FZUS53 KGRB 270229
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
929 PM CDT Sun Apr 26 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-271000-
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-
929 PM CDT Sun Apr 26 2026

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

.REST OF TONIGHT...E wind 5 to 10 kts veering SE 10 to 15 kts
after midnight. Waves 2 ft or less. Partly cloudy early in the
evening then becoming mostly cloudy.
.MONDAY...SE wind 15 to 25 kts. Waves 2 to 4 ft. Patchy fog. a
slight chance of showers in the morning. Rain showers likely and
a slight chance of thunderstorms in the afternoon.
.MONDAY NIGHT...S wind 15 to 25 kts veering SW after midnight.
Waves 3 to 5 ft. Patchy fog in the evening. showers and a chance
of thunderstorms.
.TUESDAY...W wind 15 to 25 kts decreasing to 10 to 15 kts in the
late morning and afternoon. Waves 1 to 3 ft. Partly sunny.

$$

LMZ541-271000-
Rock Island Passage to Sturgeon Bay WI-
929 PM CDT Sun Apr 26 2026

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

.REST OF TONIGHT...NE wind 5 to 10 kts veering SE 10 to 15 kts in
the late evening and overnight. Waves 1 to 3 ft. Partly cloudy
early in the evening then becoming mostly cloudy.
.MONDAY...SE wind 10 to 15 kts increasing to 15 to 25 kts early
in the afternoon. Waves 2 to 4 ft building to 4 to 7 ft in the
afternoon. Patchy fog. showers likely and a slight chance of
thunderstorms in the afternoon.
.MONDAY NIGHT...S wind to 30 kts veering SW 15 to 25 kts after
midnight. Waves 6 to 10 ft. Patchy fog in the evening. showers
and a chance of thunderstorms.
.TUESDAY...W wind 15 to 25 kts decreasing to 10 to 15 kts in the
late morning and afternoon. Waves 4 to 7 ft. Partly sunny.

$$

LMZ542-543-271000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
929 PM CDT Sun Apr 26 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM CDT MONDAY THROUGH
TUESDAY AFTERNOON...

.REST OF TONIGHT...E wind 10 to 15 kts veering SE after midnight.
Waves 2 ft or less building to 2 to 4 ft after midnight. Mostly
cloudy.
.MONDAY...SE wind 15 to 25 kts. Gusts to 35 kts in the afternoon.
Waves 4 to 7 ft building to 6 to 10 ft in the afternoon. Patchy
fog. a chance of showers in the morning. Rain showers likely and
a chance of thunderstorms in the afternoon.
.MONDAY NIGHT...S wind to 30 kts veering SW 15 to 25 kts after
midnight. Waves 6 to 10 ft. Patchy fog in the evening. showers
and a chance of thunderstorms.
.TUESDAY...W wind 15 to 25 kts decreasing to 10 to 15 kts early
in the afternoon. Waves 4 to 7 ft subsiding to 1 to 3 ft in the
afternoon. Partly sunny.

$$

See Lake Michigan Open Lake Forecast for Wednesday through Friday.

Wave height forecast is for ice free areas.