Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 291848
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
148 PM CDT Sun Jun 29 2025

For waters within five nautical miles of the shore on Lake Michigan

LMZ521-522-300200-
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-
148 PM CDT Sun Jun 29 2025

...SEVERE THUNDERSTORM WATCH 477 IN EFFECT UNTIL 9 PM CDT THIS
EVENING...

.THIS AFTERNOON...S wind 5 to 10 kts. A chance of light showers
and thunderstorms. Waves 2 ft or less.
.TONIGHT...SW wind 5 to 10 kts. A chance of light showers and
thunderstorms. Waves 2 ft or less.
.MONDAY...SW wind 5 to 10 kts. A chance of light showers and
thunderstorms. Waves 2 ft or less.
.MONDAY NIGHT...W wind 5 to 10 kts. Mostly clear. Waves 2 ft or
less.

$$

LMZ541-300200-
Rock Island Passage to Sturgeon Bay WI-
148 PM CDT Sun Jun 29 2025

...SEVERE THUNDERSTORM WATCH 477 IN EFFECT UNTIL 9 PM CDT THIS
EVENING...

.THIS AFTERNOON...S wind 10 to 20 kts. A chance of light showers
and thunderstorms. Waves 1 to 3 ft.
.TONIGHT...SW wind 10 to 15 kts. A chance of light showers and
thunderstorms. Waves 1 to 3 ft.
.MONDAY...SW wind 5 to 10 kts. A chance of light showers and
thunderstorms. Waves 2 ft or less.
.MONDAY NIGHT...SW wind 5 to 10 kts veering W after midnight.
Partly cloudy in the evening then clearing. Waves 2 ft or less.

$$

LMZ542-543-300200-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
148 PM CDT Sun Jun 29 2025

...SEVERE THUNDERSTORM WATCH 477 IN EFFECT UNTIL 9 PM CDT THIS
EVENING...

.THIS AFTERNOON...S wind 10 to 20 kts. A chance of thunderstorms
and a slight chance of light showers. Waves 1 to 3 ft.
.TONIGHT...SW wind 10 to 15 kts. A chance of light showers and
thunderstorms. Waves 1 to 3 ft.
.MONDAY...SW wind 5 to 10 kts. A chance of showers and
thunderstorms. Waves 2 ft or less.
.MONDAY NIGHT...W wind 5 to 10 kts. Mostly clear. Waves 2 ft or
less.

$$

See Lake Michigan Open Lake Forecast for Tuesday through Thursday.