410
FZUS53 KGRB 210736
NSHGRB
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GREEN BAY WI
236 AM CDT TUE JUL 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-
236 AM CDT TUE JUL 21 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM 10 AM CDT THIS MORNING
THROUGH LATE TONIGHT...
REST OF THE NIGHT
W WIND 10 TO 15 KTS. WAVES 2 FT OR LESS.
MOSTLY CLEAR.
TUESDAY
NW WIND 10 TO 15 KTS INCREASING TO 15 TO 25 KTS IN THE
LATE MORNING AND AFTERNOON. WAVES 1 TO 3 FT BUILDING TO 3 TO 5 FT
IN THE AFTERNOON. A CHANCE OF SHOWERS AND A SLIGHT CHANCE OF
THUNDERSTORMS.
TUESDAY NIGHT
N WIND 15 TO 25 KTS BACKING NW 10 TO 15 KTS
AFTER MIDNIGHT. WAVES 4 TO 7 FT. PARTLY CLOUDY IN THE EVENING
THEN CLEARING.
WEDNESDAY
N WIND 10 TO 15 KTS. WAVES 2 TO 4 FT SUBSIDING TO
2 FT OR LESS IN THE AFTERNOON. MOSTLY SUNNY.
LMZ541>543-211000-
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
236 AM CDT TUE JUL 21 2026
..SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT
REST OF THE NIGHT
W WIND 10 TO 15 KTS. WAVES 4 TO 7 FT. MOSTLY
CLEAR.
TUESDAY
NW WIND 15 TO 25 KTS VEERING N EARLY IN THE AFTERNOON.
WAVES 3 TO 5 FT. A CHANCE OF SHOWERS. A SLIGHT CHANCE OF
THUNDERSTORMS IN THE AFTERNOON.
TUESDAY NIGHT
N WIND 15 TO 25 KTS. WAVES 3 TO 5 FT. MOSTLY
CLEAR.
WEDNESDAY
N WIND 10 TO 20 KTS DECREASING TO 5 TO 10 KTS EARLY
IN THE AFTERNOON. WAVES 1 TO 3 FT. MOSTLY SUNNY.
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR THURSDAY THROUGH SATURDAY.
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