520
FZUS53 KGRB 181959
NSHGRB
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GREEN BAY WI
259 PM CDT TUE AUG 18 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ521-522-182200-
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-
259 PM CDT TUE AUG 18 2026
THIS AFTERNOON
SW WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
TONIGHT
NE WIND 5 TO 10 KTS BACKING NW AFTER MIDNIGHT. WAVES
2 FT OR LESS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING.
WEDNESDAY
W WIND 5 TO 10 KTS. WAVES 2 FT OR LESS. SUNNY.
WEDNESDAY NIGHT
NE WIND 5 TO 10 KTS VEERING S AFTER MIDNIGHT.
WAVES 2 FT OR LESS. MOSTLY CLEAR.
LMZ541>543-182200-
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
259 PM CDT TUE AUG 18 2026
THIS AFTERNOON
SW WIND 10 TO 15 KTS. WAVES 2 FT OR LESS. A
CHANCE OF SHOWERS AND THUNDERSTORMS.
TONIGHT
N WIND 5 TO 10 KTS BACKING NW AFTER MIDNIGHT. WAVES
2 FT OR LESS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE
EVENING.
WEDNESDAY
NW WIND 5 TO 10 KTS BACKING S EARLY IN THE
AFTERNOON. WAVES 2 FT OR LESS. SUNNY.
WEDNESDAY NIGHT
S WIND 5 TO 10 KTS BACKING E, THEN VEERING S
AFTER MIDNIGHT. WAVES 2 FT OR LESS. MOSTLY CLEAR.
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR FRIDAY THROUGH SUNDAY.
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