646
FZUS53 KGRB 201711
NSHGRB
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GREEN BAY WI
1211 PM CDT MON APR 20 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ521-522-202200-
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-
1211 PM CDT MON APR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH LATE TONIGHT...
THIS AFTERNOON
S WIND 10 TO 20 KTS. WAVES 1 TO 3 FT. MOSTLY
SUNNY.
TONIGHT
S WIND 15 TO 25 KTS DECREASING TO 10 TO 15 KTS IN THE
LATE EVENING AND OVERNIGHT. WAVES 2 TO 4 FT SUBSIDING TO 1 TO
3 FT AFTER MIDNIGHT. MOSTLY CLOUDY 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.
LMZ541-202200-
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
1211 PM CDT MON APR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH TUESDAY AFTERNOON...
THIS AFTERNOON
S WIND 10 TO 15 KTS INCREASING TO 15 TO 25 KTS
EARLY IN THE AFTERNOON. WAVES 2 FT OR LESS BUILDING TO 4 TO 7 FT
IN THE AFTERNOON. MOSTLY SUNNY LATE IN THE MORNING THEN BECOMING
PARTLY CLOUDY.
TONIGHT
S WIND 15 TO 25 KTS. WAVES 5 TO 8 FT. MOSTLY CLOUDY IN
THE EVENING THEN BECOMING PARTLY CLOUDY.
TUESDAY
S WIND 5 TO 10 KTS BACKING SE EARLY IN THE AFTERNOON.
WAVES 4 TO 7 FT SUBSIDING TO 2 TO 4 FT IN THE AFTERNOON. SUNNY.
TUESDAY NIGHT
NE WIND 5 TO 10 KTS. WAVES 1 TO 3 FT. CLEAR.
LMZ542-543-202200-
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
1211 PM CDT MON APR 20 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 4 PM CDT THIS AFTERNOON
THROUGH TUESDAY AFTERNOON...
THIS AFTERNOON
S WIND 15 TO 25 KTS. WAVES 2 FT OR LESS
BUILDING TO 4 TO 7 FT IN THE AFTERNOON. MOSTLY SUNNY LATE IN THE
MORNING THEN BECOMING PARTLY CLOUDY.
TONIGHT
S WIND 15 TO 25 KTS DECREASING TO 10 TO 15 KTS AFTER
MIDNIGHT. WAVES 4 TO 7 FT. MOSTLY CLOUDY IN THE EVENING THEN
BECOMING PARTLY CLOUDY.
TUESDAY
SW WIND 10 TO 15 KTS BACKING E 5 TO 10 KTS EARLY IN
THE AFTERNOON. WAVES 3 TO 5 FT SUBSIDING TO 2 TO 4 FT IN THE
AFTERNOON. SUNNY.
TUESDAY NIGHT
NE WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. CLEAR.
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR WEDNESDAY THROUGH FRIDAY.
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.
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