FZUS53 KGRB 231233
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
633 AM CST Mon Feb 23 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ541-231700-
Rock Island Passage to Sturgeon Bay WI-
633 AM CST Mon Feb 23 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...

.TODAY...N wind 15 to 25 kts decreasing to 10 to 15 kts early in
the afternoon. Waves 3 to 5 ft subsiding to 2 to 4 ft in the
afternoon. A chance of flurries.
.TONIGHT...N wind 5 to 10 kts backing S 10 to 15 kts after
midnight. Waves 2 ft or less. A chance of flurries after
midnight.
.TUESDAY...S wind 15 to 25 kts increasing to gales to 35 kts
mid-day, then becoming SW 15 to 25 kts early in the afternoon.
Waves 6 to 10 ft building to 8 to 12 ft in the afternoon. A
chance of light snow and flurries in the morning, then snow in
the afternoon. A Gale Warning may be needed.
.TUESDAY NIGHT...W wind 15 to 25 kts. Waves 6 to 10 ft subsiding
to 4 to 7 ft after midnight. Mostly cloudy. A Small Craft
Advisory may be needed.

$$

LMZ542-543-231700-
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI-
633 AM CST Mon Feb 23 2026

...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON...

.TODAY...N wind to 30 kts decreasing to 10 to 15 kts early in the
afternoon. Waves 4 to 7 ft. Freezing spray in the morning. a
chance of flurries.
.TONIGHT...N wind 5 to 10 kts backing S 10 to 15 kts after
midnight. Waves 1 to 3 ft. Mostly cloudy.
.TUESDAY...S wind 15 to 25 kts increasing to gales to 35 kts
mid-day, then becoming SW 15 to 25 kts early in the afternoon.
Waves 6 to 10 ft. A chance of light snow in the morning, then
light snow in the afternoon. A Gale Warning may be needed.
.TUESDAY NIGHT...W wind to 30 kts. Waves 5 to 8 ft. Mostly
cloudy. A Small Craft Advisory may be needed.

$$

See Lake Michigan Open Lake Forecast for Wednesday through Friday.

Wave height forecast is for ice free areas.