FZUS53 KGRB 120624
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
124 AM CDT Thu Mar 12 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ541-121000-
Rock Island Passage to Sturgeon Bay WI-
124 AM CDT Thu Mar 12 2026

...GALE WATCH IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.REST OF THE NIGHT...NW wind 15 to 25 kts decreasing to 10 to
15 kts after midnight. Waves 1 to 3 ft. Clear.
.THURSDAY...W wind 10 to 15 kts backing S early in the afternoon.
Waves 2 ft or less. Mostly sunny.
.THURSDAY NIGHT...S wind 15 to 25 kts increasing to gales to
35 kts, then decreasing to to 30 kts after midnight. Gusts to
45 kts. Waves 10 to 14 ft building to 14 to 18 ft after midnight.
Snow in the evening. A chance of light snow after midnight.
.FRIDAY...W wind 15 to 25 kts veering NW to 30 kts in the late
morning and afternoon. Gusts to 40 kts. Waves 10 to 14 ft
subsiding to 4 to 7 ft in the afternoon. A chance of light snow.

$$

LMZ542-543-121000-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
124 AM CDT Thu Mar 12 2026

...GALE WATCH IN EFFECT FROM THIS EVENING THROUGH FRIDAY
AFTERNOON...

.REST OF THE NIGHT...NW wind 15 to 25 kts decreasing to 10 to
15 kts after midnight. Waves 1 to 3 ft. Mostly clear.
.THURSDAY...W wind 10 to 15 kts backing S 10 to 20 kts early in
the afternoon. Waves 1 to 3 ft. Sunny in the morning then
becoming partly cloudy.
.THURSDAY NIGHT...S wind to 30 kts increasing to gales to 35 kts,
then veering SW to 30 kts after midnight. Gusts to 45 kts. Waves
10 to 14 ft building to 14 to 18 ft after midnight. Light snow.
Light rain after midnight.
.FRIDAY...W wind to 30 kts veering NW gales to 35 kts mid-day,
then decreasing to to 30 kts early in the afternoon. Gusts to
45 kts. Waves 6 to 10 ft. A chance of light snow in the morning.

$$

See Lake Michigan Open Lake Forecast for Saturday through Monday.

Wave height forecast is for ice free areas.