FZUS53 KGRB 112056
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
356 PM CDT Mon May 11 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-120400-
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-
356 PM CDT Mon May 11 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

.LATE THIS AFTERNOON...SE wind 10 to 15 kts. Waves 2 ft or less.
Sunny.
.TONIGHT...S wind 10 to 15 kts. Waves 2 ft or less. A chance of
showers after midnight.
.TUESDAY...S wind 15 to 25 kts. Waves 3 to 5 ft. A chance of
showers.
.TUESDAY NIGHT...NW wind 15 to 25 kts. Waves 2 ft or less
building to 2 to 4 ft after midnight. Mostly cloudy.
.WEDNESDAY...NW wind 15 to 25 kts veering N 10 to 15 kts early in
the afternoon. Waves 2 to 4 ft. Partly sunny.

$$

LMZ541-120400-
Rock Island Passage to Sturgeon Bay WI-
356 PM CDT Mon May 11 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

.LATE THIS AFTERNOON...SE wind 5 to 10 kts. Waves 2 ft or less.
Sunny.
.TONIGHT...S wind 10 to 15 kts. Waves 1 to 3 ft. Mostly clear in
the evening then becoming mostly cloudy.
.TUESDAY...S wind to 30 kts. Waves 5 to 8 ft building to 6 to
10 ft in the afternoon. Rain showers in the morning, then a
chance of showers in the afternoon.
.TUESDAY NIGHT...W wind 10 to 15 kts veering NW, then increasing
to 15 to 25 kts after midnight. Waves 5 to 8 ft. A chance of
showers in the evening.
.WEDNESDAY...NW wind 15 to 25 kts. Waves 2 to 4 ft. Partly sunny.

$$

LMZ542-543-120400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
356 PM CDT Mon May 11 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY MORNING THROUGH
WEDNESDAY AFTERNOON...

.LATE THIS AFTERNOON...E wind 5 to 10 kts. Waves 2 ft or less.
Sunny.
.TONIGHT...SE wind 5 to 10 kts veering S 10 to 15 kts after
midnight. Waves 2 ft or less. A chance of showers after midnight.
.TUESDAY...S wind to 30 kts. Waves 5 to 8 ft building to 6 to
10 ft in the afternoon. Rain showers in the morning, then a
chance of showers in the afternoon.
.TUESDAY NIGHT...NW wind 15 to 25 kts. Waves 4 to 7 ft. Partly
cloudy.
.WEDNESDAY...NW wind 15 to 25 kts. Waves 2 to 4 ft subsiding to
1 to 3 ft in the afternoon. Partly sunny.

$$

See Lake Michigan Open Lake Forecast for Thursday through Saturday.

Wave height forecast is for ice free areas.