FZUS53 KGRB 090835
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
335 AM CDT Thu Apr 9 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-091600-
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-
335 AM CDT Thu Apr 9 2026

.EARLY THIS MORNING...W wind 10 to 15 kts. Waves 2 ft or less.
Mostly clear.
.TODAY...W wind 10 to 15 kts. Waves 2 ft or less. Mostly sunny in
the morning then becoming partly cloudy.
.TONIGHT...N wind 5 to 10 kts veering NE in the late evening and
overnight. Waves 2 ft or less. Mostly cloudy.
.FRIDAY...N wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy.
.FRIDAY NIGHT...E wind 5 to 10 kts veering SW after midnight.
Waves 2 ft or less. Clear.

$$

LMZ541-091600-
Rock Island Passage to Sturgeon Bay WI-
335 AM CDT Thu Apr 9 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING...

.EARLY THIS MORNING...SW wind 10 to 15 kts. Waves 4 to 7 ft.
Mostly clear.
.TODAY...W wind 10 to 20 kts backing SW 5 to 10 kts early in the
afternoon. Waves 4 to 7 ft subsiding to 2 to 4 ft in the
afternoon. Mostly sunny in the morning then becoming partly
cloudy.
.TONIGHT...N wind 5 to 10 kts veering NE in the late evening and
overnight. Waves 1 to 3 ft. Mostly cloudy.
.FRIDAY...N wind 5 to 10 kts veering NE early in the afternoon.
Waves 2 ft or less. Partly cloudy.
.FRIDAY NIGHT...E wind 5 to 10 kts veering SW after midnight.
Waves 2 ft or less. Clear.

$$

LMZ542-543-091600-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
335 AM CDT Thu Apr 9 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 11 AM CDT THIS MORNING...

.EARLY THIS MORNING...SW wind 10 to 15 kts. Waves 4 to 7 ft.
Mostly clear.
.TODAY...W wind 10 to 15 kts. Waves 3 to 5 ft subsiding to 2 to
4 ft in the afternoon. Mostly sunny.
.TONIGHT...NW wind 5 to 10 kts veering NE in the late evening and
overnight. Waves 2 ft or less. A chance of light rain.
.FRIDAY...N wind 5 to 10 kts veering NE early in the afternoon.
Waves 2 ft or less. Partly cloudy.
.FRIDAY NIGHT...SE wind 5 to 10 kts veering S after midnight.
Waves 2 ft or less. Mostly clear.

$$

See Lake Michigan Open Lake Forecast for Saturday through Monday.

Wave height forecast is for ice free areas.