474
FZUS63 KMKX 051357
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
857 AM CDT Thu Jun 5 2025

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...

Quiet weather continues with no major changes to the forecast
since the previous synopsis.

High pressure of 30.0 inches over the western Great Lakes will
largely stay put through Saturday, with mainly dry weather
expected. Winds will generally be light and variable across the
north through Saturday, with northerly winds 10 knots or less
across the south. Shower and storms chances are expected Sunday
and Monday as a pair of shortwaves move through. Winds will be a
bit more elevated during this time frame as these systems pass
through the Great Lakes. Visibilities will be reduced at times due
to smoke and fog today.

LMZ261-362-364-366-563-565-567-868-052115-
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-
857 AM CDT Thu Jun 5 2025

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Southwest winds less than 10 kt increasing to
5 to 10 kt late this morning, then becoming southeast early this
afternoon veering to west late. Areas of smoke with patchy fog
through mid morning, then areas of smoke this afternoon. Waves
1 ft or less.
.TONIGHT...North winds 5 to 10 kt veering to southeast. Waves
1 ft or less.
.FRIDAY...North winds less than 10 kt increasing to 10 to 15 kt.
Waves 1 ft or less.
.FRIDAY NIGHT...North winds 10 to 15 kt becoming northeast 5 to
10 kt. Waves 1 to 2 ft.
.SATURDAY...Northeast winds 5 to 10 kt becoming north 10 to
15 kt. Waves 1 to 2 ft.
.SATURDAY NIGHT...East winds 5 to 10 kt becoming southeast 10 to
15 kt. Waves 1 to 2 ft.
.SUNDAY...South winds 10 to 20 kt. Showers. Waves 2 to 4 ft.
.MONDAY...Southwest winds 10 to 20 kt. Chance of showers. Waves
1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-052115-
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-
857 AM CDT Thu Jun 5 2025

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Northeast winds 10 to 15 kt becoming north 10 to
20 kt. Waves 1 to 3 ft.
.TONIGHT...North winds 10 to 20 kt becoming northeast 10 to 15 kt
late in the evening, then diminishing to 5 to 10 kt after
midnight becoming northeast 5 to 10 kt late. Waves 1 to 3 ft.
.FRIDAY...Northeast winds 5 to 10 kt becoming north 10 to 15 kt.
Waves 1 to 2 ft.
.FRIDAY NIGHT...North winds 10 to 15 kt diminishing to 5 to
10 kt. Waves 1 to 2 ft.
.SATURDAY...North winds 5 to 10 kt increasing to 10 to 15 kt.
Waves 1 to 2 ft.
.SATURDAY NIGHT...Northeast winds 5 to 10 kt veering to
southeast. Waves 1 to 2 ft.
.SUNDAY...South winds 10 to 20 kt becoming southwest. Chance of
showers. Waves 2 to 4 ft.
.MONDAY...Southwest winds 10 to 20 kt. Chance of showers. Waves
1 to 3 ft.

$$

LMZ761-052115-
MAFOR 0516/
MICHIGAN NORTH 11300 11610 11800 11100 11200 11300 11100 11800.
Waves 1 foot or less.

MICHIGAN SOUTH 13810 11110 14100. Waves 2 feet or less.

$$


CMiller

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

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