Station List

National Weather Service Marine Forecast FZUS53 KGRB

FZUS53 KGRB 270235
NSHGRB

Nearshore Marine Forecast
National Weather Service Green Bay WI
935 PM CDT Thu Mar 26 2026

For waters within five nautical miles of shore on Lake Michigan

LMZ521-522-271000
Green Bay south of line from Cedar River to Rock Island Passage and north of a line from Oconto WI to Little Sturgeon Bay WI
Green Bay south of line from Oconto WI to Little Sturgeon Bay WI
935 PM CDT Thu Mar 26 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT FRIDAY

REST OF TONIGHT
N wind 10 to 20 kts decreasing to 5 to 10 kts after midnight. Waves 1 to 3 ft. Mostly cloudy early in the evening then becoming partly cloudy.

FRIDAY
N wind 5 to 10 kts backing W in the late morning and afternoon. Waves 2 ft or less. A chance of light snow.

FRIDAY NIGHT
NW wind 10 to 15 kts backing W 5 to 10 kts after midnight. Waves 2 ft or less. Mostly clear.

SATURDAY
SW wind 10 to 15 kts backing S early in the afternoon. Waves 2 ft or less. Partly cloudy in the morning then becoming mostly cloudy.

LMZ541-271000
Rock Island Passage to Sturgeon Bay WI
935 PM CDT Thu Mar 26 2026

SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT FRIDAY

REST OF TONIGHT
N wind 15 to 25 kts decreasing to 10 to 15 kts after midnight. Waves 3 to 5 ft. Mostly cloudy.

FRIDAY
N wind 5 to 10 kts backing W in the late morning and afternoon. Waves 2 to 4 ft. A chance of light snow.

FRIDAY NIGHT
NW wind 10 to 15 kts backing W after midnight. Waves 2 ft or less. A chance of light snow in the evening.

SATURDAY
SW wind 10 to 15 kts backing S 15 to 25 kts early in the afternoon. Waves 2 ft or less building to 3 to 5 ft in the afternoon. Partly cloudy in the morning then becoming mostly cloudy. A Small Craft Advisory may be needed.

LMZ542-543-271000
Sturgeon Bay to Two Rivers WI-Two Rivers to Sheboygan WI
935 PM CDT Thu Mar 26 2026

SMALL CRAFT ADVISORY IN EFFECT THROUGH FRIDAY MORNING

REST OF TONIGHT
N wind 15 to 25 kts. Waves 4 to 7 ft. Mostly cloudy.

FRIDAY
N wind 10 to 15 kts backing NW 5 to 10 kts early in the afternoon. Waves 3 to 5 ft subsiding to 1 to 3 ft in the afternoon. A chance of light snow in the afternoon.

FRIDAY NIGHT
NW wind 10 to 15 kts. Waves 2 ft or less. A chance of light snow in the evening.

SATURDAY
SW wind 10 to 15 kts backing S 15 to 25 kts early in the afternoon. Waves 2 ft or less building to 3 to 5 ft in the afternoon. Mostly sunny in the morning then becoming mostly cloudy. 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.