937
FZUS63 KMKX 231403
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
903 AM CDT Thu May 23 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 around 29.9 inches will drift across the Great Lakes
today into tonight. Light to modest westerly winds will prevail
over the entire lake. Winds will become east-southeast on Friday
as a low pressure trough around 29.5 inches approaches from
Wisconsin. Thunderstorms are likely along this trough Friday
afternoon and night. Winds will shift to the west in the wake of
the trough Saturday morning and high pressure around 29.9 inches
will overspread the Lake Michigan. Low pressure around 29.3 inches
will slide across the Midwest Sunday and across Lower Michigan
Monday.

LMZ261-362-364-366-563-565-567-868-232115-
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-
903 AM CDT Thu May 23 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Southwest winds 10 to 20 kt. Waves 1 to 3 ft.
.TONIGHT...Southwest winds 15 to 20 kt diminishing to 10 to 15 kt
late in the evening, then veering to northeast after midnight
becoming east late. Waves 1 to 3 ft.
.FRIDAY...East winds 10 to 15 kt increasing to 10 to 20 kt.
Chance of showers and thunderstorms in the afternoon. Waves 1 to
3 ft.
.FRIDAY NIGHT...Southeast winds 15 to 20 kt becoming south.
Showers and thunderstorms. Waves 3 to 5 ft.
.SATURDAY...West winds 10 to 20 kt becoming southwest. Waves 2 to
4 ft subsiding to 1 to 3 ft.
.SATURDAY NIGHT...South winds 10 to 20 kt becoming southeast 5 to
10 kt. Waves 1 to 3 ft.
.SUNDAY...East winds 10 to 15 kt becoming northeast 10 to 20 kt.
Waves 1 to 3 ft.
.MONDAY...North winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of showers. Waves 2 to 4 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-232115-
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-
903 AM CDT Thu May 23 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Southwest winds 10 to 15 kt becoming south 10 to
20 kt. Waves 1 to 3 ft.
.TONIGHT...Southeast winds 10 to 20 kt diminishing to 5 to 10 kt.
Waves 1 to 3 ft subsiding to 1 to 2 ft.
.FRIDAY...Southeast winds 10 to 15 kt increasing to 10 to 20 kt.
Chance of showers and thunderstorms in the afternoon. Waves 2 to
4 ft.
.FRIDAY NIGHT...South winds 10 to 20 kt becoming southwest.
Showers and thunderstorms. Waves 2 to 4 ft.
.SATURDAY...West winds 10 to 20 kt. Waves 2 to 4 ft.
.SATURDAY NIGHT...Southeast winds 10 to 15 kt becoming east 5 to
10 kt. Waves 1 to 2 ft.
.SUNDAY...East winds 10 to 20 kt. Chance of showers and
thunderstorms. Waves 1 to 3 ft building to 2 to 4 ft.
.MONDAY...Northwest winds 10 to 20 kt increasing to 15 to 25 kt.
Chance of showers. Waves 3 to 5 ft.

$$

LMZ761-232115-
MAFOR 2316/
MICHIGAN NORTH 12520 11530 11520 11600 11200 12210. Waves 2 feet
or less.

MICHIGAN SOUTH 12420 11320 11310 12300 12310. Waves 2 feet or
less.

$$


Gehring

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

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