FZUS53 KGRB 201331
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
731 AM CST Fri Feb 20 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ541-201700-
Rock Island Passage to Sturgeon Bay WI-
731 AM CST Fri Feb 20 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...NE wind 15 to 25 kts backing N 10 to 20 kts early in the
afternoon. Waves 4 to 7 ft subsiding to 3 to 5 ft in the
afternoon. Rain. Light snow in the afternoon.
.TONIGHT...NW wind 15 to 25 kts. Waves 2 to 4 ft subsiding to
1 to 3 ft after midnight. Snow likely and a slight chance of
light rain in the evening, then a chance of snow after midnight.
.SATURDAY...NW wind 10 to 15 kts. Waves 2 ft or less. Light snow
likely.
.SATURDAY NIGHT...N wind 10 to 20 kts. Waves 1 to 3 ft. A chance
of light snow.

$$

LMZ542-543-201700-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
731 AM CST Fri Feb 20 2026

...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING...

.TODAY...NE wind 15 to 25 kts backing NW in the late morning and
afternoon. Gusts to 35 kts. Waves 3 to 5 ft. Rain. Light snow
likely in the afternoon.
.TONIGHT...NW wind to 30 kts. Gusts to 35 kts in the evening.
Waves 2 to 4 ft subsiding to 1 to 3 ft after midnight. A slight
chance of light rain in the evening. A chance of light snow.
.SATURDAY...NW wind 10 to 20 kts. Waves 1 to 3 ft. A chance of
light snow.
.SATURDAY NIGHT...NW wind 10 to 15 kts increasing to 15 to 25 kts
in the late evening and overnight. Waves 1 to 3 ft. A chance of
light snow. A Small Craft Advisory may be needed.

$$

See Lake Michigan Open Lake Forecast for Sunday through Tuesday.

Wave height forecast is for ice free areas.