850
FZUS63 KMKX 170808
GLFLM

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

High pressure around 30.2 inches over the Northeast and low
pressure around 29.3 inches over eastern Montana will remain
fairly stationary into Wednesday. The high will weaken to around
30.0 inches Thursday, with the low strengthening to around 29.2
inches. Light to modest south to southeast winds are generally
expected over the lake during this time. Low pressure may approach
the region sometime this weekend.

LMZ261-362-364-366-563-565-567-868-171515-
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-
308 AM CDT Tue Sep 17 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...South winds 10 to 15 kt. Waves 1 to 3 ft.
.TONIGHT...Southeast winds 5 to 10 kt becoming south. Waves 1 to
2 ft.
.WEDNESDAY...South winds 5 to 10 kt backing to east. Waves 1 to
2 ft.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 kt becoming southeast.
Waves 1 ft or less.
.THURSDAY...Southeast winds 5 to 10 kt becoming south. Waves 1 ft
or less.
.THURSDAY NIGHT...Southeast winds 5 to 10 kt increasing to 10 to
15 kt. Waves 1 to 2 ft.
.FRIDAY...South winds 10 to 20 kt. Chance of showers and
thunderstorms. Waves 1 to 3 ft.
.SATURDAY...South winds 10 to 15 kt. Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-171515-
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-
308 AM CDT Tue Sep 17 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...Southeast winds 10 to 15 kt backing to north. Waves 1 to
2 ft.
.TONIGHT...Northeast winds 5 to 10 kt veering to southeast. Waves
1 to 2 ft.
.WEDNESDAY...Southeast winds 5 to 10 kt becoming east. Waves 1 to
2 ft.
.WEDNESDAY NIGHT...Northeast winds 5 to 10 kt becoming east.
Waves 1 ft or less.
.THURSDAY...Southeast winds 5 to 10 kt. Waves 1 ft or less.
.THURSDAY NIGHT...East winds 5 to 10 kt becoming southeast 10 to
15 kt. Waves 1 to 2 ft.
.FRIDAY...South winds 10 to 15 kt becoming southeast. Waves 1 to
3 ft.
.SATURDAY...Southeast winds 10 to 15 kt. Waves 1 to 3 ft.

$$

LMZ761-171515-
MAFOR 1710/
MICHIGAN NORTH 13410 11510 12300 12310. Waves 2 feet or less.

MICHIGAN SOUTH 12310 11200 13100 11210 11310. Waves 2 feet or
less.

$$
Wood

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

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