FZUS53 KGRB 220056
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
655 PM CST Sat Feb 21 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ541-220500-
Rock Island Passage to Sturgeon Bay WI-
655 PM CST Sat Feb 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM CST SUNDAY THROUGH
MONDAY AFTERNOON...

.TONIGHT...NW wind 15 to 25 kts. Waves 1 to 3 ft. A chance of
light snow.
.SUNDAY...NW wind to 30 kts. Waves 2 to 4 ft building to 3 to
5 ft in the afternoon. A chance of light snow.
.SUNDAY NIGHT...N wind to 30 kts with gale force gusts to around
35 kts. Waves 4 to 7 ft. A chance of flurries. heavy freezing
spray after midnight.
.MONDAY...N wind to 30 kts decreasing to 10 to 20 kts early in
the afternoon. Waves 4 to 7 ft subsiding to 2 to 4 ft in the
afternoon. Mostly cloudy.

$$

LMZ542-543-220500-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
655 PM CST Sat Feb 21 2026

...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM CST SUNDAY THROUGH
MONDAY AFTERNOON...

.TONIGHT...NW wind 10 to 15 kts increasing to 15 to 25 kts in the
late evening and overnight. Waves 1 to 3 ft building to 2 to 4 ft
after midnight. A chance of light snow.
.SUNDAY...NW wind to 30 kts. Waves 3 to 5 ft. A chance of light
snow.
.SUNDAY NIGHT...N wind to 30 kts increasing to gales to 35 kts in
the late evening and overnight. Waves 4 to 7 ft. Heavy freezing
spray. a chance of flurries.
.MONDAY...N wind to 30 kts decreasing to 10 to 20 kts early in
the afternoon. Waves 4 to 7 ft. Heavy freezing spray in the
morning.

$$

See Lake Michigan Open Lake Forecast for Tuesday through Thursday.

Wave height forecast is for ice free areas.