929
FZUS63 KMKX 200830
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
330 AM CDT Sat Jul 20 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...

A broad area of high pressure around 30.1 inches will prevail
across the area today. Light southwest to west winds are expected
during this time, although with some variability to the wind
direction. A weak cold front will then move from north to south
across the lake tonight into Sunday morning. A few isolated
thunderstorms are possible along this front. Light northerly
winds will prevail after the frontal passage and continue at
least into Monday.

LMZ261-362-364-366-563-565-567-868-201515-
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-
330 AM CDT Sat Jul 20 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...West winds 10 to 15 kt becoming southwest 10 to 20 kt.
Slight chance of showers and thunderstorms this afternoon. Waves
1 to 3 ft.
.TONIGHT...Southwest winds 10 to 15 kt veering to northeast.
Slight chance of showers and thunderstorms in the evening. Waves
1 to 2 ft.
.SUNDAY...Northeast winds 10 to 15 kt. Waves 1 to 2 ft.
.SUNDAY NIGHT...Northeast winds 10 to 15 kt diminishing to 5 to
10 kt. Waves 1 to 2 ft.
.MONDAY...Northeast winds 5 to 10 kt increasing to 10 to 15 kt.
Waves 1 ft or less.
.MONDAY NIGHT...East winds 5 to 10 kt becoming southeast. Waves
1 ft or less.
.TUESDAY...South winds 5 to 10 kt increasing to 10 to 15 kt.
Waves 1 ft or less.
.WEDNESDAY...Northwest winds 10 to 15 kt. Chance of showers and
thunderstorms. Waves 1 to 2 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-201515-
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-
330 AM CDT Sat Jul 20 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TODAY...West winds 10 to 15 kt becoming south. Waves 1 to 2 ft.
.TONIGHT...South winds 10 to 15 kt veering to west. Waves 1 to
2 ft.
.SUNDAY...Northwest winds 5 to 10 kt becoming north. Waves 1 to
2 ft.
.SUNDAY NIGHT...North winds 10 to 15 kt diminishing to 5 to
10 kt. Waves 1 to 2 ft.
.MONDAY...North winds 5 to 10 kt increasing to 10 to 15 kt. Waves
1 ft or less.
.MONDAY NIGHT...Northeast winds 5 to 10 kt veering to southeast.
Waves 1 ft or less.
.TUESDAY...South winds 5 to 10 kt. Waves 1 ft or less.
.WEDNESDAY...Southwest winds 10 to 15 kt becoming west. Chance of
showers. Waves 1 to 2 ft.

$$

LMZ761-201515-
MAFOR 2010/
MICHIGAN NORTH 12610 13510 11610 11710 11810. Waves 2 feet or
less.

MICHIGAN SOUTH 11610 11600 11500 13410 11500 11600. Waves 2 feet
or less.

$$


DDV

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

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