FZUS53 KGRB 050034
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
734 PM CDT Thu Jun 4 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-050400-
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-
734 PM CDT Thu Jun 4 2026

...SMALL CRAFT SHOULD EXERCISE CAUTION FROM THIS AFTERNOON
THROUGH LATE TONIGHT...

.TONIGHT...S wind 10 to 15 kts. Waves 1 to 3 ft. A chance of
showers. A slight chance of thunderstorms after midnight.
.FRIDAY...S wind 10 to 15 kts. Waves 2 ft or less. A chance of
showers and a slight chance of thunderstorms.
.FRIDAY NIGHT...SW wind 5 to 10 kts. Waves 2 ft or less. Rain
showers likely and a chance of thunderstorms in the evening.
.SATURDAY...NW wind 5 to 10 kts veering NE mid-day, then veering
E early in the afternoon. Waves 2 ft or less. Partly cloudy in
the morning then clearing.

$$

LMZ541-050400-
Rock Island Passage to Sturgeon Bay WI-
734 PM CDT Thu Jun 4 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT FRIDAY...

.TONIGHT...S wind 10 to 15 kts. Waves 3 to 5 ft. A chance of
showers.
.FRIDAY...S wind 10 to 15 kts. Waves 1 to 3 ft building to 2 to
4 ft in the afternoon. Rain showers likely in the morning, then a
chance of showers and a slight chance of thunderstorms in the
afternoon.
.FRIDAY NIGHT...SW wind 5 to 10 kts. Waves 2 to 4 ft. A chance of
showers and thunderstorms.
.SATURDAY...W wind 5 to 10 kts backing SE in the late morning and
afternoon. Waves 1 to 3 ft. Partly cloudy.

$$

LMZ542-543-050400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
734 PM CDT Thu Jun 4 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT FRIDAY...

.TONIGHT...S wind 10 to 15 kts. Waves 3 to 5 ft subsiding to 2 to
4 ft after midnight. Rain showers likely after midnight.
.FRIDAY...S wind 10 to 15 kts. Waves 1 to 3 ft building to 2 to
4 ft in the afternoon. Rain showers in the morning. A slight
chance of thunderstorms. A chance of showers in the afternoon.
.FRIDAY NIGHT...SW wind 5 to 10 kts. Waves 2 to 4 ft subsiding to
1 to 3 ft after midnight. A chance of showers and thunderstorms.
.SATURDAY...W wind 5 to 10 kts backing S mid-day, then backing SE
early in the afternoon. Waves 2 ft or less. Partly cloudy.

$$

See Lake Michigan Open Lake Forecast for Sunday through Tuesday.

Wave height forecast is for ice free areas.