FZUS53 KGRB 201001
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
501 AM CDT Sat Jun 20 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-201600-
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-
501 AM CDT Sat Jun 20 2026

.EARLY THIS MORNING...W wind 5 to 10 kts. Waves 2 ft or less.
Mostly cloudy.
.TODAY...NW wind 5 to 10 kts backing S early in the afternoon.
Waves 2 ft or less. A chance of showers and a slight chance of
thunderstorms in the afternoon.
.TONIGHT...NE wind 5 to 10 kts backing N in the late evening and
overnight. Waves 2 ft or less. Partly cloudy.
.SUNDAY...E wind 5 to 10 kts. Waves 2 ft or less. Partly sunny.
.SUNDAY NIGHT...NE wind 10 to 15 kts backing N after midnight.
Waves 2 ft or less. Mostly cloudy in the evening then becoming
partly cloudy.

$$

LMZ541>543-201600-
Rock Island Passage to Sturgeon Bay WI-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
501 AM CDT Sat Jun 20 2026

.EARLY THIS MORNING...W wind 5 to 10 kts. Waves 2 ft or less. A
slight chance of showers.
.TODAY...NW wind 5 to 10 kts backing S early in the afternoon.
Waves 2 ft or less. A slight chance of showers and thunderstorms
in the afternoon.
.TONIGHT...W wind around 5 kts veering N in the late evening and
overnight. Waves 2 ft or less. Partly cloudy in the evening then
becoming mostly cloudy.
.SUNDAY...E wind around 5 kts becoming 5 to 10 kts in the late
morning and afternoon. Waves 2 ft or less. Mostly cloudy.
.SUNDAY NIGHT...NE wind 10 to 15 kts. Waves 2 to 4 ft. Mostly
cloudy in the evening then becoming partly cloudy.

$$

See Lake Michigan Open Lake Forecast for Monday through Wednesday.