FZUS53 KGRB 120056
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
756 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-
756 PM CDT Mon May 11 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT TUESDAY THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...SE wind 10 to 15 kts. Waves 2 ft or less. A chance of
showers after midnight.
.TUESDAY...S wind 15 to 25 kts with gale force gusts to around
35 kts decreasing to 10 to 15 kts early in the afternoon. Waves
3 to 5 ft. Rain showers likely in the morning, then a chance of
showers and a slight chance of thunderstorms in the afternoon.
.TUESDAY NIGHT...NW wind 5 to 10 kts increasing to 15 to 25 kts
in the late evening and overnight. Waves 2 ft or less building to
2 to 4 ft after midnight. A chance of showers in the evening.
.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-
756 PM CDT Mon May 11 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT TUESDAY THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...SE wind 10 to 15 kts. Waves 1 to 3 ft. A chance of
showers after midnight.
.TUESDAY...S wind to 30 kts with gale force gusts to around
35 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 and a
slight chance of thunderstorms 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-
756 PM CDT Mon May 11 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 7 AM CDT TUESDAY THROUGH
WEDNESDAY AFTERNOON...

.TONIGHT...E wind 5 to 10 kts veering S in the late evening and
overnight. Waves 2 ft or less. A chance of showers after
midnight.
.TUESDAY...S wind to 30 kts with gale force gusts to around
40 kts. Waves 5 to 8 ft building to 6 to 10 ft in the afternoon.
Rain showers likely in the morning, then a chance of showers and
thunderstorms in the afternoon.
.TUESDAY NIGHT...NW wind 15 to 25 kts. Waves 4 to 7 ft. Partly
cloudy in the evening then becoming mostly 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.