Great Lakes Forecast
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047
FZUS63 KMKX 291444
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
944 AM CDT Mon Apr 29 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 around 29.7 inches over southern Minnesota will lift
through Lake Superior early Tuesday. The warm front of this low
pressure currently rests over central Lake Michigan, and will
slowly lift northward today through early Tuesday. Areas of fog
are expected over the lake this morning. Areas south of the warm
front are expected to see the fog lift by this afternoon, while
patches of fog linger along and north of the front into tonight. South
winds are expected south of the front today, with gusty east
winds north of the front, especially in the northern quarter of
the lake. East gusts approaching gale force are possible over the
far northern tip of the lake this morning. A weak cold front will
push eastward through the lake late tonight into Tuesday, bringing
light southwesterly winds. Winds shift south and remain light into
Tuesday.

Scattered showers and an isolated thunderstorm or two are
expected today. Storms are not expected to be strong at this
time.

LMZ261-362-364-366-563-565-567-868-292115-
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-
944 AM CDT Mon Apr 29 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Southeast winds to 30 kt diminishing to 15 to
25 kt. Patchy fog. Rain showers late this morning, then slight
chance of rain showers and thunderstorms this afternoon. Waves
4 to 7 ft occasionally to 9 ft subsiding to 3 to 5 ft.
.TONIGHT...South winds 15 to 25 kt becoming southwest 10 to 20 kt
late in the evening, then diminishing to 10 to 15 kt after
midnight becoming southwest 10 to 15 kt late. Chance of rain
showers in the evening. Patchy fog. Waves 2 to 4 ft subsiding to
1 to 3 ft.
.TUESDAY...Southwest winds 10 to 15 kt. Waves 1 to 3 ft.
.TUESDAY NIGHT...South winds 5 to 10 kt becoming southeast 10 to
15 kt. Waves 1 to 3 ft.
.WEDNESDAY...South winds 10 to 20 kt becoming southwest. Waves
2 to 4 ft.
.WEDNESDAY NIGHT...Southwest winds 10 to 15 kt backing to east
5 to 10 kt. Waves 1 to 3 ft subsiding to 1 to 2 ft.
.THURSDAY...East winds 10 to 20 kt. Chance of rain showers. Waves
1 to 3 ft.
.FRIDAY...South winds 10 to 20 kt. Chance of showers. Waves 2 to
4 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-292115-
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-
944 AM CDT Mon Apr 29 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...South winds 10 to 20 kt. Patchy dense fog.
Slight chance of rain showers. Waves 2 to 4 ft.
.TONIGHT...Southwest winds 10 to 20 kt becoming west 10 to 15 kt.
Waves 2 to 4 ft subsiding to 1 to 3 ft.
.TUESDAY...West winds 10 to 15 kt backing to south. Waves 1 to
2 ft.
.TUESDAY NIGHT...Southeast winds 10 to 15 kt becoming south.
Waves 1 to 3 ft.
.WEDNESDAY...Southwest winds 10 to 20 kt. Waves 2 to 4 ft.
.WEDNESDAY NIGHT...Southeast winds 5 to 10 kt becoming east 10 to
15 kt. Chance of showers. Waves 1 to 3 ft subsiding to 1 to 2 ft.
.THURSDAY...East winds 10 to 20 kt becoming southeast 15 to
25 kt. Chance of showers. Waves 2 to 4 ft.
.FRIDAY...South winds 10 to 20 kt becoming southwest. Chance of
showers. Waves 2 to 4 ft.

$$

LMZ761-292115-
MAFOR 2916/
MICHIGAN NORTH 11340 12330 11420 14510. A chance of showers late
this morning and this evening. Waves 3 to 6 feet subsiding to 2
to 4 feet this afternoon. Waves 2 to 4 feet subsiding to 1 to 3
feet tonight. Waves 2 feet or less Tuesday morning.

MICHIGAN SOUTH 12420 19424 11520 19524 11510 14610. Waves 1 to 3
feet building to 2 to 4 feet this afternoon. Waves 2 to 4 feet
subsiding to 1 to 3 feet tonight. Waves 2 feet or less Tuesday
morning.

$$


MH

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

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