Nearshore Marine Forecast
Issued by NWS Green Bay, WI

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FZUS53 KGRB 290349
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
949 PM CST Fri Nov 28 2025

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

LMZ521-522-291100-
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-
949 PM CST Fri Nov 28 2025

.REST OF THE NIGHT...NW wind 5 to 10 kts. Mostly cloudy. Waves
2 ft or less.
.SATURDAY...NE wind around 5 kts veering E 10 to 15 kts in the
afternoon. A chance of light snow in the morning, then snow in
the afternoon. Waves 1 to 3 ft.
.SATURDAY NIGHT...E wind 10 to 20 kts backing NE after midnight.
Gusts to around 25 kts. Snow. Waves 2 to 4 ft subsiding to 1 to
3 ft, then building to 2 to 4 ft early in the morning. A Small
Craft Advisory may be needed.
.SUNDAY...NW wind 15 to 25 kts with gusts to around 30 kts. Light
snow likely in the morning. Waves 3 to 5 ft.

$$

LMZ541-291100-
Rock Island Passage to Sturgeon Bay WI-
949 PM CST Fri Nov 28 2025

.REST OF THE NIGHT...NW wind 5 to 10 kts. Mostly cloudy. Waves
2 ft or less.
.SATURDAY...W wind 5 to 10 kts backing E 10 to 15 kts in the
afternoon. A chance of light snow in the morning, then snow in
the afternoon. Waves 2 ft or less building to 3 to 5 ft late in
the afternoon.
.SATURDAY NIGHT...SE wind 10 to 20 kts backing NE after midnight.
Gusts to around 25 kts. Snow. Waves 3 to 5 ft subsiding to 2 to
4 ft early in the morning. A Small Craft Advisory may be needed.
.SUNDAY...NW wind 15 to 25 kts with gusts to around 30 kts. Light
snow in the morning, then a chance of light snow in the
afternoon. Waves 3 to 5 ft subsiding to 2 to 4 ft late in the
afternoon.

$$

LMZ542-543-291100-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
949 PM CST Fri Nov 28 2025

.REST OF THE NIGHT...NW wind 5 to 10 kts. A slight chance of
light snow after midnight. Waves 2 ft or less.
.SATURDAY...SW wind 5 to 10 kts backing SE 10 to 20 kts with
gusts to around 25 kts in the afternoon. A chance of light snow
in the morning, then snow in the afternoon. Waves 1 to 3 ft
building to 4 to 7 ft late in the afternoon.
.SATURDAY NIGHT...SE wind 15 to 25 kts backing NE 10 to 20 kts
after midnight. Snow. Waves 5 to 8 ft subsiding to 4 to 7 ft
early in the morning.
.SUNDAY...NW wind 15 to 25 kts with gusts to around 30 kts. Light
snow likely in the morning. Waves 3 to 5 ft subsiding to 2 to
4 ft in the afternoon.

$$

See Lake Michigan Open Lake Forecast for Monday through Wednesday.