198
FZUS63 KMKX 091350
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
850 AM CDT Thu May 9 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 be replaced by weak high pressure of 29.9
inches over Lake Michigan later today and into tonight. There
should be extensive cloud cover over most of the lake, save for
the north end, with areas of light rain mainly over the southern
half of the lake during this time. Gusty north to northeast winds
to around 20 knots, with occasional higher gusts, will occur over
the lake, mainly late this morning into the evening. Gusts should
then taper off tonight.

Friday should be dry before the next low pressure system moves
into the Great Lakes Friday night with increasing winds and
another chance for rain.

LMZ261-362-364-366-563-565-567-868-092115-
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-
850 AM CDT Thu May 9 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Northeast winds 10 to 20 kt increasing to 15 to
25 kt. Slight chance of showers this afternoon. Waves 2 to 4 ft.
.TONIGHT...North winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 2 to 4 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 15 kt becoming southwest.
Chance of rain showers. Waves 1 to 2 ft.
.SATURDAY...North winds 10 to 15 kt becoming northwest 10 to
20 kt. Waves 1 to 3 ft.
.SATURDAY NIGHT...West winds 10 to 15 kt becoming southwest.
Waves 1 to 2 ft.
.SUNDAY...South winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 1 to 3 ft building to 2 to 4 ft.
.MONDAY...Southwest winds 10 to 20 kt. Waves 2 to 4 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-092115-
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-
850 AM CDT Thu May 9 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Northeast winds 10 to 20 kt becoming north 15 to
25 kt. Chance of showers. Waves 3 to 5 ft.
.TONIGHT...North winds 15 to 25 kt diminishing to 10 to 15 kt.
Slight chance of rain showers in the evening. Waves 3 to 5 ft.
.FRIDAY...North winds 10 to 15 kt backing to southwest. Waves
1 to 3 ft.
.FRIDAY NIGHT...South winds 10 to 15 kt becoming west. Chance of
showers. Waves 1 to 2 ft.
.SATURDAY...Northwest winds 10 to 20 kt becoming north. Waves
2 to 4 ft.
.SATURDAY NIGHT...West winds 10 to 15 kt becoming southwest 5 to
10 kt. Waves 2 to 4 ft subsiding to 1 to 2 ft.
.SUNDAY...South winds 10 to 20 kt. Waves 1 to 3 ft building to
2 to 4 ft.
.MONDAY...Southwest winds 10 to 20 kt becoming south. Waves 2 to
4 ft.

$$

LMZ761-092115-
MAFOR 0916/
MICHIGAN NORTH 12130 12830 12820 11810 11710. Waves 1 to 3 feet
building to 2 to 4 feet this afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet tonight. Waves 2 feet or less Friday
morning.

MICHIGAN SOUTH 11136 13830 11820 13810. Waves 1 to 3 feet
building to 2 to 4 feet this afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet tonight. Waves 1 to 3 feet Friday
morning.

$$


Halbach

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

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