Great Lakes Forecast
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184
FZUS63 KMKX 121949
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
249 PM CDT Fri Jul 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...

Light winds will continue through tonight as high pressure around
30.1 inches dominates. Winds become southerly tonight into
Saturday, with isolated showers and storms possible over the open
waters Saturday afternoon and evening, with better chances for
showers and storms arriving Sunday and Monday as 29.5 inch low
pressure develops over Ontario. A few storms could become severe
on Sunday and Monday as storms move northwest to southeast. Winds
will turn out of the west and northwest on Tuesday as a trailing cold
front moves across the open waters.

LMZ261-362-364-366-563-565-567-868-130330-
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-
249 PM CDT Fri Jul 12 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...Southwest winds 10 to 15 kt becoming south 5 to 10 kt.
Waves 1 to 2 ft.
.SATURDAY...South winds 5 to 10 kt increasing to 10 to 20 kt.
Waves 1 to 2 ft.
.SATURDAY NIGHT...South winds 10 to 20 kt diminishing to 10 to
15 kt. Showers likely with a chance of thunderstorms overnight.
Waves 1 to 3 ft.
.SUNDAY...Southwest winds 10 to 20 kt becoming south. Chance of
showers in the morning. Waves 1 to 3 ft.
.SUNDAY NIGHT...Southwest winds 10 to 20 kt becoming south 5 to
10 kt overnight. Waves 1 to 3 ft.
.MONDAY...South winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 2 ft.
.MONDAY NIGHT...Southwest winds 10 to 20 kt becoming west 10 to
15 kt. 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...North winds 10 to 20 kt. Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-130330-
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-
249 PM CDT Fri Jul 12 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...Northeast winds 5 to 10 kt veering to south. Waves
1 ft or less.
.SATURDAY...South winds 5 to 10 kt becoming southeast. Waves 1 to
2 ft.
.SATURDAY NIGHT...Southeast winds 10 to 15 kt becoming south.
Chance of showers and thunderstorms overnight. Waves 1 to 3 ft.
.SUNDAY...South winds 10 to 20 kt. Waves 1 to 3 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 20 kt becoming south. Waves 1 to
3 ft.
.MONDAY NIGHT...Southwest winds 10 to 20 kt diminishing to 10 to
15 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft.
.TUESDAY...West winds 10 to 20 kt becoming northwest. Waves 1 to
3 ft.
.WEDNESDAY...North winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft.

$$

LMZ761-130330-
MAFOR 1222/
MICHIGAN NORTH 12510 13400 13410. Waves 2 feet or less.

MICHIGAN SOUTH 11110 11200 11300 13400 11410 11310. Waves 2 feet
or less.

$$


MH

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

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