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000
FZUS63 KMKX 191353
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
853 AM CDT Fri Apr 19 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...

A high pressure of 30.3 over the central US and low pressure of
29.6 over western Ontario will contribute to gusty west/northwest
winds for today. Winds will calm with the ridge`s progression into
the area by late Saturday, before ramping back up out of the
southwest moving into the next week with an approaching low to the
northwest.

LMZ080-669-671-673-675-777-779-870-872-874-876-878-192130-
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-
853 AM CDT Fri Apr 19 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Northwest winds 15 to 25 kt becoming west to
30 kt. Waves 3 to 5 ft.
.TONIGHT...West winds 15 to 25 kt increasing to 30 kt. Waves 4 to
7 ft occasionally to 9 ft.
.SATURDAY...West winds to 30 kt diminishing to 10 to 20 kt. Waves
5 to 8 ft occasionally to 10 ft subsiding to 3 to 5 ft.
.SATURDAY NIGHT...West winds 10 to 15 kt increasing to 10 to
20 kt. Waves 2 to 4 ft.
.SUNDAY...West winds 10 to 20 kt becoming southwest. Waves 3 to
5 ft.
.SUNDAY NIGHT...Southwest winds 10 to 15 kt becoming west. Waves
2 to 4 ft subsiding to 1 to 3 ft.
.MONDAY...Southwest winds 10 to 15 kt becoming south 10 to 20 kt.
Waves 1 to 2 ft building to 2 to 4 ft.
.TUESDAY...Southwest winds to 30 kt becoming west. Rain showers
likely. Waves 4 to 6 ft occasionally to 8 ft.

$$

LMZ261-362-364-366-563-565-567-868-192130-
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-
853 AM CDT Fri Apr 19 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...West winds 15 to 25 kt increasing to 30 kt.
Waves 3 to 5 ft building to 4 to 6 ft occasionally to 8 ft.
.TONIGHT...West winds 15 to 25 kt. Waves 4 to 6 ft occasionally
to 8 ft.
.SATURDAY...West winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft.
.SATURDAY NIGHT...West winds 10 to 20 kt. Waves 2 to 4 ft.
.SUNDAY...West winds 15 to 25 kt. Waves 3 to 5 ft.
.SUNDAY NIGHT...North winds 10 to 20 kt becoming northeast 10 to
15 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.MONDAY...Southeast winds 10 to 15 kt becoming south 10 to 20 kt.
Waves 1 to 2 ft building to 2 to 4 ft.
.TUESDAY...South winds to 30 kt veering to northwest. Rain
showers likely. Waves 4 to 6 ft occasionally to 8 ft.

$$

LMZ761-192130-
MAFOR 1916/
MICHIGAN NORTH 12640 15630. Waves 2 to 4 feet building to 3 to 5
feet this afternoon. Waves 3 to 6 feet tonight and Saturday
morning.

MICHIGAN SOUTH 12640 15630. Waves 3 to 5 feet subsiding to 2 to 4
feet, then building to 3 to 5 feet this afternoon. Waves 2 to 4
feet building to 3 to 6 feet tonight. Waves 4 to 7 feet Saturday
morning.

$$


Gertonson

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

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