Great Lakes Forecast
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134
FZUS63 KMKX 290812
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
312 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 will continue northeastward through
Minnesota and northwestern Wisconsin this morning, crossing Lake
Superior early Tuesday. The warm front of this low pressure
currently rests over central Lake Michigan, and will resume its
northward motion by sunrise today, reaching the northern end of the
lake by tonight. 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.

South winds to 20 kts are expected south of the front today, with
gusty east winds north of the front (northern quarter of the lake).
East gusts to gale force are possible over the far northern tip of
the lake this morning. When the front finishes crossing the lake
late tonight, gentle southwest winds are expected for all areas.
South winds to 15 kts expected Tuesday.

Scattered showers and thunderstorms are expected today, but storms
are not expected to be severe at this time.

LMZ080-669-671-673-675-777-779-870-872-874-876-878-291515-
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-
312 AM CDT Mon Apr 29 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...South winds 10 to 20 kt. Patchy fog. Chance of rain
showers and slight chance of thunderstorms this morning, then
slight chance of rain showers and thunderstorms this afternoon.
Waves 2 to 4 ft.
.TONIGHT...Southwest winds 10 to 20 kt becoming west 10 to 15 kt.
Slight chance of rain showers in the evening. 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.

$$

LMZ261-362-364-366-563-565-567-868-291515-
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-
312 AM CDT Mon Apr 29 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...Southeast winds to 25 kt, with east gales to 35 kts
possible over the far northern tip of the lake. Patchy fog. Rain
showers likely with slight chance of thunderstorms this morning,
then chance of rain showers and slight chance of thunderstorms
this afternoon. Waves 5 to 8 ft occasionally to 10 ft subsiding to
3 to 5 ft.
.TONIGHT...South winds 10 to 20 kt becoming southwest 10 to
15 kt. Patchy fog in the evening. Chance of rain showers and
slight chance of thunderstorms in the evening. 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.

$$

LMZ761-291515-
MAFOR 2910/
MICHIGAN NORTH 12346 11340 11330 12420 12510. Waves 5 to 8 feet
subsiding to 3 to 6 feet today. Waves 2 to 4 feet subsiding to 1
to 3 feet tonight.

MICHIGAN SOUTH 11426 11420 12420 11520 11510 12610. A chance of
thunderstorms early this morning. Waves 1 to 3 feet building to 2
to 4 feet today. Waves 2 to 4 feet subsiding to 1 to 3 feet
tonight.

$$


Sheppard

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

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