843
FZUS63 KMKX 131403
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
903 AM CDT Sat Jul 13 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...
Southerly winds prevail across most of the open waters through
tonight. This will increase wave heights a little this afternoon
and evening. Additionally, there is a slight chance for
thunderstorms this evening and tonight over the lake. Periods of
showers and thunderstorms are forecast later Sunday and again on
Monday. Gusty winds will be the primary hazard in any strong or
severe storms. 29.5 inch low pressure will develop to the south of
the Hudson Bay during the first part of the week, dragging a cold
front across the open waters by Monday night and early Tuesday
morning. It will remain unsettled and breezy through Tuesday.

LMZ261-362-364-366-563-565-567-868-132130-
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-
903 AM CDT Sat Jul 13 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Southwest winds 10 to 15 kt becoming south 10 to
20 kt. Waves 1 to 3 ft.
.TONIGHT...South winds 10 to 20 kt diminishing to 10 to 15 kt.
Chance of showers and thunderstorms overnight. Waves 1 to 3 ft.
.SUNDAY...Southwest winds 10 to 20 kt. Waves 1 to 3 ft.
.SUNDAY NIGHT...Southwest winds 10 to 15 kt veering to north 5 to
10 kt. Waves 1 to 3 ft.
.MONDAY...Southeast winds 10 to 15 kt becoming south 10 to 20 kt.
Waves 1 to 2 ft.
.MONDAY NIGHT...Southwest winds 10 to 20 kt becoming west. Chance
of showers and thunderstorms. Waves 1 to 3 ft.
.TUESDAY...Northwest winds 10 to 20 kt becoming west. Waves 1 to
3 ft.
.WEDNESDAY...Northwest winds 10 to 20 kt. Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-132130-
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-
903 AM CDT Sat Jul 13 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...South winds 5 to 10 kt becoming southeast 10 to
20 kt. Waves 1 to 2 ft.
.TONIGHT...Southeast winds 10 to 20 kt becoming south 10 to
15 kt. Slight chance of showers and thunderstorms in the evening,
then chance of showers and thunderstorms overnight. Waves 1 to
3 ft.
.SUNDAY...Southwest winds 10 to 20 kt becoming south. Waves 2 to
4 ft.
.SUNDAY NIGHT...Southwest winds 10 to 15 kt. Chance of showers
and thunderstorms. Waves 1 to 3 ft.
.MONDAY...Southwest winds 10 to 15 kt becoming south 10 to 20 kt.
Waves 1 to 3 ft.
.MONDAY NIGHT...Southwest winds 10 to 20 kt. Chance of showers
and thunderstorms. Waves 2 to 4 ft.
.TUESDAY...West winds 10 to 20 kt becoming northwest. Chance of
showers and thunderstorms. Waves 2 to 4 ft.
.WEDNESDAY...Northwest winds 10 to 20 kt becoming north. Waves
2 to 4 ft.

$$

LMZ761-132130-
MAFOR 1316/
MICHIGAN NORTH 15410 11410 11520. A chance of showers and
thunderstorms overnight. A chance of showers Sunday morning.
Waves 2 feet or less this afternoon and tonight. Waves 1 to 3
feet Sunday morning.

MICHIGAN SOUTH 11410 12310 13410 11510 11520. A chance of showers
and thunderstorms overnight. A chance of thunderstorms Sunday
morning. Waves 2 feet or less this afternoon and tonight. Waves 1
to 3 feet Sunday morning.

$$

KPL

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

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