000
FZUS63 KMKX 100150
GLFLM

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

Southwest winds tonight through Wednesday as a broad low pressure
of 29.8 inches forms along the US-Canadian border. A second,
stronger area of low pressure will develop over the southern Great
Plains on Wednesday, deepening to near 29.4 inches as it
approaches the Ohio River early Thursday morning. Winds will shift
to the northeast and become gusty with gusts up to 30 kts
Thursday. Increasing winds are expected Thursday night into
Friday as the surface low deepens to near 28.9 inches over Lake
Huron. Widespread gusts exceeding 30 knots are expected during
this time period, with embedded gales possible on Friday morning,
afternoon, and evening. Trends will continue to be monitored over
the coming forecasts, with headlines possible should confidence
continue to increase. Gusts will begin to decrease late Friday
night into Saturday morning.

LMZ261-362-364-366-563-565-567-868-100930-
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 PM CDT Tue Apr 9 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TONIGHT...Southwest winds 10 to 15 kt. Waves 1 to 3 ft.
.WEDNESDAY...South winds 10 to 20 kt. Waves 2 to 4 ft.
.WEDNESDAY NIGHT...South winds 10 to 20 kt becoming southeast
10 to 15 kt after midnight, then becoming east 5 to 10 kt late.
Chance of rain showers overnight. Waves 1 to 3 ft subsiding to
1 to 2 ft.
.THURSDAY...Northeast winds 10 to 20 kt becoming north to 30 kt
in the afternoon. Rain showers likely in the morning, then rain
showers in the afternoon. Waves 2 to 4 ft building to 5 to 8 ft
occasionally to 10 ft.
.THURSDAY NIGHT...North winds to 30 kt becoming northwest gales
to 35 kt. Rain showers in the evening, then rain showers likely
overnight. Waves 7 to 10 ft occasionally to 13 ft.
.FRIDAY...Northwest gales to 45 kt. Chance of rain showers. Waves
8 to 11 ft occasionally to 14 ft.
.FRIDAY NIGHT...Northwest gales to 40 kt diminishing to 30 kt.
Waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to 6 ft
occasionally to 8 ft.
.SATURDAY...West winds 15 to 25 kt becoming southwest 10 to
20 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.SUNDAY...South winds 10 to 20 kt becoming southwest. Waves 2 to
4 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-100930-
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 PM CDT Tue Apr 9 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...Southwest winds 5 to 10 kt increasing to 10 to
15 kt. Waves 1 to 2 ft.
.WEDNESDAY...South winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 kt becoming northeast
10 to 20 kt. Rain showers likely overnight. Waves 1 to 3 ft.
.THURSDAY...Northeast winds to 30 kt becoming north. Rain
showers. Waves 4 to 7 ft occasionally to 9 ft building to 7 to
10 ft occasionally to 13 ft.
.THURSDAY NIGHT...Northwest winds to 30 kt increasing to gales to
35 kt. Rain showers. Waves 8 to 11 ft occasionally to 14 ft.
.FRIDAY...Northwest gales to 40 kt. Chance of rain showers. Waves
10 to 14 ft occasionally to 18 ft.
.FRIDAY NIGHT...Northwest winds to 30 kt becoming west 15 to
25 kt. Waves 6 to 9 ft occasionally to 12 ft subsiding to 4 to
6 ft occasionally to 8 ft.
.SATURDAY...West winds 10 to 20 kt backing to south. Waves 3 to
5 ft subsiding to 2 to 4 ft.
.SUNDAY...Southwest winds 15 to 25 kt diminishing to 10 to 20 kt.
Waves 2 to 4 ft.

$$

LMZ761-100930-
MAFOR 1004/
MICHIGAN NORTH 12510 11410 11510 14410. Waves 2 feet or less
overnight. Waves 1 to 3 feet Wednesday and Wednesday evening.

MICHIGAN SOUTH 12510 13410 11420 11310 11210. Waves 2 feet or
less.

$$


Patterson

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

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