Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 241330
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
830 AM CDT Mon Mar 24 2025

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

LMZ521-522-242000-
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-
830 AM CDT Mon Mar 24 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON...

.TODAY...NW wind 10 to 20 kts with gusts to around 30 kts. A
chance of light snow. A slight chance of light rain in the
afternoon. Waves 1 to 3 ft building to 2 to 4 ft early in the
afternoon, then subsiding to 1 to 3 ft late in the afternoon.
.TONIGHT...NW wind 10 to 20 kts with a few gusts to around
25 kts. Partly cloudy. Waves 1 to 3 ft. A Small Craft Advisory
may be needed.
.TUESDAY...NW wind 10 to 20 kts. Partly cloudy. Waves 2 ft or
less.
.TUESDAY NIGHT...N wind 5 to 10 kts. Mostly clear. Waves 2 ft or
less.

Wave height forecast is for ice free areas.
$$

LMZ541-242000-
Rock Island Passage to Sturgeon Bay WI-
830 AM CDT Mon Mar 24 2025

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CDT THIS AFTERNOON...

.TODAY...NW wind 15 to 25 kts with gusts to around 30 kts. Light
snow likely in the morning, then a slight chance of light snow in
the afternoon. Waves 2 to 4 ft subsiding to 1 to 3 ft in the late
morning and afternoon.
.TONIGHT...NW wind 10 to 20 kts with a few gusts to around
25 kts. Mostly cloudy in the evening then becoming partly cloudy.
Waves 1 to 3 ft. A Small Craft Advisory may be needed.
.TUESDAY...NW wind 10 to 20 kts. Partly cloudy. Waves 2 ft or
less.
.TUESDAY NIGHT...N wind 5 to 10 kts. Mostly clear. Waves 2 ft or
less.

$$

LMZ542-543-242000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
830 AM CDT Mon Mar 24 2025

...GALE WARNING IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON...

.TODAY...W wind to around 30 kts with gusts to around 35 kts.
Light snow in the morning, then a slight chance of light snow in
the afternoon. Waves 2 to 4 ft subsiding to 1 to 3 ft late in the
afternoon.
.TONIGHT...NW wind 10 to 20 kts with a few gusts to around
25 kts. Mostly clear. Waves 2 ft or less. A Small Craft Advisory
may be needed.
.TUESDAY...NW wind 10 to 15 kts. Mostly sunny in the morning then
becoming partly cloudy. Waves 2 ft or less.
.TUESDAY NIGHT...N wind 5 to 10 kts. Mostly clear. Waves 2 ft or
less.

$$

See Lake Michigan Open Lake Forecast for Wednesday through Friday.