779
FZUS63 KMKX 081346
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
846 AM CDT Wed May 8 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 of 29.5 inches over Lake Huron will continue east,
reaching the Atlantic Ocean tonight. Meanwhile, another low pressure
of 29.5 inches over the central Plains drifts northeastward,
reaching Illinois / Indiana tonight. Variable winds up to 15 kts are
expected over the lake today between the two pressure systems,
followed by steady northeast winds to 20 kts tonight as the second
low pressure approaches. Low pressure continues eastward on
Thursday, with winds gradually backing north, accelerating to around
25 kts over the southern half of the lake. North winds decelerate
Thursday night as high pressure of 30.0 inches approaches the Upper
Great Lakes.

LMZ261-362-364-366-563-565-567-868-082130-
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-
846 AM CDT Wed May 8 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...West winds 10 to 20 kt becoming north. Chance of
rain showers through mid morning. Waves 2 to 4 ft subsiding to
1 to 2 ft.
.TONIGHT...North winds 10 to 20 kt becoming northeast. Chance of
rain showers overnight. Waves 1 to 3 ft.
.THURSDAY...Northeast winds 10 to 20 kt becoming north 15 to
25 kt. Chance of rain showers. Waves 3 to 5 ft.
.THURSDAY NIGHT...North winds 10 to 20 kt. Waves 3 to 5 ft
subsiding to 1 to 3 ft.
.FRIDAY...Northwest winds 10 to 15 kt backing to southwest. Waves
1 to 3 ft.
.FRIDAY NIGHT...South winds 10 to 20 kt. Chance of rain showers.
Waves 1 to 3 ft.
.SATURDAY...North winds 10 to 20 kt becoming northwest. Waves
1 to 3 ft.
.SUNDAY...Southwest winds 10 to 20 kt. Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-082130-
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-
846 AM CDT Wed May 8 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Southwest winds 10 to 15 kt veering to northeast
10 to 20 kt. Waves 1 to 2 ft.
.TONIGHT...Northeast winds 10 to 20 kt. Chance of rain showers
and slight chance of thunderstorms overnight. Waves 2 to 4 ft.
.THURSDAY...Northeast winds 15 to 25 kt becoming north to 30 kt.
Showers likely. Waves 4 to 6 ft occasionally to 8 ft.
.THURSDAY NIGHT...North winds 15 to 25 kt diminishing to 10 to
20 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft.
.FRIDAY...North winds 10 to 15 kt backing to southwest. Waves
2 to 4 ft.
.FRIDAY NIGHT...South winds 10 to 20 kt becoming southwest 15 to
25 kt. Showers likely. Waves 1 to 3 ft.
.SATURDAY...Northwest winds 15 to 25 kt diminishing to 10 to
20 kt. Waves 2 to 4 ft.
.SUNDAY...West winds 10 to 20 kt becoming south. Waves 1 to 3 ft.


$$

LMZ761-082130-
MAFOR 0816/
MICHIGAN NORTH 11720 12810 14120 11120. A chance of showers
overnight and Thursday morning. Waves 2 feet or less this
afternoon. Waves 1 to 3 feet tonight. Waves 1 to 3 feet building
to 2 to 4 feet Thursday morning.

MICHIGAN SOUTH 11610 11110 12120 12130 12136. Waves 2 feet or
less this afternoon. Waves 1 to 3 feet tonight. Waves 2 to 4 feet
Thursday morning.

$$


Sheppard

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

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