019
FZUS53 KGRB 200510
NSHGRB
NEARSHORE MARINE FORECAST
NATIONAL WEATHER SERVICE GREEN BAY WI
1210 AM CDT MON APR 20 2026
FOR WATERS WITHIN FIVE NAUTICAL MILES OF SHORE ON LAKE MICHIGAN
LMZ521-522-201000-
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-
1210 AM CDT MON APR 20 2026
REST OF THE NIGHT
NW WIND 5 TO 10 KTS BACKING W AFTER
MIDNIGHT. WAVES 2 FT OR LESS. CLEAR.
MONDAY
W WIND 5 TO 10 KTS BACKING S 10 TO 20 KTS IN THE LATE
MORNING AND AFTERNOON. WAVES 1 TO 3 FT. SUNNY IN THE MORNING THEN
BECOMING PARTLY CLOUDY.
MONDAY NIGHT
S WIND 15 TO 25 KTS DECREASING TO 10 TO 15 KTS
AFTER MIDNIGHT. WAVES 2 TO 4 FT. MOSTLY CLOUDY IN THE EVENING
THEN BECOMING PARTLY CLOUDY. A SMALL CRAFT ADVISORY MAY BE
NEEDED.
TUESDAY
SW WIND 5 TO 10 KTS BACKING E EARLY IN THE AFTERNOON.
WAVES 2 FT OR LESS. SUNNY.
LMZ541-201000-
ROCK ISLAND PASSAGE TO STURGEON BAY WI-
1210 AM CDT MON APR 20 2026
REST OF THE NIGHT
NW WIND 5 TO 10 KTS BACKING W AFTER
MIDNIGHT. WAVES 2 FT OR LESS. CLEAR.
MONDAY
W WIND 5 TO 10 KTS BACKING SW 10 TO 15 KTS MID-DAY,
THEN BACKING S 15 TO 25 KTS EARLY IN THE AFTERNOON. WAVES 2 FT OR
LESS BUILDING TO 4 TO 7 FT IN THE AFTERNOON. SUNNY IN THE MORNING
THEN BECOMING PARTLY SUNNY. A SMALL CRAFT ADVISORY MAY BE NEEDED.
MONDAY NIGHT
S WIND TO 30 KTS DECREASING TO 10 TO 20 KTS AFTER
MIDNIGHT. WAVES 5 TO 8 FT. MOSTLY CLOUDY 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. A SMALL CRAFT ADVISORY MAY BE NEEDED.
LMZ542-543-201000-
STURGEON BAY TO TWO RIVERS WI-TWO RIVERS TO SHEBOYGAN WI-
1210 AM CDT MON APR 20 2026
REST OF THE NIGHT
NE WIND 5 TO 10 KTS BACKING SW AFTER
MIDNIGHT. WAVES 2 FT OR LESS. CLEAR.
MONDAY
SW WIND 5 TO 10 KTS BACKING S 10 TO 15 KTS MID-DAY,
THEN INCREASING TO 15 TO 25 KTS EARLY IN THE AFTERNOON. WAVES
2 FT OR LESS BUILDING TO 4 TO 7 FT IN THE AFTERNOON. SUNNY IN THE
MORNING THEN BECOMING PARTLY CLOUDY.
MONDAY NIGHT
S WIND TO 30 KTS DECREASING TO 10 TO 20 KTS AFTER
MIDNIGHT. WAVES 4 TO 7 FT. MOSTLY CLOUDY 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. A SMALL CRAFT ADVISORY MAY
BE NEEDED.
SEE LAKE MICHIGAN OPEN LAKE FORECAST FOR WEDNESDAY THROUGH FRIDAY.
WAVE HEIGHT FORECAST IS FOR ICE FREE AREAS.
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