FZUS53 KGRB 170812
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
312 AM CDT Tue Mar 17 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ541-171600-
Rock Island Passage to Sturgeon Bay WI-
312 AM CDT Tue Mar 17 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...

.EARLY THIS MORNING...NW wind to 30 kts. Waves 2 to 4 ft. A
chance of flurries.
.TODAY...NW wind 15 to 25 kts decreasing to 10 to 15 kts mid-day,
then backing W 5 to 10 kts early in the afternoon. Waves 2 to
4 ft subsiding to 2 ft or less in the afternoon. Partly cloudy.
.TONIGHT...SW wind 10 to 15 kts increasing to 15 to 25 kts after
midnight. Waves 1 to 3 ft building to 3 to 5 ft after midnight. A
chance of light snow after midnight. A Small Craft Advisory may
be needed.
.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
in the morning.
.WEDNESDAY NIGHT...SW wind 10 to 15 kts. Waves 3 to 5 ft
subsiding to 2 to 4 ft after midnight. A chance of light rain and
light snow. A Small Craft Advisory may be needed.

$$

LMZ542-543-171600-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
312 AM CDT Tue Mar 17 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING...

.EARLY THIS MORNING...NW wind to 30 kts. Waves 2 to 4 ft. Clear.
.TODAY...NW wind 15 to 25 kts decreasing to 10 to 15 kts mid-day,
then backing W early in the afternoon. Waves 2 to 4 ft subsiding
to 2 ft or less in the afternoon. Sunny in the morning then
becoming partly sunny.
.TONIGHT...SW wind 15 to 25 kts. Waves 1 to 3 ft building to 4 to
7 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
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 snow in
the evening. A chance of light rain.

$$

See Lake Michigan Open Lake Forecast for Thursday through Saturday.

Wave height forecast is for ice free areas.