FZUS53 KGRB 181856
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
156 PM CDT Sat Apr 18 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-182200-
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-
156 PM CDT Sat Apr 18 2026

.THIS AFTERNOON...W wind 10 to 15 kts increasing to 15 to 25 kts
early in the afternoon. Waves 1 to 3 ft. Partly sunny.
.TONIGHT...W wind 10 to 20 kts. Waves 1 to 3 ft. Partly cloudy.
.SUNDAY...NW wind 10 to 15 kts. Waves 2 ft or less. Partly sunny.
.SUNDAY NIGHT...N wind 5 to 10 kts backing W after midnight.
Waves 2 ft or less. Clear.

$$

LMZ541-182200-
Rock Island Passage to Sturgeon Bay WI-
156 PM CDT Sat Apr 18 2026

.THIS AFTERNOON...W wind 10 to 15 kts. Waves 1 to 3 ft. Partly
sunny.
.TONIGHT...W wind 10 to 15 kts. Waves 1 to 3 ft. Mostly cloudy in
the evening then becoming partly cloudy.
.SUNDAY...NW wind 10 to 15 kts. Waves 2 ft or less. Partly sunny.
.SUNDAY NIGHT...N wind 10 to 15 kts backing NW 5 to 10 kts after
midnight. Waves 2 ft or less. Mostly clear.

$$

LMZ542-543-182200-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
156 PM CDT Sat Apr 18 2026

.THIS AFTERNOON...W wind 15 to 25 kts. Waves 1 to 3 ft. Partly
cloudy.
.TONIGHT...W wind 15 to 25 kts decreasing to 10 to 15 kts in the
late evening and overnight. Waves 1 to 3 ft. Mostly clear. A
Small Craft Advisory may be needed.
.SUNDAY...NW wind 10 to 15 kts. Waves 2 ft or less. Partly sunny.
.SUNDAY NIGHT...N wind 10 to 15 kts backing NW 5 to 10 kts after
midnight. Waves 2 ft or less. Partly cloudy in the evening then
clearing.

$$

See Lake Michigan Open Lake Forecast for Monday through Wednesday.

Wave height forecast is for ice free areas.