188
FZUS63 KMKX 151430
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
930 AM CDT Mon Jul 15 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...

Shower and thunderstorm chances enter the forecast late this
afternoon and evening as a cold front crosses the lake. A few
storms could be strong to severe with large hail and gusty winds,
particularly over the southern third of the open waters. South
winds will gust around 20 knots today. A cold front will move
through tonight and winds will turn out of the northwest behind
the front on Tuesday, with gusts between 15-20 knots possible
through sunset.

High pressure of 30.2 will sink into the northern plains on
Wednesday and north winds around 15 knots will prevail. Then it
will shift over the lake on Thursday night bringing lighter winds
and low waves through the end of the week.

LMZ261-362-364-366-563-565-567-868-152115-
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-
930 AM CDT Mon Jul 15 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Southwest winds 5 to 10 kt becoming south 10 to
20 kt. Waves 1 to 2 ft.
.TONIGHT...South winds 10 to 20 kt veering to northwest. Chance
of showers and thunderstorms in the evening, then chance of
showers and slight chance of thunderstorms overnight. Waves 1 to
3 ft.
.TUESDAY...Northwest winds 10 to 20 kt backing to southwest.
Waves 1 to 3 ft.
.TUESDAY NIGHT...West winds 10 to 20 kt becoming northwest 10 to
15 kt. Waves 1 to 2 ft.
.WEDNESDAY...Northwest winds 10 to 20 kt becoming north 15 to
25 kt. Waves 1 to 3 ft.
.WEDNESDAY NIGHT...North winds 10 to 20 kt. Waves 1 to 3 ft.
.THURSDAY...North winds 10 to 15 kt becoming northwest 10 to
20 kt. Waves 1 to 3 ft.
.FRIDAY...Southwest winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 2 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-152115-
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-
930 AM CDT Mon Jul 15 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Southwest winds 5 to 10 kt becoming south 10 to
15 kt early this afternoon, then increasing to 10 to 20 kt late.
Waves 1 to 2 ft.
.TONIGHT...South winds 10 to 20 kt becoming west. Showers and
thunderstorms likely in the evening, then slight chance of
showers and thunderstorms overnight. Waves 1 to 3 ft.
.TUESDAY...West winds 10 to 20 kt becoming north. Waves 2 to
4 ft.
.TUESDAY NIGHT...Northwest winds 10 to 15 kt. Waves 1 to 3 ft.
.WEDNESDAY...North winds 10 to 20 kt. Waves 1 to 3 ft building to
2 to 4 ft.
.WEDNESDAY NIGHT...North winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 2 to 4 ft.
.THURSDAY...North winds 10 to 20 kt. Waves 1 to 3 ft.
.FRIDAY...Northwest winds 5 to 10 kt backing to south 10 to
15 kt. Waves 1 to 2 ft.

$$

LMZ761-152115-
MAFOR 1516/
MICHIGAN NORTH 11510 12420 12520 13710. A chance of showers and
thunderstorms this evening, then a chance of showers overnight.
Waves 2 feet or less.

MICHIGAN SOUTH 11510 12420 12529 11520 11610 11710. Waves 2 feet
or less this afternoon. Waves 1 to 3 feet tonight and Tuesday
morning.

$$


Marquardt

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

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