Great Lakes Forecast
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242
FZUS63 KMKX 290219
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
919 PM CDT Sun Apr 28 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 northeast Nebraska will
track to southeast Minnesota by Monday morning. The low will bring
a warm front north to central Lake Michigan with winds shifting
from northeast to southeasterly. Areas of dense fog have been
noted in nearshore areas on the Wisconsin side of Lake Michigan,
and dense fog may spread over the open waters immediately along
and the front where wind speeds ease. Brisk east winds will
continue over far northern Lake Michigan through the night and
into Monday with a few gale force gusts possible. Modest southwest
winds will then prevail Monday night into Tuesday.

LMZ080-669-671-673-675-777-779-870-872-874-876-878-290930-
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-
919 PM CDT Sun Apr 28 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TONIGHT...South winds 10 to 20 kt. Patchy dense fog late
this evening, then areas of dense fog overnight. Chance of rain
showers and slight chance of thunderstorms late this evening,
then rain showers and slight chance of thunderstorms overnight.
Waves 3 to 5 ft subsiding to 2 to 4 ft.
.MONDAY...South winds 10 to 20 kt increasing to 15 to 25 kt.
Areas of dense fog in the morning. Chance of rain showers and
slight chance of thunderstorms in the morning. Waves 2 to 4 ft.
.MONDAY NIGHT...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 becoming south. Waves 1 to
3 ft.
.TUESDAY NIGHT...Southeast winds 10 to 15 kt becoming south 10 to
20 kt. Waves 1 to 3 ft.
.WEDNESDAY...Southwest winds 10 to 20 kt becoming south. Waves
2 to 4 ft.
.WEDNESDAY NIGHT...Southeast winds 10 to 15 kt. Chance of
showers. Waves 1 to 3 ft.
.THURSDAY...Southeast winds 10 to 20 kt becoming south 15 to
25 kt. Chance of showers. Waves 1 to 3 ft.
.FRIDAY...South winds 10 to 20 kt becoming southwest 15 to 25 kt.
Chance of showers. Waves 2 to 4 ft.

$$

LMZ366-565-567-868-290930-
Lake Michigan from Point Betsie to Manistee MI 5 NM offshore to
Mid Lake-
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-
919 PM CDT Sun Apr 28 2024

STURGEON BAY WI TO POINT BETSIE MI SOUTH TO SHEBOYGAN WI TO
PENTWATER MI...

.REST OF TONIGHT...Southeast winds 10 to 20 kt. Patchy fog.
Chance of rain showers late this evening, then chance of rain
showers and slight chance of thunderstorms overnight. Waves 4 to
6 ft occasionally to 8 ft subsiding to 3 to 5 ft.
.MONDAY...Southeast winds 10 to 20 kt becoming south 15 to 25 kt.
Areas of dense fog in the morning, then patchy fog in the
afternoon. Chance of rain showers and slight chance of
thunderstorms in the morning, then slight chance of rain showers
and thunderstorms in the afternoon. Waves 2 to 4 ft.
.MONDAY NIGHT...Southwest winds 15 to 25 kt diminishing to 10 to
15 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.TUESDAY...Southwest winds 10 to 15 kt becoming south. Waves 1 to
3 ft.
.TUESDAY NIGHT...South winds 10 to 15 kt increasing to 10 to
20 kt. Waves 1 to 3 ft.
.WEDNESDAY...Southwest winds 10 to 20 kt. Waves 2 to 4 ft.
.WEDNESDAY NIGHT...South winds 10 to 15 kt becoming southeast.
Waves 1 to 3 ft.
.THURSDAY...East winds 10 to 20 kt becoming southeast. Showers
likely. Waves 1 to 3 ft.
.FRIDAY...Southeast winds 10 to 20 kt veering to southwest 15 to
25 kt. Chance of showers. Waves 2 to 4 ft.

$$

LMZ261-362-364-563-290930-
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 Rock Island Passage to Sturgeon Bay WI-
919 PM CDT Sun Apr 28 2024

STURGEON BAY WI TO POINT BETSIE MI NORTH...

.REST OF TONIGHT...East gales to 35 kt. Patchy fog. Rain showers
late this evening, then chance of rain showers and slight chance
of thunderstorms overnight. Waves 5 to 8 ft occasionally to
10 ft.
.MONDAY...East gales to 35 kt becoming southeast 15 to 25 kt.
Patchy fog. Rain showers likely with slight chance of
thunderstorms in the morning, then chance of rain showers and
slight chance of thunderstorms in the afternoon. Waves 5 to 8 ft
occasionally to 10 ft subsiding to 3 to 5 ft.
.MONDAY NIGHT...Southeast winds 15 to 25 kt becoming south 10 to
20 kt late in the evening, then becoming southwest after midnight
diminishing to 10 to 15 kt late. Chance of rain showers in the
evening. Patchy fog. Waves 3 to 5 ft subsiding to 2 to 4 ft.
.TUESDAY...Southwest winds 10 to 20 kt. Waves 1 to 3 ft.
.TUESDAY NIGHT...South winds 5 to 10 kt becoming southeast 10 to
20 kt overnight. Waves 1 to 3 ft.
.WEDNESDAY...South winds 10 to 20 kt becoming southwest. Waves
1 to 3 ft.
.WEDNESDAY NIGHT...South winds 10 to 15 kt. Waves 1 to 3 ft.
.THURSDAY...Southeast winds 10 to 15 kt becoming east 10 to
20 kt. Chance of rain showers. Waves 1 to 3 ft.
.FRIDAY...East winds 10 to 20 kt veering to south. Chance of
showers. Waves 2 to 4 ft.

$$

LMZ761-290930-
MAFOR 2904/
MICHIGAN NORTH 11250 11350 12356 11340 11330 12430. Waves 3 to 6
feet building to 4 to 7 feet overnight. Waves 4 to 7 feet
subsiding to 2 to 4 feet Monday. Waves 2 to 4 feet Monday
evening.

MICHIGAN SOUTH 11420 12426 19424 11424 11420 11430 11520 11620.
Waves 2 to 4 feet overnight and Monday. Waves 2 to 4 feet
subsiding to 1 to 3 feet Monday evening.

$$


CMiller

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

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