770
FZUS53 KGRB 211634
NSHGRB
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GREEN BAY WI
1134 AM CDT TUE APR 21 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ521-522-212200-
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-
1134 AM CDT TUE APR 21 2026
THIS AFTERNOON
SE WIND 5 TO 10 KTS BACKING E EARLY IN THE
AFTERNOON. WAVES 2 FT OR LESS. SUNNY.
TONIGHT
NE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. CLEAR.
WEDNESDAY
E WIND 5 TO 10 KTS VEERING SE EARLY IN THE
AFTERNOON. WAVES 2 FT OR LESS. SUNNY.
WEDNESDAY NIGHT
SE WIND 5 TO 10 KTS. WAVES 2 FT OR LESS.
MOSTLY CLEAR.
LMZ541-212200-
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
1134 AM CDT TUE APR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
THIS AFTERNOON
S WIND 5 TO 10 KTS. WAVES 3 TO 5 FT. SUNNY.
TONIGHT
NE WIND 5 TO 10 KTS. WAVES 2 TO 4 FT SUBSIDING TO 1 TO
3 FT AFTER MIDNIGHT. CLEAR.
WEDNESDAY
NE WIND 5 TO 10 KTS VEERING E IN THE LATE MORNING
AND AFTERNOON. WAVES 2 FT OR LESS. SUNNY.
WEDNESDAY NIGHT
SE WIND 10 TO 15 KTS. WAVES 2 FT OR LESS.
MOSTLY CLEAR.
LMZ542-543-212200-
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
1134 AM CDT TUE APR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
THIS AFTERNOON
SE WIND 10 TO 15 KTS. WAVES 3 TO 5 FT. SUNNY.
TONIGHT
NE WIND 5 TO 10 KTS. WAVES 1 TO 3 FT. CLEAR.
WEDNESDAY
NE WIND 5 TO 10 KTS VEERING E EARLY IN THE
AFTERNOON. WAVES 2 FT OR LESS. SUNNY.
WEDNESDAY NIGHT
SE WIND 5 TO 10 KTS VEERING S 10 TO 15 KTS
AFTER MIDNIGHT. WAVES 2 FT OR LESS. CLEAR IN THE EVENING THEN
BECOMING PARTLY CLOUDY.
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR THURSDAY THROUGH SATURDAY.
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.
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