FZUS53 KGRB 171440
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
940 AM CDT Wed Jun 17 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-172200-
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-
940 AM CDT Wed Jun 17 2026

.THIS AFTERNOON...SE wind 10 to 15 kts. Waves 2 ft or less. A
chance of showers early in the morning, then showers and a slight
chance of thunderstorms in the afternoon.
.TONIGHT...E wind 10 to 15 kts backing N after midnight. Waves
1 to 3 ft. Rain showers likely in the evening, then a chance of
showers after midnight.
.THURSDAY...NW wind 10 to 15 kts. Waves 1 to 3 ft. Cloudy in the
morning then becoming partly sunny.
.THURSDAY NIGHT...W wind 10 to 15 kts. Waves 2 ft or less. Partly
cloudy in the evening then clearing.

$$

LMZ541-172200-
Rock Island Passage to Sturgeon Bay WI-
940 AM CDT Wed Jun 17 2026

.THIS AFTERNOON...SE wind 10 to 15 kts. Waves 1 to 3 ft. A chance
of showers early in the morning, then showers in the afternoon.
.TONIGHT...NE wind 10 to 15 kts backing N after midnight. Waves
1 to 3 ft. Rain showers in the evening, then a chance of showers
after midnight.
.THURSDAY...NW wind 10 to 15 kts backing W 5 to 10 kts early in
the afternoon. Waves 1 to 3 ft. Cloudy in the morning then
becoming partly sunny.
.THURSDAY NIGHT...W wind 10 to 15 kts. Waves 2 ft or less. Partly
cloudy in the evening then clearing.

$$

LMZ542-543-172200-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
940 AM CDT Wed Jun 17 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM CDT THIS AFTERNOON
THROUGH THURSDAY MORNING...

.THIS AFTERNOON...S wind 5 to 10 kts becoming SE 15 to 25 kts in
the late morning and afternoon. Waves 2 ft or less building to
4 to 7 ft in the afternoon. Rain showers. A slight chance of
thunderstorms in the afternoon.
.TONIGHT...E wind 10 to 15 kts backing NW after midnight. Waves
4 to 7 ft subsiding to 3 to 5 ft after midnight. A chance of
showers.
.THURSDAY...NW wind 10 to 15 kts. Waves 2 to 4 ft. Mostly cloudy.
.THURSDAY NIGHT...W wind 10 to 15 kts. Waves 2 ft or less. Mostly
clear.

$$

See Lake Michigan Open Lake Forecast for Friday through Sunday.