679
FZUS63 KMKX 080321
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
1021 PM CDT Tue May 7 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 will continue to weaken across the northern Great
Lakes tonight and Wednesday with relatively light to modest winds.
Modest to brisk northeast to north winds will then develop for
Wednesday night and Thursday as low pressure around 29.5 inches
moves across the Ohio River Valley.

LMZ261-362-364-366-563-565-567-868-081000-
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-
1021 PM CDT Tue May 7 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...East winds 15 to 25 kt veering to west 10 to
20 kt. Patchy fog. Numerous rain showers and slight chance of
thunderstorms late this evening, then scattered rain showers with
a chance of thunderstorms overnight. Waves 2 to 4 ft subsiding to
1 to 3 ft.
.WEDNESDAY...West winds 10 to 20 kt veering to north. Chance of
rain showers in the morning. Waves 2 to 4 ft subsiding to 1 to
3 ft.
.WEDNESDAY NIGHT...Northeast winds 10 to 20 kt increasing to
15 to 25 kt. Chance of rain showers overnight. Waves 1 to 3 ft
building to 3 to 5 ft.
.THURSDAY...Northeast winds 15 to 25 kt becoming north. Chance of
rain showers in the morning. Waves 4 to 6 ft occasionally to
8 ft.
.THURSDAY NIGHT...North winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.FRIDAY...Northwest winds 10 to 15 kt backing to southwest 10 to
20 kt. Waves 1 to 3 ft.
.FRIDAY NIGHT...Southwest winds 10 to 15 kt. Chance of rain
showers. Waves 1 to 3 ft.
.SATURDAY...Northwest winds 10 to 20 kt. Waves 1 to 3 ft.
.SUNDAY...Southwest winds 10 to 20 kt becoming south. Waves 1 to
3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-081000-
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-
1021 PM CDT Tue May 7 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...Southwest winds 10 to 20 kt. Scattered rain
showers with a chance of thunderstorms late this evening. Patchy
fog. Waves 1 to 3 ft.
.WEDNESDAY...Southwest winds 10 to 20 kt veering to northeast.
Waves 1 to 2 ft.
.WEDNESDAY NIGHT...Northeast winds 10 to 20 kt increasing to
15 to 25 kt. Chance of rain showers in the evening, then rain
showers likely overnight. Waves 1 to 3 ft building to 3 to 5 ft.
.THURSDAY...Northeast winds 15 to 25 kt becoming north to 30 kt.
Rain showers likely in the morning, then chance of rain showers
in the afternoon. Waves 4 to 6 ft occasionally to 8 ft building
to 5 to 8 ft occasionally to 10 ft.
.THURSDAY NIGHT...North winds 15 to 25 kt diminishing to 10 to
20 kt. Chance of rain showers in the evening. Waves 5 to 8 ft
occasionally to 10 ft subsiding to 4 to 6 ft occasionally to
8 ft.
.FRIDAY...Northwest winds 10 to 20 kt becoming west. Waves 2 to
4 ft.
.FRIDAY NIGHT...South winds 10 to 15 kt becoming southwest 10 to
20 kt. Chance of showers. Waves 2 to 4 ft.
.SATURDAY...Northwest winds 10 to 20 kt. Waves 1 to 3 ft.
.SUNDAY...West winds 10 to 20 kt becoming south. Waves 1 to 3 ft.


$$

LMZ761-081000-
MAFOR 0804/
MICHIGAN NORTH 11430 19436 11520 19526 11620 19626 11620 11720
11810 11820 11120. Waves 1 to 3 feet.

MICHIGAN SOUTH 13520 11510 11610 11110 12120. A chance of showers
Wednesday evening. Waves 2 feet or less overnight and Wednesday.
Waves 1 to 3 feet building to 2 to 4 feet Wednesday evening.

$$


Gehring

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

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