210
FZUS63 KMKX 261943
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
243 PM CDT Fri Jul 26 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...

High pressure of around 30.2 inches currently centered over Lake
Huron will shift into the northeast on Saturday. South winds will
gust around 20 knots, mainly across the north half. On Sunday,
low pressure of 29.5 will approach from the central plains and
south winds will continue. The low will move across the lake
early Tuesday, followed by high pressure of 29.9 Tuesday night
and Wednesday, bringing variable winds. There is a chance of
thunderstorms each day starting Sunday.

LMZ261-362-364-366-563-565-567-868-270315-
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-
243 PM CDT Fri Jul 26 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.TONIGHT...South winds 10 to 15 kt increasing to 10 to 20 kt.
Waves 1 to 3 ft.
.SATURDAY...South winds 10 to 20 kt increasing to 15 to 25 kt.
Waves 2 to 4 ft.
.SATURDAY NIGHT...South winds 15 to 25 kt diminishing to 10 to
20 kt. Waves 2 to 4 ft.
.SUNDAY...South winds 10 to 20 kt. Waves 1 to 3 ft.
.SUNDAY NIGHT...South winds 10 to 20 kt diminishing to 10 to
15 kt. Waves 1 to 3 ft.
.MONDAY...South winds 10 to 20 kt. Waves 1 to 3 ft.
.MONDAY NIGHT...South winds 10 to 20 kt becoming southwest 10 to
15 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft.
.TUESDAY...West winds 10 to 15 kt becoming southwest. Waves 1 to
3 ft.
.WEDNESDAY...Southwest winds 10 to 15 kt. Waves 1 to 2 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-270315-
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-
243 PM CDT Fri Jul 26 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.TONIGHT...East winds 5 to 10 kt becoming southeast late this
evening, then increasing to 10 to 15 kt after midnight becoming
south late. Waves 1 to 2 ft.
.SATURDAY...South winds 10 to 15 kt becoming southeast 10 to
20 kt. Waves 1 to 3 ft.
.SATURDAY NIGHT...Southeast winds 10 to 20 kt becoming south
10 to 15 kt. Waves 1 to 3 ft subsiding to 1 to 2 ft.
.SUNDAY...South winds 10 to 20 kt. Waves 1 to 3 ft.
.SUNDAY NIGHT...South winds 10 to 20 kt diminishing to 10 to
15 kt. Chance of showers overnight. Waves 1 to 3 ft.
.MONDAY...South winds 10 to 20 kt. Waves 1 to 3 ft.
.MONDAY NIGHT...South winds 10 to 20 kt becoming southwest 10 to
15 kt. Chance of showers and thunderstorms. Waves 1 to 3 ft.
.TUESDAY...West winds 10 to 15 kt. Waves 1 to 3 ft.
.WEDNESDAY...Southeast winds 10 to 15 kt. Waves 1 to 2 ft.

$$

LMZ761-270315-
MAFOR 2622/
MICHIGAN NORTH 11510 14410 12420 11430. Waves 2 feet or less
tonight. Waves 1 to 3 feet building to 2 to 4 feet Saturday.

MICHIGAN SOUTH 12200 11300 13410 12420. Waves 1 foot or less
tonight. Waves 1 to 3 feet Saturday.

$$


Marquardt

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

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