Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 232145
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
445 PM CDT Mon Jun 23 2025

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

LMZ521-522-240100-
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-
445 PM CDT Mon Jun 23 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 455 IN EFFECT UNTIL 9 PM CDT THIS
EVENING...

.REST OF THIS AFTERNOON...SW wind 10 to 15 kts with gusts to
around 25 kts. A chance of showers and thunderstorms. Waves 1 to
3 ft.
.TONIGHT...SW wind 5 to 10 kts veering NW after midnight. Patchy
fog. A chance of thunderstorms in the evening. A chance of light
showers. A chance of thunderstorms after midnight. Waves 2 ft or
less.
.TUESDAY...NE wind 5 to 10 kts veering E in the afternoon. Mostly
cloudy. Waves 2 ft or less.
.TUESDAY NIGHT...NE wind 5 to 10 kts. Partly cloudy in the
evening then becoming mostly cloudy. Waves 2 ft or less.
.WEDNESDAY...NE wind 5 to 10 kts. A chance of rain showers. Waves
2 ft or less.

$$

LMZ541-240100-
Rock Island Passage to Sturgeon Bay WI-
445 PM CDT Mon Jun 23 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 455 IN EFFECT UNTIL 9 PM CDT THIS
EVENING...

.REST OF THIS AFTERNOON...SW wind 10 to 15 kts with gusts to
around 25 kts. Patchy fog. A chance of showers and thunderstorms.
Waves 3 to 5 ft.
.TONIGHT...SW wind 5 to 10 kts veering NW after midnight. Patchy
fog. A chance of thunderstorms in the evening. A chance of
showers. A chance of thunderstorms after midnight. Waves 2 to
4 ft subsiding to 1 to 3 ft after midnight.
.TUESDAY...N wind 5 to 10 kts veering NE in the afternoon. Mostly
cloudy. Waves 2 ft or less.
.TUESDAY NIGHT...NE wind 5 to 10 kts. Partly cloudy in the
evening then becoming mostly cloudy. Waves 2 ft or less.
.WEDNESDAY...NE wind 5 to 10 kts. A chance of rain showers. Waves
2 ft or less.

$$

LMZ542-543-240100-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
445 PM CDT Mon Jun 23 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING...
...SEVERE THUNDERSTORM WATCH 455 IN EFFECT UNTIL 9 PM CDT THIS
EVENING...

.REST OF THIS AFTERNOON...SW wind 10 to 20 kts with gusts to
around 25 kts. Patchy fog. A chance of light showers and
thunderstorms. Waves 2 to 4 ft.
.TONIGHT...SW wind 5 to 10 kts veering W after midnight. Patchy
fog. Thunderstorms likely in the evening. Showers likely. A
chance of thunderstorms after midnight. Waves 2 to 4 ft subsiding
to 1 to 3 ft in the late evening and overnight.
.TUESDAY...NE wind 5 to 10 kts. Patchy fog in the morning. A
chance of light showers and thunderstorms. Waves 2 ft or less.
.TUESDAY NIGHT...NE wind 5 to 10 kts. A chance of rain showers.
Waves 2 ft or less.
.WEDNESDAY...NE wind 10 to 15 kts. A chance of rain showers.
Waves 2 ft or less.

$$

See Lake Michigan Open Lake Forecast for Thursday through Saturday.