FZUS53 KGRB 211331
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
731 AM CST Sat Feb 21 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ541-211700-
Rock Island Passage to Sturgeon Bay WI-
731 AM CST Sat Feb 21 2026

.TODAY...NW wind 10 to 15 kts. Waves 2 ft or less. Light snow
likely in the morning, then a chance of light snow in the
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. A chance of light
snow. A Small Craft Advisory may be needed.
.SUNDAY...NW wind to 30 kts with gale force gusts to around
35 kts. Waves 2 to 4 ft building to 3 to 5 ft in the afternoon. A
chance of light snow in the morning, then a chance of flurries in
the afternoon.
.SUNDAY NIGHT...N wind to 30 kts with gale force gusts to around
35 kts. Waves 4 to 7 ft. Heavy freezing spray after midnight.

$$

LMZ542-543-211700-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
731 AM CST Sat Feb 21 2026

.TODAY...NW wind 10 to 15 kts. Waves 2 ft or less. A slight
chance of light snow in the morning, then a chance of flurries in
the 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 in the morning, then a chance of flurries in the afternoon.
.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 Gale Warning may be needed.

$$

See Lake Michigan Open Lake Forecast for Monday through Wednesday.

Wave height forecast is for ice free areas.