FZUS53 KGRB 172155
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
455 PM CDT Tue Mar 17 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-180400-
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-
455 PM CDT Tue Mar 17 2026

.LATE THIS AFTERNOON...SW wind 10 to 15 kts. Waves 2 ft or less.
Mostly cloudy.
.TONIGHT...S wind 10 to 15 kts. Waves 2 ft or less. A chance of
flurries in the evening, then a chance of light snow after
midnight.
.WEDNESDAY...SW wind 10 to 15 kts. Waves 2 ft or less. A chance
of light snow and freezing drizzle in the morning.
.WEDNESDAY NIGHT...SW wind 5 to 10 kts. Waves 2 ft or less. A
chance of light snow in the evening. A chance of light rain and
light freezing rain.
.THURSDAY...W wind 5 to 10 kts veering NE early in the afternoon.
Waves 2 ft or less. Partly cloudy.

$$

LMZ541-180400-
Rock Island Passage to Sturgeon Bay WI-
455 PM CDT Tue Mar 17 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

.LATE THIS AFTERNOON...SW wind 5 to 10 kts. Waves 2 ft or less.
Partly sunny.
.TONIGHT...SW wind 10 to 15 kts. Waves 1 to 3 ft building to 3 to
5 ft after midnight. A chance of light snow after midnight.
.WEDNESDAY...SW wind 15 to 25 kts decreasing to 10 to 15 kts
early in the afternoon. Waves 4 to 7 ft. A chance of light snow
and freezing drizzle in the morning.
.WEDNESDAY NIGHT...SW wind 10 to 15 kts. Waves 3 to 5 ft. A
chance of light snow in the evening. A chance of light rain.
.THURSDAY...W wind 5 to 10 kts veering N in the late morning and
afternoon. Waves 1 to 3 ft. Partly cloudy.

$$

LMZ542-543-180400-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
455 PM CDT Tue Mar 17 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH
WEDNESDAY EVENING...

.LATE THIS AFTERNOON...SW wind 10 to 15 kts. Waves 2 ft or less.
Mostly cloudy.
.TONIGHT...SW wind 10 to 15 kts backing S 15 to 25 kts after
midnight. Waves 1 to 3 ft building to 3 to 5 ft after midnight. A
chance of flurries in the evening, then a chance of light snow
after midnight.
.WEDNESDAY...SW wind 15 to 25 kts decreasing to 10 to 15 kts
early in the afternoon. Waves 4 to 7 ft. A chance of light snow
and freezing drizzle in the morning.
.WEDNESDAY NIGHT...SW wind 10 to 15 kts. Waves 2 to 4 ft
subsiding to 1 to 3 ft after midnight. A chance of light rain and
light snow in the evening, then light rain likely after midnight.
.THURSDAY...W wind 5 to 10 kts veering N in the late morning and
afternoon. Waves 2 ft or less. Mostly cloudy in the morning then
becoming partly cloudy.

$$

See Lake Michigan Open Lake Forecast for Friday through Sunday.

Wave height forecast is for ice free areas.