830
FZUS53 KGRB 210229
NSHGRB
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GREEN BAY WI
929 PM CDT MON APR 20 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-
929 PM CDT MON APR 20 2026
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 AM CDT TUESDAY
REST OF TONIGHT
S WIND 15 TO 25 KTS DECREASING TO 10 TO 15 KTS
AFTER MIDNIGHT. WAVES 3 TO 5 FT SUBSIDING TO 1 TO 3 FT AFTER
MIDNIGHT. MOSTLY CLOUDY EARLY IN THE EVENING THEN BECOMING 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
NE WIND 5 TO 10 KTS VEERING SE IN THE LATE MORNING
AND AFTERNOON. WAVES 2 FT OR LESS. SUNNY.
LMZ541-211000-
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
929 PM CDT MON APR 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF TONIGHT
S WIND TO 30 KTS DECREASING TO 10 TO 20 KTS
AFTER MIDNIGHT. WAVES 4 TO 7 FT. MOSTLY CLOUDY EARLY IN THE
EVENING THEN BECOMING 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. 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-
929 PM CDT MON APR 20 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH TUESDAY AFTERNOON
REST OF TONIGHT
S WIND 15 TO 25 KTS DECREASING TO 10 TO 15 KTS
AFTER MIDNIGHT. WAVES 4 TO 7 FT. MOSTLY CLOUDY EARLY IN THE
EVENING THEN BECOMING PARTLY CLOUDY.
TUESDAY
S WIND 10 TO 15 KTS BACKING SE 5 TO 10 KTS EARLY IN
THE AFTERNOON. WAVES 3 TO 5 FT. 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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