FZUS53 KGRB 250956
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
456 AM CDT Mon May 25 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-251600-
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-
456 AM CDT Mon May 25 2026

.EARLY THIS MORNING...SW wind 5 to 10 kts. Waves 2 ft or less.
Patchy fog.
.TODAY...SW wind 10 to 15 kts. Waves 1 to 3 ft. Patchy dense fog
in the morning. a slight chance of showers. A slight chance of
thunderstorms in the afternoon.
.TONIGHT...SW wind 10 to 15 kts. Waves 1 to 3 ft. Mostly clear.
.TUESDAY...SW wind 10 to 15 kts backing S 5 to 10 kts early in
the afternoon. Waves 2 ft or less. A chance of showers in the
afternoon.
.TUESDAY NIGHT...NE wind 5 to 10 kts. Waves 2 ft or less. Partly
cloudy.

$$

LMZ541-251600-
Rock Island Passage to Sturgeon Bay WI-
456 AM CDT Mon May 25 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH TUESDAY MORNING...

.EARLY THIS MORNING...S wind 10 to 15 kts. Waves 2 ft or less.
Widespread dense fog.
.TODAY...S wind 10 to 15 kts. Waves 1 to 3 ft building to 2 to
4 ft in the afternoon. Patchy dense fog in the morning.
.TONIGHT...SW wind 10 to 20 kts. Waves 3 to 5 ft. Mostly clear.
.TUESDAY...SW wind 10 to 15 kts backing S early in the afternoon.
Waves 2 to 4 ft. Mostly sunny.
.TUESDAY NIGHT...SE wind 5 to 10 kts backing NE in the late
evening and overnight. Waves 2 to 4 ft. Partly cloudy.

$$

LMZ542-543-251600-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
456 AM CDT Mon May 25 2026

...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING...
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH TUESDAY MORNING...

.EARLY THIS MORNING...S wind 5 to 10 kts. Waves 2 ft or less.
Widespread dense fog.
.TODAY...S wind 10 to 15 kts. Waves 2 ft or less building to 2 to
4 ft in the afternoon. Patchy dense fog in the morning.
.TONIGHT...SW wind 10 to 15 kts. Waves 2 to 4 ft. Mostly clear.
.TUESDAY...SW wind 10 to 15 kts backing S early in the afternoon.
Waves 1 to 3 ft building to 2 to 4 ft in the afternoon. Sunny.
.TUESDAY NIGHT...S wind 10 to 15 kts veering N 5 to 10 kts after
midnight. Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight.
A chance of showers in the evening.

$$

See Lake Michigan Open Lake Forecast for Wednesday through Friday.

Wave height forecast is for ice free areas.