790
FZUS63 KMKX 130748
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
248 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 the open waters through the beginning
of the week, with gusts climbing into the 15-20 knot range during
each afternoon period. Periods of showers and thunderstorms are
forecast today and tomorrow, with a few strong to severe storms
possible. Gusty winds will be the primary hazard in any 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 Monday night and early Tuesday
morning. Additional showers and storms will accompany the frontal
passage, with strong to severe storms remaining possible.
Northwest winds will become established behind the front by
Tuesday afternoon. Quiet weather conditions are forecast for the
mid to late portions of next week.

LMZ261-362-364-366-563-565-567-868-131515-
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-
248 AM CDT Sat Jul 13 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TODAY...South winds 10 to 15 kt increasing to 10 to 20 kt. Waves
1 to 2 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...South winds 10 to 15 kt becoming southwest 10 to 20 kt.
Waves 1 to 3 ft.
.SUNDAY NIGHT...Southwest winds 10 to 20 kt veering to north 5 to
10 kt overnight. 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.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-131515-
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-
248 AM CDT Sat Jul 13 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.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...South winds 10 to 20 kt. Waves 2 to 4 ft.
.SUNDAY NIGHT...Southwest winds 10 to 20 kt diminishing to 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.

$$

LMZ761-131515-
MAFOR 1310/
MICHIGAN NORTH 16410. A chance of showers and thunderstorms
overnight. Waves 2 feet or less.

MICHIGAN SOUTH 12400 11410 12310 13410. A chance of showers and
thunderstorms overnight. Waves 2 feet or less.

$$


Quigley

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

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