FZUS53 KGRB 252034
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
334 PM CDT Sat Apr 25 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-260400-
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-
334 PM CDT Sat Apr 25 2026

.LATE THIS AFTERNOON...NE wind 10 to 15 kts. Waves 2 ft or less.
Partly cloudy.
.TONIGHT...E wind 5 to 10 kts. Waves 2 ft or less. Partly cloudy
in the evening then becoming mostly cloudy.
.SUNDAY...E wind 5 to 10 kts. Waves 2 ft or less. Mostly cloudy
in the morning then becoming partly cloudy.
.SUNDAY NIGHT...E wind 5 to 10 kts veering SE 10 to 15 kts after
midnight. Waves 2 ft or less. Partly cloudy in the evening then
becoming mostly cloudy.
.MONDAY...SE wind 10 to 20 kts. Waves 1 to 3 ft. Rain showers
likely in the afternoon.

$$

LMZ541-260400-
Rock Island Passage to Sturgeon Bay WI-
334 PM CDT Sat Apr 25 2026

.LATE THIS AFTERNOON...NE wind 10 to 15 kts. Waves 2 ft or less.
Partly cloudy.
.TONIGHT...E wind 10 to 15 kts veering SE 5 to 10 kts after
midnight. Waves 2 ft or less. Partly cloudy in the evening then
becoming mostly cloudy.
.SUNDAY...SE wind 5 to 10 kts backing E early in the afternoon.
Waves 2 ft or less. Mostly cloudy in the morning then becoming
mostly sunny.
.SUNDAY NIGHT...NE wind 5 to 10 kts veering SE 10 to 15 kts in
the late evening and overnight. Waves 1 to 3 ft. Partly cloudy in
the evening then becoming mostly cloudy.
.MONDAY...SE wind 10 to 15 kts increasing to 15 to 25 kts early
in the afternoon. Waves 2 to 4 ft building to 4 to 7 ft in the
afternoon. A chance of showers in the afternoon. A Small Craft
Advisory may be needed.

$$

LMZ542-543-260400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
334 PM CDT Sat Apr 25 2026

.LATE THIS AFTERNOON...NE wind 10 to 15 kts. Waves 2 ft or less.
Mostly sunny.
.TONIGHT...NE wind 10 to 15 kts veering SE 5 to 10 kts after
midnight. Waves 2 ft or less. Mostly clear in the evening then
becoming mostly cloudy.
.SUNDAY...E wind 5 to 10 kts. Waves 2 ft or less. Partly sunny.
.SUNDAY NIGHT...NE wind 5 to 10 kts veering SE 10 to 20 kts in
the late evening and overnight. Waves 2 ft or less building to
3 to 5 ft after midnight. Partly cloudy in the evening then
becoming mostly cloudy. A Small Craft Advisory may be needed.
.MONDAY...SE wind to 30 kts. Waves 4 to 7 ft building to 6 to
10 ft in the afternoon. Rain showers likely in the afternoon.

$$

See Lake Michigan Open Lake Forecast for Tuesday through Thursday.

Wave height forecast is for ice free areas.