568
FZUS53 KGRB 180504
NSHGRB
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GREEN BAY WI
1204 AM CDT SAT APR 18 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ522-181000-
GREEN BAY SOUTH OF LINE FROM OCONTO WI TO LITTLE STURGEON BAY WI-
1204 AM CDT SAT APR 18 2026
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING...
REST OF THE NIGHT
SW WIND 10 TO 20 KTS VEERING NW AFTER
MIDNIGHT. WAVES 1 TO 3 FT. PATCHY FOG. A CHANCE OF THUNDERSTORMS
LATE IN THE EVENING. RAIN SHOWERS LIKELY.
SATURDAY
W WIND 15 TO 25 KTS. WAVES 1 TO 3 FT. PARTLY CLOUDY.
A SMALL CRAFT ADVISORY MAY BE NEEDED.
SATURDAY NIGHT
W WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. MOSTLY
CLEAR.
SUNDAY
NW WIND 10 TO 15 KTS VEERING N EARLY IN THE AFTERNOON.
WAVES 2 FT OR LESS. PARTLY CLOUDY.
LMZ521-181000-
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-
1204 AM CDT SAT APR 18 2026
...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING...
...SMALL CRAFT ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING...
REST OF THE NIGHT
SW WIND 10 TO 15 KTS VEERING NW 10 TO 20 KTS
AFTER MIDNIGHT. WAVES 2 TO 4 FT. PATCHY DENSE FOG. A CHANCE OF
THUNDERSTORMS LATE IN THE EVENING. RAIN SHOWERS LIKELY.
SATURDAY
W WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. PARTLY CLOUDY.
SATURDAY NIGHT
W WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. PARTLY
CLOUDY.
SUNDAY
NW WIND 10 TO 15 KTS VEERING N EARLY IN THE AFTERNOON.
WAVES 2 FT OR LESS. PARTLY CLOUDY.
LMZ541-181000-
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
1204 AM CDT SAT APR 18 2026
...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING...
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
REST OF THE NIGHT
S WIND 15 TO 25 KTS VEERING NW AFTER
MIDNIGHT. WAVES 4 TO 7 FT. AREAS OF DENSE FOG LATE IN THE
EVENING. PATCHY DENSE FOG AFTER MIDNIGHT. SHOWERS LIKELY AND A
CHANCE OF THUNDERSTORMS.
SATURDAY
NW WIND 15 TO 25 KTS BACKING W 10 TO 15 KTS IN THE
LATE MORNING AND AFTERNOON. WAVES 3 TO 5 FT SUBSIDING TO 1 TO
3 FT IN THE AFTERNOON. PARTLY CLOUDY.
SATURDAY NIGHT
W WIND 10 TO 15 KTS. WAVES 1 TO 3 FT. PARTLY
CLOUDY.
SUNDAY
NW WIND 10 TO 15 KTS VEERING N EARLY IN THE AFTERNOON.
WAVES 2 FT OR LESS. PARTLY CLOUDY.
LMZ542-543-181000-
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
1204 AM CDT SAT APR 18 2026
...DENSE FOG ADVISORY IN EFFECT UNTIL 4 AM CDT EARLY THIS
MORNING...
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 10 AM CDT THIS MORNING
REST OF THE NIGHT
S WIND 15 TO 25 KTS VEERING W AFTER
MIDNIGHT. WAVES 4 TO 7 FT. PATCHY DENSE FOG. A SLIGHT CHANCE OF
THUNDERSTORMS LATE IN THE EVENING. RAIN SHOWERS LIKELY.
SATURDAY
W WIND 15 TO 25 KTS. WAVES 2 TO 4 FT SUBSIDING TO
1 TO 3 FT IN THE AFTERNOON. PARTLY CLOUDY IN THE MORNING THEN
CLEARING.
SATURDAY NIGHT
W WIND 15 TO 25 KTS DECREASING TO 10 TO 15 KTS
IN THE LATE EVENING AND OVERNIGHT. WAVES 1 TO 3 FT. MOSTLY CLEAR.
A SMALL CRAFT ADVISORY MAY BE NEEDED.
SUNDAY
NW WIND 10 TO 15 KTS VEERING N EARLY IN THE AFTERNOON.
WAVES 2 FT OR LESS. PARTLY CLOUDY.
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR MONDAY THROUGH WEDNESDAY.
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.
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