Great Lakes Forecast
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863
FZUS63 KMKX 192027
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
327 PM CDT Sun May 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...

Light and variable winds will continue over the lake through the
rest of the afternoon and evening as high pressure of 30.0 moves
northeast. Winds will then come around to southeasterly by
daybreak on Monday and should become more southerly by Monday
afternoon. Breezy southerly winds will remain Monday night into
Tuesday morning before winds become southeasterly ahead of a low
pressure system that will deepen to 29.4 inches as it approaches
the Upper Great Lakes Region. Periods of thunderstorms are also
expected over the lake Monday through Wednesday morning.

LMZ261-362-364-366-563-565-567-868-200330-
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-
327 PM CDT Sun May 19 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...South winds 10 to 15 kt becoming southeast. Waves 1 to
2 ft.
.MONDAY...Southeast winds 10 to 15 kt becoming south 10 to 20 kt.
Chance of showers and slight chance of thunderstorms in the
morning, then chance of showers and thunderstorms in the
afternoon. Waves 2 to 4 ft.
.MONDAY NIGHT...South winds 10 to 20 kt becoming southwest 10 to
15 kt late in the evening, then becoming west after midnight
diminishing to 5 to 10 kt late. Showers likely with a chance of
thunderstorms in the evening, then chance of showers and
thunderstorms overnight. Waves 2 to 4 ft.
.TUESDAY...Northeast winds 10 to 15 kt becoming east 10 to 20 kt.
Chance of showers and thunderstorms. Waves 1 to 3 ft.
.TUESDAY NIGHT...Southeast winds 15 to 25 kt becoming south to
30 kt. Chance of showers and thunderstorms in the evening, then
showers and thunderstorms overnight. Waves 4 to 6 ft occasionally
to 8 ft building to 5 to 8 ft occasionally to 10 ft.
.WEDNESDAY...Southwest winds to 30 kt. Chance of showers. Waves
5 to 8 ft occasionally to 10 ft.
.WEDNESDAY NIGHT...Southwest winds to 30 kt becoming west. Waves
4 to 6 ft occasionally to 8 ft subsiding to 3 to 5 ft.
.THURSDAY...West winds to 30 kt becoming southwest 15 to 25 kt.
Waves 3 to 5 ft.
.FRIDAY...Southwest winds 10 to 15 kt becoming south 10 to 20 kt.
Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-200330-
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-
327 PM CDT Sun May 19 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...North winds 10 to 15 kt veering to southeast. Waves
1 to 3 ft.
.MONDAY...Southeast winds 10 to 15 kt becoming south 10 to 20 kt.
Slight chance of showers and thunderstorms in the morning, then
chance of showers and thunderstorms in the afternoon. Waves 2 to
4 ft.
.MONDAY NIGHT...South winds 10 to 20 kt diminishing to 10 to
15 kt. Chance of showers and thunderstorms. Waves 2 to 4 ft
subsiding to 1 to 3 ft.
.TUESDAY...South winds 10 to 15 kt becoming southeast 10 to
20 kt. Chance of showers and thunderstorms. Waves 1 to 2 ft
building to 2 to 4 ft.
.TUESDAY NIGHT...South winds to 30 kt. Showers and thunderstorms
likely. Waves 4 to 6 ft occasionally to 8 ft building to 5 to
8 ft occasionally to 10 ft.
.WEDNESDAY...Southwest winds to 30 kt diminishing to 15 to 25 kt.
Waves 5 to 8 ft occasionally to 10 ft.
.WEDNESDAY NIGHT...West winds 10 to 20 kt. Waves 4 to 6 ft
occasionally to 8 ft subsiding to 3 to 5 ft.
.THURSDAY...West winds 10 to 20 kt becoming southwest. Waves 2 to
4 ft.
.FRIDAY...East winds 10 to 15 kt becoming southeast 10 to 20 kt.
Waves 1 to 3 ft.

$$

LMZ761-200330-
MAFOR 1922/
MICHIGAN NORTH 11510 12300 13310 11326 11320. A chance of
thunderstorms Monday afternoon. Waves 1 foot or less tonight.
Waves 1 to 3 feet Monday.

MICHIGAN SOUTH 11810 11110 11200 13310 11320 11420. A chance of
showers and thunderstorms Monday afternoon. Waves 2 feet or less
tonight. Waves 1 to 3 feet Monday.

$$


CMiller

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

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