FZUS53 KGRB 181936
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
236 PM CDT Thu Jun 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-
236 PM CDT Thu Jun 18 2026

.THIS AFTERNOON...W wind 5 to 10 kts. Waves 2 ft or less.
Isolated showers and thunderstorms.
.TONIGHT...W wind 10 to 15 kts. Waves 2 ft or less. A slight
chance of showers and thunderstorms in the evening.
.FRIDAY...W wind 5 to 10 kts. Waves 2 ft or less. Sunny in the
morning then becoming partly cloudy.
.FRIDAY NIGHT...S wind 5 to 10 kts veering W after midnight.
Waves 2 ft or less. Mostly cloudy.

$$

LMZ541>543-182200-
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
236 PM CDT Thu Jun 18 2026

.THIS AFTERNOON...W wind 10 to 15 kts. Waves 2 ft or less. Partly
cloudy.
.TONIGHT...W wind 10 to 15 kts. Waves 2 ft or less. A slight
chance of showers and thunderstorms in the evening.
.FRIDAY...W wind 10 to 15 kts backing SW 5 to 10 kts early in the
afternoon. Waves 2 ft or less. Mostly sunny.
.FRIDAY NIGHT...SW wind 5 to 10 kts. Waves 2 ft or less. A chance
of showers.

$$

See Lake Michigan Open Lake Forecast for Sunday through Tuesday.