155
FZUS63 KMKX 301943
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
243 PM CDT Tue Apr 30 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...

Southeast to south winds will increase tonight, as low pressure
of 29.5 inches lifts northeast through northern Wisconsin. Breezy
west to southwest winds are expected on Wednesday behind the
departing low and as high pressure of 30.0 inches builds in from
the west. Another low of 29.6 inches will lift through Wisconsin
Thursday into Thursday night, bringing breezy east to southwest
winds to the lake.

LMZ261-362-364-366-563-565-567-868-010315-
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-
243 PM CDT Tue Apr 30 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...South winds 10 to 15 kt becoming southeast late this
evening, then increasing to 10 to 20 kt after midnight increasing
to 15 to 25 kt late. Chance of rain showers and slight chance of
thunderstorms overnight. Waves 1 to 3 ft building to 3 to 5 ft.
.WEDNESDAY...South winds 15 to 25 kt becoming west. Chance of
rain showers in the morning. Waves 3 to 5 ft.
.WEDNESDAY NIGHT...West winds 10 to 20 kt becoming north 10 to
15 kt. Waves 3 to 5 ft subsiding to 1 to 3 ft.
.THURSDAY...North winds 10 to 20 kt becoming east 10 to 15 kt.
Chance of rain showers. Waves 1 to 2 ft building to 1 to 3 ft.
.THURSDAY NIGHT...East winds 10 to 20 kt becoming southeast.
Showers in the evening, then showers with a chance of
thunderstorms overnight. Waves 2 to 4 ft.
.FRIDAY...South winds 10 to 20 kt becoming southwest. Showers
likely in the morning, then chance of showers in the afternoon.
Waves 2 to 4 ft.
.FRIDAY NIGHT...Southwest winds 10 to 15 kt becoming northwest.
Waves 1 to 3 ft.
.SATURDAY...Northeast winds 10 to 15 kt. Waves 1 to 2 ft.
.SUNDAY...Northwest winds 10 to 15 kt backing to southwest 10 to
20 kt. Waves 1 to 2 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-010315-
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-
243 PM CDT Tue Apr 30 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...Southeast winds 10 to 15 kt becoming south 10 to 20 kt
after midnight, then increasing to 15 to 25 kt late. Chance of
rain showers and slight chance of thunderstorms overnight. Waves
2 to 4 ft building to 3 to 5 ft.
.WEDNESDAY...Southwest winds 15 to 25 kt becoming west. Waves
3 to 5 ft.
.WEDNESDAY NIGHT...West winds 10 to 15 kt veering to northeast
5 to 10 kt. Waves 2 to 4 ft subsiding to 1 to 2 ft.
.THURSDAY...East winds 10 to 15 kt increasing to 10 to 20 kt.
Chance of rain showers. Waves 1 to 3 ft building to 2 to 4 ft.
.THURSDAY NIGHT...Southeast winds 10 to 20 kt becoming south.
Showers likely in the evening, then showers likely with a chance
of thunderstorms overnight. Waves 2 to 4 ft.
.FRIDAY...Southwest winds 10 to 20 kt becoming west 10 to 15 kt.
Showers likely in the morning, then chance of showers in the
afternoon. Waves 2 to 4 ft.
.FRIDAY NIGHT...Northwest winds 10 to 15 kt becoming north. Waves
1 to 3 ft subsiding to 1 to 2 ft.
.SATURDAY...Northeast winds 10 to 15 kt becoming north. Waves
1 to 2 ft.
.SUNDAY...North winds 10 to 15 kt becoming northeast. Waves 1 to
3 ft.

$$

LMZ761-010315-
MAFOR 3022/
MICHIGAN NORTH 11410 11310 11320 11336 11430 11520 11530 11630.
Waves 2 feet or less building to 2 to 4 feet tonight. Waves 2 to
4 feet Wednesday.

MICHIGAN SOUTH 12310 11320 11430 12530 12630. A chance of showers
overnight. Waves 1 to 3 feet building to 2 to 4 feet tonight.
Waves 3 to 5 feet subsiding to 2 to 4 feet Wednesday.

$$


Boxell

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

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