259
FZUS63 KMKX 111338
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
838 AM CDT Sat May 11 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 29.6 inches over northern lower Michigan
will slow down over Lake Huron later today. Modest to brisk
northwest winds are expected over the entire lake into early
afternoon. Weak high pressure around 29.9 inches will then move
across the lake late this afternoon and evening with light and
variable winds expected. The high will shift east early Sunday
morning while a wave of low pressure around 29.6 inches and its
cold front moves across northern Lake Michigan Sunday night. This
will result in breezy southerly winds on Sunday shifting
northerly and weakening late Sunday night. The cold front will
move south on Monday bringing light to modest northerly winds to
the entire lake.

LMZ261-362-364-366-563-565-567-868-112115-
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-
838 AM CDT Sat May 11 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Northwest winds 10 to 20 kt becoming north.
Chance of rain showers through mid morning. Waves 3 to 5 ft.
.TONIGHT...North winds 10 to 20 kt becoming northwest 5 to 10 kt
late in the evening, then becoming west after midnight becoming
southwest late. Waves 1 to 3 ft subsiding to 1 ft or less.
.SUNDAY...South winds 10 to 15 kt increasing to 30 kt. Chance of
rain showers and thunderstorms in the afternoon. Waves 1 to 2 ft
building to 4 to 7 ft occasionally to 9 ft.
.SUNDAY NIGHT...Southwest winds 15 to 25 kt becoming west 5 to
10 kt overnight. Rain showers likely with a chance of
thunderstorms in the evening. Areas of fog overnight. Waves 4 to
7 ft occasionally to 9 ft subsiding to 3 to 5 ft.
.MONDAY...North winds 10 to 15 kt increasing to 10 to 20 kt.
Patchy fog in the morning. Waves 1 to 3 ft.
.MONDAY NIGHT...North winds 15 to 25 kt. Waves 2 to 4 ft building
to 3 to 5 ft.
.TUESDAY...North winds 15 to 25 kt. Waves 3 to 5 ft.
.WEDNESDAY...Northeast winds 10 to 15 kt increasing to 10 to
20 kt. Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-112115-
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-
838 AM CDT Sat May 11 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Northwest winds 15 to 25 kt becoming north 10 to
20 kt. Waves 4 to 6 ft occasionally to 8 ft subsiding to 3 to
5 ft.
.TONIGHT...Northwest winds 10 to 15 kt becoming southwest 5 to
10 kt. Waves 2 to 4 ft subsiding to 1 to 3 ft.
.SUNDAY...South winds 10 to 15 kt increasing to 15 to 25 kt.
Waves 1 to 2 ft building to 4 to 7 ft occasionally to 9 ft.
.SUNDAY NIGHT...Southwest winds 15 to 25 kt diminishing to 10 to
20 kt. Chance of showers and thunderstorms in the evening, then
chance of showers overnight. Waves 4 to 7 ft occasionally to 9 ft
subsiding to 3 to 5 ft.
.MONDAY...West winds 10 to 15 kt veering to north 10 to 20 kt.
Chance of showers in the morning, then showers likely in the
afternoon. Waves 2 to 4 ft.
.MONDAY NIGHT...Northeast winds 15 to 25 kt. Chance of showers.
Waves 2 to 4 ft building to 4 to 6 ft occasionally to 8 ft.
.TUESDAY...North winds to 30 kt. Waves 4 to 7 ft occasionally to
9 ft.
.WEDNESDAY...North winds 10 to 20 kt. Waves 2 to 4 ft.

$$

LMZ761-112115-
MAFOR 1116/
MICHIGAN NORTH 11730 12820 11710 11600 11500 11410 11430. Waves 2
to 4 feet subsiding to 1 to 3 feet this afternoon. Waves 2 feet
or less tonight and Sunday morning.

MICHIGAN SOUTH 11730 11830 11710 13500 11400 11420. Waves 3 to 6
feet this afternoon. Waves 1 to 3 feet subsiding to 1 foot or
less tonight. Waves 2 feet or less Sunday morning.

$$


Boxell

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

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