Great Lakes Forecast
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449
FZUS63 KMKX 160136
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
836 PM CDT Wed May 15 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 of 30.1 inches centered well to the north will
retreat northward with time ahead of approaching low pressure 29.6
inches that will approach western Lake Superior from southeastern
North Dakota through the overnight hours. Breezy north winds will
ease tonight and become light and southeasterly by daybreak on
Thursday. Winds will then remain light and southeasterly to
southerly as the low pressure slowly moves northeast of Lake
Superior through Thursday into Friday night. Some strong
thunderstorms may occur Thursday afternoon and evening over the
southern two thirds of Lake Michigan as the low pressure drags a
weak front over the lake.

LMZ261-362-364-366-563-565-567-868-160915-
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-
836 PM CDT Wed May 15 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...Northeast winds 10 to 20 kt veering to east
10 to 15 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.THURSDAY...Southeast winds 10 to 15 kt becoming east 10 to
20 kt. Slight chance of rain showers and thunderstorms in the
afternoon. Waves 1 to 3 ft.
.THURSDAY NIGHT...Southeast winds 10 to 20 kt becoming south
10 to 15 kt after midnight, then diminishing to 5 to 10 kt late.
Chance of showers and thunderstorms. Waves 1 to 3 ft subsiding to
1 to 2 ft.
.FRIDAY...Southwest winds 5 to 10 kt becoming south 10 to 15 kt.
Waves 1 to 2 ft.
.FRIDAY NIGHT...East winds 5 to 10 kt. Waves 1 ft or less.
.SATURDAY...East winds 10 to 15 kt becoming northeast. Waves 1 to
2 ft.
.SATURDAY NIGHT...Southeast winds 10 to 15 kt becoming southwest.
Chance of showers. Waves 1 to 2 ft.
.SUNDAY...West winds 10 to 15 kt becoming southwest 10 to 20 kt.
Waves 1 to 2 ft.
.MONDAY...South winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-160915-
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-
836 PM CDT Wed May 15 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...North winds 10 to 20 kt veering to southeast.
Waves 2 to 4 ft subsiding to 1 to 3 ft.
.THURSDAY...Southeast winds 10 to 20 kt. Chance of showers and
slight chance of thunderstorms in the afternoon. Waves 1 to 2 ft.
.THURSDAY NIGHT...Southeast winds 10 to 15 kt becoming south.
Chance of showers and thunderstorms. Waves 1 to 2 ft.
.FRIDAY...South winds 5 to 10 kt backing to east. Waves 1 to
2 ft.
.FRIDAY NIGHT...Northeast winds 5 to 10 kt. Waves 1 ft or less.
.SATURDAY...Northeast winds 10 to 15 kt becoming north. Waves
1 to 2 ft.
.SATURDAY NIGHT...Southeast winds 10 to 15 kt veering to west.
Waves 1 to 2 ft.
.SUNDAY...Northwest winds 10 to 15 kt. Waves 1 to 2 ft.
.MONDAY...South winds 10 to 15 kt increasing to 10 to 20 kt.
Chance of showers. Waves 1 to 3 ft.

$$

LMZ761-160915-
MAFOR 1604/
MICHIGAN NORTH 11110 11210 12310 11210 11220 12320. A chance of
showers and thunderstorms Thursday evening. Waves 2 feet or less
overnight and Thursday. Waves 1 to 3 feet Thursday evening.

MICHIGAN SOUTH 11110 11210 11310 11320 13310 11410. A chance of
showers Thursday afternoon. A chance of showers and thunderstorms
Thursday evening. Waves 1 to 3 feet overnight. Waves 2 feet or
less Thursday and Thursday evening.

$$


DDV

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

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