504
FZUS53 KGRB 091017
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
417 AM CST Tue Dec 9 2025

For waters within five nautical miles of the shore on Lake Michigan

LMZ521-522-092100-
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-
417 AM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM CST EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...

.TODAY...W wind 10 to 20 kts. A slight chance of light freezing
drizzle in the morning. A chance of light snow. Waves 2 to 4 ft
subsiding to 1 to 3 ft in the late morning and afternoon.
.TONIGHT...S wind 5 to 10 kts becoming NE 15 to 25 kts with gusts
to around 30 kts after midnight. Snow in the evening, then snow
likely and a slight chance of rain after midnight. Waves 1 to
3 ft building to 3 to 5 ft early in the morning.
.WEDNESDAY...N wind 15 to 25 kts with gusts to around 30 kts. A
chance of light snow in the morning. Waves 4 to 7 ft subsiding to
3 to 5 ft in the afternoon.
.WEDNESDAY NIGHT...NW wind 10 to 20 kts with gusts to around
30 kts. Partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft
after midnight. A Small Craft Advisory may be needed.

$$

LMZ541-092100-
Rock Island Passage to Sturgeon Bay WI-
417 AM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...
...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH
WEDNESDAY AFTERNOON...

.TODAY...W wind 10 to 20 kts. Gusts to around 25 kts. A chance of
light snow in the morning. Waves 5 to 8 ft subsiding to 2 to
4 ft.
.TONIGHT...S wind 5 to 10 kts becoming E 15 to 25 kts with gusts
to around 30 kts after midnight. A chance of snow in the evening.
A slight chance of rain. Snow after midnight. Waves 2 to 4 ft
subsiding to 1 to 3 ft, then building to 4 to 7 ft early in the
morning.
.WEDNESDAY...N wind 15 to 25 kts with gusts to around 30 kts. A
chance of light snow in the morning. Waves 4 to 7 ft subsiding to
2 to 4 ft.
.WEDNESDAY NIGHT...NW wind 15 to 25 kts with gusts to around
30 kts. Mostly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft in
the late evening and overnight.

$$

LMZ542-543-092100-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
417 AM CST Tue Dec 9 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...
...GALE WARNING IN EFFECT FROM LATE TONIGHT THROUGH WEDNESDAY
MORNING...

.TODAY...W wind 10 to 20 kts with gusts to around 25 kts. A
slight chance of light freezing drizzle in the morning. A chance
of light snow. Waves 4 to 7 ft subsiding to 1 to 3 ft.
.TONIGHT...S wind 10 to 20 kts backing N 15 to 25 kts with gusts
to around 35 kts after midnight. A slight chance of rain in the
evening. Snow. Rain after midnight. Waves 1 to 3 ft building to
4 to 7 ft.
.WEDNESDAY...N wind to around 30 kts with gusts to around 35 kts.
Light snow likely in the morning. Waves 5 to 8 ft subsiding to
3 to 5 ft.
.WEDNESDAY NIGHT...NW wind 10 to 20 kts with gusts to around
25 kts. Partly cloudy. Waves 2 to 4 ft subsiding to 1 to 3 ft in
the late evening and overnight. A Small Craft Advisory may be
needed.

$$

See Lake Michigan Open Lake Forecast for Thursday through Saturday.