182
FZUS63 KMKX 231419
GLFLM

OPEN LAKE FORECAST for Lake Michigan
National Weather Service Milwaukee/Sullivan WI
919 AM CDT Mon Sep 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...

Modest north to northeast winds will persist through this
afternoon as low pressure around 29.9 inches over the lower Great
Lakes continues toward the New England States. Meanwhile high
pressure around 30.1 inches over Lake Superior and northern WI
will move just slightly eastward. Low pressure around 29.7 inches
then track from southern IL to southern lower MI on Tuesday while
surface ridging remains over Lake Superior. This will maintain
modest east to northeast winds to the lake. The winds will then
shift northerly for Tuesday night and Wednesday as the low moves
away.

LMZ261-362-364-366-563-565-567-868-232130-
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-
919 AM CDT Mon Sep 23 2024

SHEBOYGAN WI TO PENTWATER MI NORTH...

.REST OF TODAY...Northeast winds 10 to 20 kt. Waves 3 to 5 ft.
.TONIGHT...Northeast winds 10 to 20 kt becoming southeast 10 to
15 kt. Waves 2 to 4 ft.
.TUESDAY...East winds 10 to 15 kt becoming northeast 10 to 20 kt.
Chance of showers in the afternoon. Waves 2 to 4 ft.
.TUESDAY NIGHT...Northeast winds 10 to 20 kt becoming north 10 to
15 kt. Chance of showers in the evening. Waves 2 to 4 ft
subsiding to 1 to 3 ft.
.WEDNESDAY...North winds 10 to 15 kt becoming west 10 to 20 kt.
Waves 1 to 2 ft.
.WEDNESDAY NIGHT...West winds 10 to 15 kt becoming northwest 5 to
10 kt. Waves 1 to 2 ft.
.THURSDAY...North winds 5 to 10 kt increasing to 10 to 15 kt.
Waves 1 ft or less.
.FRIDAY...East winds 10 to 15 kt becoming northeast 10 to 20 kt.
Waves 1 to 3 ft.

$$

LMZ080-669-671-673-675-777-779-870-872-874-876-878-232130-
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-
919 AM CDT Mon Sep 23 2024

SHEBOYGAN WI TO PENTWATER MI SOUTH...

.REST OF TODAY...Northeast winds 10 to 20 kt becoming north 10 to
15 kt. Waves 4 to 7 ft occasionally to 9 ft subsiding to 3 to
5 ft.
.TONIGHT...Northeast winds 10 to 15 kt becoming east 10 to 20 kt.
Chance of showers overnight. Waves 2 to 4 ft.
.TUESDAY...East winds 10 to 20 kt becoming northeast. Chance of
showers. Waves 3 to 5 ft.
.TUESDAY NIGHT...North winds 10 to 20 kt diminishing to 10 to
15 kt. Chance of showers in the evening. Waves 3 to 5 ft
subsiding to 2 to 4 ft.
.WEDNESDAY...North winds 10 to 15 kt. Waves 1 to 3 ft.
.WEDNESDAY NIGHT...North winds 5 to 10 kt. Waves 1 to 2 ft.
.THURSDAY...Northeast winds 10 to 15 kt. Waves 1 to 2 ft.
.FRIDAY...East winds 10 to 20 kt becoming northeast 15 to 25 kt.
Waves 3 to 5 ft.

$$

LMZ761-232130-
MAFOR 2316/
MICHIGAN NORTH 13110 11120 11220 11310 12210. Waves 2 to 4 feet
this afternoon. Waves 1 to 3 feet tonight and Tuesday morning.

MICHIGAN SOUTH 11110 12810 11110 11220 11210 12220. A chance of
showers overnight and Tuesday morning. Waves 3 to 5 feet
subsiding to 2 to 4 feet this afternoon. Waves 1 to 3 feet
tonight. Waves 1 to 3 feet building to 2 to 4 feet Tuesday
morning.

$$


Gehring

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

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