FZUS53 KGRB 280928
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
428 AM CDT Tue Apr 28 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-281600-
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-
428 AM CDT Tue Apr 28 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

.EARLY THIS MORNING...W wind 10 to 20 kts. Waves 2 to 4 ft.
Mostly cloudy.
.TODAY...W wind 15 to 25 kts decreasing to 10 to 15 kts in the
late morning and afternoon. Waves 2 to 4 ft subsiding to 1 to
3 ft in the afternoon. Mostly cloudy.
.TONIGHT...N wind 5 to 10 kts. Waves 2 ft or less. Mostly cloudy.
.WEDNESDAY...N wind 5 to 10 kts. Waves 2 ft or less. Partly
sunny.
.WEDNESDAY NIGHT...NE wind 5 to 10 kts backing NW after midnight.
Waves 2 ft or less. Partly cloudy.

$$

LMZ541-281600-
Rock Island Passage to Sturgeon Bay WI-
428 AM CDT Tue Apr 28 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

.EARLY THIS MORNING...SW wind 10 to 20 kts. Waves 4 to 7 ft.
Mostly cloudy.
.TODAY...W wind 15 to 25 kts decreasing to 10 to 15 kts in the
late morning and afternoon. Waves 4 to 7 ft subsiding to 2 to
4 ft in the afternoon. Partly sunny.
.TONIGHT...N wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy
in the evening then becoming mostly cloudy.
.WEDNESDAY...N wind 5 to 10 kts veering SE early in the
afternoon. Waves 2 ft or less. Mostly cloudy in the morning then
becoming partly cloudy.
.WEDNESDAY NIGHT...N wind 5 to 10 kts. Waves 2 ft or less. Partly
cloudy.

$$

LMZ542-543-281600-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
428 AM CDT Tue Apr 28 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

.EARLY THIS MORNING...W wind 15 to 25 kts. Waves 4 to 7 ft.
Mostly cloudy.
.TODAY...W wind 15 to 25 kts decreasing to 10 to 15 kts early in
the afternoon. Waves 3 to 5 ft subsiding to 1 to 3 ft in the
afternoon. Partly sunny.
.TONIGHT...NW wind 5 to 10 kts veering NE in the late evening and
overnight. Waves 2 ft or less. Mostly cloudy.
.WEDNESDAY...NE wind 5 to 10 kts veering E early in the
afternoon. Waves 2 ft or less. Partly sunny.
.WEDNESDAY NIGHT...E wind 5 to 10 kts backing NW after midnight.
Waves 2 ft or less. Partly cloudy.

$$

See Lake Michigan Open Lake Forecast for Thursday through Saturday.

Wave height forecast is for ice free areas.