Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 141824
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
123 PM CDT Mon Sep 14 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-142200-
Green Bay south of line from Cedar River to Rock Island Passage
and north of a line from Oconto WI to Little Sturgeon Bay WI-
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI-
123 PM CDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 9 PM CDT THIS EVENING THROUGH
TUESDAY MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY AFTERNOON...

.THIS AFTERNOON...S wind 10 to 15 kts. Waves 2 to 4 ft. Mostly
cloudy.
.TONIGHT...S wind to 30 kts with gale force gusts to around
40 kts. Waves 4 to 7 ft. Rain showers and a slight chance of
thunderstorms.
.TUESDAY...SW wind 15 to 25 kts veering W 10 to 20 kts early in
the afternoon. Waves 4 to 7 ft subsiding to 1 to 3 ft in the
afternoon. Mostly cloudy.
.TUESDAY NIGHT...NW wind 5 to 10 kts. Waves 2 ft or less. Mostly
clear.

$$

LMZ541>543-142200-
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
123 PM CDT Mon Sep 14 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 9 PM CDT THIS EVENING...
...GALE WARNING IN EFFECT FROM 9 PM CDT THIS EVENING THROUGH
TUESDAY MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
TUESDAY EVENING...

.THIS AFTERNOON...S wind 10 to 15 kts increasing to 15 to 25 kts
early in the afternoon. Waves 3 to 5 ft. Mostly cloudy.
.TONIGHT...S wind 15 to 25 kts increasing to gales to 35 kts,
then decreasing to to 30 kts after midnight. Gusts to 40 kts.
Waves 8 to 12 ft building to 10 to 14 ft after midnight. A chance
of showers in the evening. A slight chance of thunderstorms.
Showers after midnight.
.TUESDAY...SW wind 15 to 25 kts with gale force gusts to around
35 kts veering W 10 to 20 kts early in the afternoon. Waves 8 to
12 ft subsiding to 5 to 8 ft in the afternoon. Mostly cloudy.
.TUESDAY NIGHT...NW wind 10 to 15 kts veering N in the late
evening and overnight. Waves 2 to 4 ft subsiding to 1 to 3 ft
after midnight. Partly cloudy.

$$

See Lake Michigan Open Lake Forecast for Wednesday through Friday.