349
FZUS63 KMKX 120757
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
257 AM CDT Mon Aug 12 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...

High pressure of 30.1 inches centered over Illinois this morning will
continue to move eastward Monday and Tuesday allowing for lighter
and more variable winds. Winds will become east to southeasterly
and accelerate on Wednesday as low pressure of 29.7 inches
develops across the Central Plains and moves towards lifts
northeast towards the Great Lakes, moving through the region on
Thursday and Friday. Shower and thunderstorm chances exist across
Lake Michigan on Thursday and Friday due to this low.

LMZ261-362-364-366-563-565-567-868-121515-
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-
257 AM CDT Mon Aug 12 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...West winds 10 to 15 kt becoming southwest. Waves 1 to
2 ft.
.TONIGHT...Southwest winds 5 to 10 kt veering to northeast. Waves
1 ft or less.
.TUESDAY...East winds less than 10 kt veering to southwest. Waves
nearly calm.
.TUESDAY NIGHT...Southwest winds 5 to 10 kt backing to southeast.
Waves nearly calm.
.WEDNESDAY...Southeast winds 5 to 10 kt becoming south. Waves
1 ft or less.
.WEDNESDAY NIGHT...East winds 5 to 10 kt becoming southeast 10 to
20 kt. Waves 1 ft or less building to 1 to 2 ft.
.THURSDAY...Southeast winds 15 to 25 kt. Waves 3 to 5 ft.
.FRIDAY...Southeast winds 10 to 20 kt. Chance of showers. Waves
3 to 5 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-121515-
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-
257 AM CDT Mon Aug 12 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...West winds 10 to 15 kt becoming southwest. Waves 1 to
3 ft.
.TONIGHT...Southwest winds 5 to 10 kt becoming west. Waves 1 to
2 ft.
.TUESDAY...Northwest winds 5 to 10 kt. Waves 1 ft or less.
.TUESDAY NIGHT...Northeast winds 5 to 10 kt becoming east. Waves
nearly calm.
.WEDNESDAY...East winds 5 to 10 kt increasing to 10 to 15 kt.
Waves 1 to 2 ft.
.WEDNESDAY NIGHT...East winds 10 to 15 kt becoming southeast
10 to 20 kt. Waves 1 to 3 ft.
.THURSDAY...Southeast winds 15 to 25 kt. Chance of showers. Waves
3 to 5 ft.
.FRIDAY...South winds 10 to 20 kt. Chance of showers. Waves 3 to
5 ft.

$$

LMZ761-121515-
MAFOR 1210/
MICHIGAN NORTH 11610 12600 11510 12500 11600 11700. Waves 2 feet
or less.

MICHIGAN SOUTH 11610 12600 13500 12600. Waves 2 feet or less.

$$


Falkinham

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

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