483
FZUS53 KGRB 210624
NSHGRB
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GREEN BAY WI
124 AM CDT TUE APR 21 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ521-522-211000-
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-
124 AM CDT TUE APR 21 2026
REST OF THE NIGHT
S WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. PARTLY
CLOUDY.
TUESDAY
SW WIND 5 TO 10 KTS BACKING E EARLY IN THE AFTERNOON.
WAVES 2 FT OR LESS. SUNNY.
TUESDAY NIGHT
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.
LMZ541-211000-
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
124 AM CDT TUE APR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
REST OF THE NIGHT
S WIND 15 TO 25 KTS. WAVES 4 TO 7 FT. PARTLY
CLOUDY.
TUESDAY
S WIND 10 TO 15 KTS BACKING SE 5 TO 10 KTS EARLY IN
THE AFTERNOON. WAVES 4 TO 7 FT SUBSIDING TO 3 TO 5 FT IN THE
AFTERNOON. SUNNY.
TUESDAY NIGHT
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.
LMZ542-543-211000-
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
124 AM CDT TUE APR 21 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
REST OF THE NIGHT
S WIND 10 TO 20 KTS. WAVES 4 TO 7 FT. PARTLY
CLOUDY.
TUESDAY
S WIND 10 TO 15 KTS BACKING SE 5 TO 10 KTS EARLY IN
THE AFTERNOON. WAVES 3 TO 5 FT. MOSTLY SUNNY.
TUESDAY NIGHT
NE WIND 10 TO 15 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.
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR THURSDAY THROUGH SATURDAY.
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.
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