603
FZUS53 KGRB 201404
NSHGRB
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GREEN BAY WI
904 AM CDT THU AUG 20 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ521-522-201600-
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-
904 AM CDT THU AUG 20 2026
TODAY
SW WIND AROUND 5 KTS BACKING S 10 TO 15 KTS IN THE LATE
MORNING AND AFTERNOON. WAVES 2 FT OR LESS. PARTLY CLOUDY.
TONIGHT
S WIND 10 TO 20 KTS. WAVES 1 TO 3 FT. A CHANCE OF
SHOWERS AFTER MIDNIGHT.
FRIDAY
S WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. A CHANCE OF
SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
W WIND 5 TO 10 KTS VEERING NW 10 TO 15 KTS IN THE
LATE EVENING AND OVERNIGHT. WAVES 2 FT OR LESS. A CHANCE OF
SHOWERS IN THE EVENING.
LMZ541>543-201600-
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
904 AM CDT THU AUG 20 2026
TODAY
SW WIND AROUND 5 KTS BACKING S 10 TO 15 KTS IN THE LATE
MORNING AND AFTERNOON. WAVES 2 FT OR LESS. MOSTLY SUNNY IN THE
MORNING THEN BECOMING PARTLY CLOUDY.
TONIGHT
S WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. A SLIGHT CHANCE
OF SHOWERS AFTER MIDNIGHT.
FRIDAY
S WIND 10 TO 15 KTS. WAVES 1 TO 3 FT BUILDING TO 2 TO
4 FT IN THE AFTERNOON. A CHANCE OF SHOWERS AND THUNDERSTORMS.
FRIDAY NIGHT
SW WIND 5 TO 10 KTS VEERING NW 10 TO 15 KTS IN
THE LATE EVENING AND OVERNIGHT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO
3 FT AFTER MIDNIGHT. A CHANCE OF SHOWERS IN THE EVENING.
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR SATURDAY THROUGH MONDAY.
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