Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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521
FZUS53 KGRB 241144
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
644 AM CDT Sat May 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-
644 AM CDT Sat May 24 2025

.TODAY...N wind around 5 kts backing S in the afternoon.
Scattered rain showers in the afternoon. Waves 2 ft or less.
.TONIGHT...S wind around 5 kts veering N after midnight. Isolated
rain showers in the evening. Waves 2 ft or less.
.SUNDAY...N wind around 5 kts veering E in the afternoon. A
chance of sprinkles in the afternoon. Waves 2 ft or less.
.SUNDAY NIGHT...E wind around 5 kts backing N after midnight.
Mostly clear. Waves 2 ft or less.

$$

LMZ541-242000-
Rock Island Passage to Sturgeon Bay WI-
644 AM CDT Sat May 24 2025

.TODAY...NW wind 5 to 10 kts backing SW in the afternoon.
Isolated rain showers in the afternoon. Waves 2 ft or less.
.TONIGHT...W wind around 5 kts veering N after midnight. Isolated
rain showers in the evening. Waves 2 ft or less.
.SUNDAY...NW wind around 5 kts veering NE in the afternoon.
Mostly sunny in the morning then becoming partly cloudy. Waves
2 ft or less.
.SUNDAY 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-
644 AM CDT Sat May 24 2025

.TODAY...N wind around 5 kts veering SE in the afternoon.
Isolated rain showers in the afternoon. Waves 2 ft or less.
.TONIGHT...S wind around 5 kts veering NW after midnight.
Isolated rain showers in the evening. Waves 2 ft or less.
.SUNDAY...NE wind around 5 kts veering E in the afternoon. A
chance of sprinkles in the afternoon. Waves 2 ft or less.
.SUNDAY NIGHT...NE wind around 5 kts backing N after midnight.
Mostly clear. Waves 2 ft or less.

$$

See Lake Michigan Open Lake Forecast for Monday through Wednesday.