Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 160448
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
1148 PM CDT Tue Jul 15 2025

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

LMZ521-522-161000-
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-
1148 PM CDT Tue Jul 15 2025

.REST OF THE NIGHT...SW wind 5 to 10 kts. Partly cloudy. Waves
2 ft or less.
.WEDNESDAY...NE wind 10 to 15 kts. A chance of light showers and
thunderstorms in the afternoon. Waves 2 ft or less.
.WEDNESDAY NIGHT...N wind 10 to 20 kts with gusts to around
25 kts. Rain showers likely and a chance of thunderstorms in the
evening, then a chance of rain showers after midnight. Waves 1 to
3 ft. A Small Craft Advisory may be needed.
.THURSDAY...N wind 10 to 20 kts with gusts to around 25 kts.
Partly sunny in the morning then clearing. Waves 1 to 3 ft.

$$

LMZ541-161000-
Rock Island Passage to Sturgeon Bay WI-
1148 PM CDT Tue Jul 15 2025

.REST OF THE NIGHT...SW wind 10 to 15 kts. Partly cloudy late in
the evening then becoming mostly cloudy. Waves 1 to 3 ft.
.WEDNESDAY...N wind 10 to 15 kts. A chance of light showers and a
slight chance of thunderstorms in the afternoon. Waves 1 to 3 ft.
.WEDNESDAY NIGHT...N wind 15 to 25 kts. A chance of thunderstorms
in the evening. Rain showers likely. Waves 1 to 3 ft building to
2 to 4 ft early in the morning. A Small Craft Advisory may be
needed.
.THURSDAY...N wind 15 to 25 kts. Partly sunny in the morning then
clearing. Waves 2 to 4 ft subsiding to 1 to 3 ft in the late
morning and afternoon.

$$

LMZ542-543-161000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
1148 PM CDT Tue Jul 15 2025

.REST OF THE NIGHT...S wind 5 to 10 kts. Mostly clear. Waves 1 to
3 ft.
.WEDNESDAY...SE wind 5 to 10 kts backing NE 10 to 20 kts in the
afternoon. A chance of showers and thunderstorms in the
afternoon. Waves 1 to 3 ft.
.WEDNESDAY NIGHT...N wind 10 to 20 kts with gusts to around
25 kts. Rain showers and a chance of thunderstorms in the
evening, then a chance of rain showers after midnight. Waves 1 to
3 ft. A Small Craft Advisory may be needed.
.THURSDAY...N wind 15 to 25 kts. Mostly cloudy in the morning
then clearing. Waves 1 to 3 ft building to 2 to 4 ft in the late
morning and afternoon.

$$

See Lake Michigan Open Lake Forecast for Friday through Sunday.