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.TUESDAY...Northeast winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft.
.WEDNESDAY...South winds 5 to 10 kt increasing to 10 to 15 kt.
Waves 1 to 2 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-171545-
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-
257 AM CDT Sat Aug 17 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...West winds 10 to 20 kt becoming northwest. Chance of
showers and thunderstorms this afternoon. Waves 2 to 4 ft.
.TONIGHT...Northwest winds 10 to 20 kt becoming north 15 to
25 kt. Chance of showers and thunderstorms. Waves 3 to 5 ft.
.SUNDAY...North winds 15 to 25 kt increasing to 30 kt. Chance of
showers. Waves 4 to 6 ft occasionally to 8 ft building to 6 to
9 ft occasionally to 12 ft.
.SUNDAY NIGHT...North winds to 30 kt diminishing to 15 to 25 kt.
Waves 6 to 9 ft occasionally to 12 ft.
.MONDAY...North winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 4 to 7 ft occasionally to 9 ft.
.MONDAY NIGHT...North winds 15 to 25 kt becoming northeast 10 to
20 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to
5 ft.
.TUESDAY...Northeast winds 10 to 15 kt becoming north 10 to
20 kt. Waves 2 to 4 ft.
.WEDNESDAY...Southeast winds 5 to 10 kt increasing to 10 to
15 kt. Waves 1 to 2 ft.

$$

LMZ761-171545-
MAFOR 1710/
MICHIGAN NORTH 12810 19814 11820 19824 14820 11820. A chance of
showers and thunderstorms today. Waves 2 feet or less today.
Waves 1 to 3 feet building to 2 to 4 feet tonight.

MICHIGAN SOUTH 11620 14720 13820. A chance of showers and
thunderstorms today and tonight. Waves 1 to 3 feet building to 2
to 4 feet today. Waves 2 to 4 feet tonight.

$$


Cronce

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

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