FZUS53 KGRB 142013
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
313 PM CDT Thu May 14 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-150400-
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-
313 PM CDT Thu May 14 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
FRIDAY EVENING...

.LATE THIS AFTERNOON...SE wind 10 to 15 kts. Waves 2 ft or less.
Sunny.
.TONIGHT...S wind 10 to 15 kts. Waves 1 to 3 ft. A chance of
showers after midnight.
.FRIDAY...S wind 15 to 25 kts. Waves 2 to 4 ft. Partly cloudy.
.FRIDAY NIGHT...S wind 15 to 25 kts decreasing to 10 to 15 kts in
the late evening and overnight. Waves 3 to 5 ft subsiding to 1 to
3 ft after midnight. Mostly clear in the evening then becoming
mostly cloudy.
.SATURDAY...SW wind 10 to 15 kts. Waves 2 ft or less. Partly
cloudy.

$$

LMZ541-150400-
Rock Island Passage to Sturgeon Bay WI-
313 PM CDT Thu May 14 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
SATURDAY MORNING...

.LATE THIS AFTERNOON...S wind 5 to 10 kts. Waves 2 ft or less.
Sunny.
.TONIGHT...S wind 10 to 15 kts. Waves 2 to 4 ft. A slight chance
of showers after midnight.
.FRIDAY...S wind to 30 kts. Waves 4 to 7 ft building to 6 to
10 ft in the afternoon. Partly cloudy.
.FRIDAY NIGHT...S wind to 30 kts with gale force gusts to around
35 kts decreasing to 10 to 15 kts after midnight. Waves 6 to
10 ft subsiding to 5 to 8 ft after midnight. Partly cloudy in the
evening then becoming mostly cloudy.
.SATURDAY...S wind 10 to 15 kts. Waves 3 to 5 ft subsiding to
2 to 4 ft in the afternoon. Partly cloudy.

$$

LMZ542-543-150400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
313 PM CDT Thu May 14 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY MORNING THROUGH
SATURDAY MORNING...

.LATE THIS AFTERNOON...S wind 5 to 10 kts. Waves 2 ft or less.
Sunny.
.TONIGHT...S wind 10 to 15 kts. Waves 1 to 3 ft. A slight chance
of showers after midnight.
.FRIDAY...S wind to 30 kts. Waves 4 to 7 ft building to 5 to 8 ft
in the afternoon. Partly cloudy.
.FRIDAY NIGHT...S wind 15 to 25 kts decreasing to 10 to 15 kts
after midnight. Waves 6 to 10 ft subsiding to 4 to 7 ft after
midnight. A chance of showers after midnight.
.SATURDAY...S wind 10 to 15 kts. Waves 3 to 5 ft subsiding to
2 to 4 ft in the afternoon. Partly cloudy.

$$

See Lake Michigan Open Lake Forecast for Sunday through Tuesday.

Wave height forecast is for ice free areas.