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000
FZUS63 KMKX 170805
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
305 AM CDT Wed Apr 17 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 of 29.4 inches over southeast Minnesota will track
through central Wisconsin today and across northern Lake Michigan
this evening while weakening to 29.6 inches. Strong easterly
winds will continue across all but the southern third of the lake
until around 7 AM CDT. While winds will diminish across most of
the lake today, the far northern areas should see frequent gale
force gusts through late afternoon. No change to the gale
headlines.

Gusty westerly winds will develop today and gradually diminish
tonight into Thursday as the low departs the area. Weakening low
pressure around 29.8 inches over Ontario Thursday night will track
into Ontario through Friday night. Westerly winds will be gusty on
Friday near the lakeshore, but not as much over the lake.

LMZ080-673-675-777-779-874-876-878-171545-
Lake Michigan from Michigan City IN to St. Joseph MI 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 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-
305 AM CDT Wed Apr 17 2024

NORTH POINT LIGHT WI TO GRAND HAVEN MI SOUTH...

.TODAY...South winds to 30 kt becoming southwest. Chance of
showers and thunderstorms this morning, then slight chance of
showers and thunderstorms this afternoon. Waves 4 to 7 ft
occasionally to 9 ft.
.TONIGHT...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.
.THURSDAY...West winds 10 to 15 kt veering to north. Rain showers
likely in the afternoon. Waves 2 to 4 ft subsiding to 1 to 2 ft.
.THURSDAY NIGHT...North winds 10 to 15 kt becoming northwest
15 to 25 kt overnight. Rain showers likely in the evening. Waves
1 to 2 ft building to 3 to 5 ft.
.FRIDAY...Northwest winds 15 to 25 kt becoming west. Waves 4 to
7 ft occasionally to 9 ft.
.FRIDAY NIGHT...West winds 15 to 25 kt increasing to 30 kt. Waves
4 to 6 ft occasionally to 8 ft building to 5 to 8 ft occasionally
to 10 ft.
.SATURDAY...Northwest winds to 30 kt diminishing to 15 to 25 kt.
Waves 6 to 9 ft occasionally to 12 ft.
.SUNDAY...West winds 10 to 15 kt backing to southwest. Waves 1 to
3 ft.

$$

LMZ364-366-563-565-567-669-671-868-870-872-171545-
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 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 Pentwater to Manistee MI 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-
305 AM CDT Wed Apr 17 2024

ROCK ISLAND PASSAGE TO CHARLEVOIX MI SOUTH TO NORTH POINT LIGHT
WI TO GRAND HAVEN MI...

...GALE WARNING IN EFFECT UNTIL 7 AM CDT THIS MORNING...

.TODAY...Southeast gales to 35 kt becoming south to 30 kt early
this morning, then diminishing to 15 to 25 kt late. Chance of
rain showers and thunderstorms. Waves 7 to 10 ft occasionally to
13 ft subsiding to 4 to 7 ft occasionally to 9 ft.
.TONIGHT...Southwest winds to 30 kt becoming west late in the
evening, then diminishing to 15 to 25 kt after midnight
diminishing to 10 to 20 kt late. Chance of rain showers in the
evening. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to
5 ft.
.THURSDAY...West winds 10 to 20 kt becoming southwest 10 to
15 kt. Chance of rain showers in the afternoon. Waves 2 to 4 ft
subsiding to 1 to 2 ft.
.THURSDAY NIGHT...Southwest winds 10 to 15 kt becoming west 15 to
25 kt overnight. Chance of rain showers. Waves 1 to 2 ft building
to 3 to 5 ft.
.FRIDAY...West winds 15 to 25 kt increasing to 30 kt. Waves 4 to
7 ft occasionally to 9 ft.
.FRIDAY NIGHT...West winds 15 to 25 kt increasing to 30 kt. Waves
4 to 6 ft occasionally to 8 ft building to 5 to 8 ft occasionally
to 10 ft.
.SATURDAY...Northwest winds to 30 kt diminishing to 15 to 25 kt.
Waves 6 to 9 ft occasionally to 12 ft.
.SUNDAY...West winds 10 to 20 kt becoming southwest. Waves 1 to
3 ft.

$$

LMZ261-362-171545-
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-
305 AM CDT Wed Apr 17 2024

ROCK ISLAND PASSAGE TO CHARLEVOIX MI NORTH...

...GALE WARNING IN EFFECT THROUGH THIS EVENING...

.TODAY...East gales to 45 kt diminishing to 35 kt this afternoon.
Chance of rain showers and slight chance of thunderstorms this
morning, then rain showers and slight chance of thunderstorms this
afternoon. Waves 8 to 11 ft occasionally to 14 ft subsiding to 7
to 10 ft occasionally to 13 ft.
.TONIGHT...Southeast winds to 30 kt becoming southwest 10 to
20 kt late in the evening, then becoming west after midnight
becoming west 10 to 20 kt late. Chance of rain showers in the
evening, then slight chance of rain showers overnight. Waves 4 to
7 ft occasionally to 9 ft subsiding to 3 to 5 ft.
.THURSDAY...West winds 10 to 20 kt becoming southwest. Waves 1 to
3 ft.
.THURSDAY NIGHT...Southwest winds 10 to 15 kt becoming west 5 to
10 kt. Chance of rain showers. Waves 1 to 2 ft.
.FRIDAY...West winds 15 to 25 kt. Chance of rain showers in the
afternoon. Waves 2 to 4 ft building to 4 to 6 ft occasionally to
8 ft.
.FRIDAY NIGHT...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.
.SATURDAY...Northwest winds to 30 kt diminishing to 15 to 25 kt.
Waves 4 to 7 ft occasionally to 9 ft subsiding to 4 to 6 ft
occasionally to 8 ft.
.SUNDAY...West winds 10 to 20 kt becoming southwest 15 to 25 kt.
Waves 1 to 3 ft.

$$

LMZ761-171545-
MAFOR 1710/
MICHIGAN NORTH...GALE WARNING IN EFFECT...11360 12366 11356 11450
11540 11630 11620. A chance of thunderstorms this morning. Waves
6 to 10 feet today. Waves 4 to 7 feet subsiding to 2 to 4 feet
tonight.

MICHIGAN SOUTH...GALE WARNING IN EFFECT...11340 11440 11430 11530
11630 11640 11630 11620. A chance of showers and thunderstorms
this morning. Waves 5 to 9 feet subsiding to 3 to 6 feet today.
Waves 3 to 6 feet tonight.

$$


Cronce

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

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