FZUS53 KGRB 170623
NSHGRB

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

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-171000-
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-
123 AM CDT Wed Jun 17 2026

.REST OF THE NIGHT...NW wind 5 to 10 kts. Waves 2 ft or less.
Mostly cloudy.
.WEDNESDAY...S wind around 5 kts backing SE 10 to 15 kts in the
late morning and afternoon. Waves 1 to 3 ft. A chance of showers
in the morning, then showers and a slight chance of thunderstorms
in the afternoon.
.WEDNESDAY NIGHT...E wind 10 to 20 kts backing N 10 to 15 kts
after midnight. Waves 1 to 3 ft building to 2 to 4 ft after
midnight. Rain showers in the evening, then a chance of showers
after midnight.
.THURSDAY...NW wind 10 to 15 kts. Waves 2 to 4 ft subsiding to
2 ft or less in the afternoon. Partly sunny.

$$

LMZ541-171000-
Rock Island Passage to Sturgeon Bay WI-
123 AM CDT Wed Jun 17 2026

.REST OF THE NIGHT...NW wind 5 to 10 kts. Waves 2 to 4 ft. Mostly
cloudy.
.WEDNESDAY...S wind around 5 kts backing SE 10 to 15 kts in the
late morning and afternoon. Waves 1 to 3 ft. Rain showers in the
afternoon.
.WEDNESDAY NIGHT...E wind 10 to 15 kts backing N after midnight.
Waves 2 to 4 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 2 to 4 ft. Partly sunny.

$$

LMZ542-543-171000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
123 AM CDT Wed Jun 17 2026

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

.REST OF THE NIGHT...W wind 5 to 10 kts. Waves 1 to 3 ft. Mostly
cloudy.
.WEDNESDAY...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. A chance of showers in the morning, then
showers and a slight chance of thunderstorms in the afternoon.
.WEDNESDAY NIGHT...E wind 10 to 15 kts backing NW after midnight.
Waves 4 to 7 ft. A chance of showers.
.THURSDAY...NW wind 10 to 15 kts. Waves 2 to 4 ft subsiding to
2 ft or less in the afternoon. Partly sunny.

$$

See Lake Michigan Open Lake Forecast for Friday through Sunday.