Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 111857
NSHGRB

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

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-112200-
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-
157 PM CDT Mon May 11 2026

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

.THIS AFTERNOON...SE wind 5 to 10 kts. Waves 2 ft or less. Mostly
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 1 to 3 ft. Mostly
cloudy.

$$

LMZ541-112200-
Rock Island Passage to Sturgeon Bay WI-
157 PM CDT Mon May 11 2026

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

.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.

$$

LMZ542-543-112200-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
157 PM CDT Mon May 11 2026

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

.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.

$$

See Lake Michigan Open Lake Forecast for Wednesday through Friday.

Wave height forecast is for ice free areas.