577
FZNT21 KWBC 170834
OFFNT1
OFFSHORE WATERS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
434 AM EDT SUN AUG 17 2025
NEW ENGLAND CONTINENTAL SHELF AND SLOPE WATERS FROM 25 NM
OFFSHORE TO THE HAGUE LINE, EXCEPT TO 1000 FM SOUTH OF NEW
ENGLAND.
SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE AVERAGE
HEIGHT OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE
MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
LOCALLY HIGHER WINDS AND SEAS CAN BE EXPECTED IN AND NEAR TSTMS.
ANZ898-172000-
434 AM EDT SUN AUG 17 2025
SYNOPSIS FOR NEW ENGLAND WATERS
HIGH PRESSURE ACROSS THE AREA
WILL SHIFT SE OF THE REGION TODAY. A COLD FRONT WILL SLOWLY MOVE
S ACROSS THE WATERS TONIGHT INTO MON, THEN PASS S OF THE AREA
LATE MON AND MON NIGHT AS HIGH PRESSURE BUILDS S ACROSS THE
REGION. THE HIGH WILL REMAIN OVER THE AREA TUE, THEN SHIFT E OF
THE AREA TUE NIGHT THROUGH WED NIGHT. HURRICANE ERIN WILL MOVE N
THEN NE WHILE PASSING TO THE S AND SE OF THE WATERS WED THROUGH
THU NIGHT. LONG PERIOD SE TO S SWELL FROM HURRICANE ERIN WILL
MOVE INTO THE REGION MON AND MON NIGHT, THEN CONTINUE THROUGH
WED NIGHT BEFORE BACKING TO THE SE AND E THU AND THU NIGHT. FOR
MORE INFORMATION ON HURRICANE ERIN, PLEASE CLOSELY MONITOR THE
LATEST FORECASTS FROM THE NATIONAL HURRICANE CENTER.
ANZ800-172000-
GULF OF MAINE TO THE HAGUE LINE-
434 AM EDT SUN AUG 17 2025
TODAY
S TO SW WINDS 10 TO 15 KT, BECOMING S 15 TO 20 KT. SEAS
3 TO 4 FT.
TONIGHT
N WINDS 15 TO 25 KT. SEAS 3 TO 6 FT. CHANCE OF
SHOWERS AND TSTMS.
MON
N TO NE WINDS 15 TO 25 KT. SEAS 4 TO 7 FT.
MON NIGHT
N TO NE WINDS 5 TO 15 KT. SEAS 3 TO 6 FT.
TUE
NE WINDS 5 TO 10 KT, BECOMING E. SEAS 3 TO 4 FT.
TUE NIGHT
S TO SE WINDS LESS THAN 10 KT. SEAS 3 TO 6 FT.
WED
E TO SE WINDS LESS THAN 10 KT, INCREASING TO 5 TO 15 KT.
SEAS 4 TO 7 FT.
WED NIGHT
E TO NE WINDS 5 TO 15 KT. SEAS 5 TO 9 FT.
THU
NE WINDS 10 TO 20 KT. SEAS 8 TO 14 FT.
THU NIGHT
NE WINDS 5 TO 15 KT, BECOMING N 10 TO 20 KT. SEAS
10 TO 17 FT.
ANZ805-172000-
GEORGES BANK BETWEEN CAPE COD AND 68W NORTH OF 1000 FM-
434 AM EDT SUN AUG 17 2025
TODAY
SW WINDS LESS THAN 10 KT, INCREASING TO 10 TO 20 KT.
SEAS 3 TO 4 FT.
TONIGHT
SW WINDS 10 TO 20 KT, BECOMING N TO NE 15 TO 25 KT.
SEAS 3 TO 6 FT. CHANCE OF SHOWERS AND TSTMS.
MON
NE WINDS 15 TO 25 KT. SEAS 4 TO 8 FT. CHANCE OF SHOWERS
AND TSTMS.
MON NIGHT
NE WINDS 10 TO 20 KT, BECOMING 10 TO 15 KT. SEAS
4 TO 8 FT.
TUE
E TO NE WINDS 10 TO 20 KT, BECOMING E 5 TO 15 KT. SEAS
4 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 9 FT.
WED
E WINDS 10 TO 20 KT. SEAS 6 TO 11 FT.
WED NIGHT
E WINDS 15 TO 25 KT, BECOMING NE. SEAS 9 TO 16 FT.
THU
NE WINDS 20 TO 30 KT. SEAS 12 TO 21 FT.
THU NIGHT
NE WINDS 20 TO 30 KT, BECOMING N 15 TO 25 KT. SEAS
14 TO 23 FT.
ANZ900-172000-
GEORGES BANK BETWEEN 68W AND THE HAGUE LINE-
434 AM EDT SUN AUG 17 2025
TODAY
VARIABLE WINDS LESS THAN 10 KT, BECOMING S, THEN,
BECOMING S TO SW 10 TO 20 KT. SEAS 3 TO 4 FT.
TONIGHT
SW WINDS 10 TO 20 KT, BECOMING N 15 TO 25 KT. SEAS
3 TO 6 FT. CHANCE OF SHOWERS AND TSTMS.
MON
N WINDS 15 TO 25 KT. SEAS 4 TO 7 FT. CHANCE OF SHOWERS
AND TSTMS.
MON NIGHT
NE WINDS 10 TO 20 KT, BECOMING 10 TO 15 KT. SEAS
4 TO 8 FT.
TUE
E TO NE WINDS 5 TO 15 KT. SEAS 4 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 20 KT. SEAS 5 TO 9 FT.
WED
E WINDS 10 TO 20 KT. SEAS 6 TO 10 FT.
WED NIGHT
E WINDS 15 TO 25 KT. SEAS 9 TO 15 FT.
THU
NE WINDS 20 TO 30 KT. SEAS 12 TO 21 FT.
THU NIGHT
NE WINDS 20 TO 30 KT, BECOMING N. SEAS 15 TO 25 FT.
ANZ810-172000-
SOUTH OF NEW ENGLAND BETWEEN THE GREAT SOUTH CHANNEL AND MONTAUK
POINT TO 1000 FM-
434 AM EDT SUN AUG 17 2025
TODAY
SW WINDS 5 TO 10 KT, BECOMING 5 TO 15 KT. SEAS 3 TO
4 FT.
TONIGHT
SW WINDS 10 TO 15 KT, BECOMING NE 15 TO 25 KT. SEAS
3 TO 5 FT. CHANCE OF SHOWERS AND TSTMS.
MON
NE WINDS 20 TO 30 KT. SEAS 4 TO 8 FT. CHANCE OF SHOWERS
AND TSTMS.
MON NIGHT
E TO NE WINDS 15 TO 25 KT. SEAS 5 TO 8 FT.
TUE
E WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT. SEAS
5 TO 8 FT.
TUE NIGHT
E WINDS 15 TO 20 KT. SEAS 6 TO 10 FT.
WED
E WINDS 15 TO 20 KT. SEAS 8 TO 12 FT.
WED NIGHT
NE WINDS 15 TO 25 KT. SEAS 10 TO 17 FT.
THU
NE WINDS 20 TO 30 KT. SEAS 14 TO 21 FT.
THU NIGHT
NE WINDS 25 TO 30 KT, BECOMING N 20 TO 25 KT. SEAS
13 TO 22 FT.
ANZ815-172000-
SOUTH OF LONG ISLAND BETWEEN MONTAUK POINT AND SANDY HOOK TO
1000 FM-
434 AM EDT SUN AUG 17 2025
TODAY
S TO SW WINDS LESS THAN 10 KT, INCREASING TO 10 TO
20 KT. SEAS 3 TO 4 FT.
TONIGHT
S TO SW WINDS 15 TO 20 KT, BECOMING NE 15 TO 25 KT.
SEAS 3 TO 5 FT. CHANCE OF SHOWERS AND TSTMS.
MON
NE WINDS 20 TO 30 KT. SEAS 5 TO 9 FT. CHANCE OF RAIN,
THEN CHANCE OF SHOWERS AND SLIGHT CHANCE OF TSTMS.
MON NIGHT
E WINDS 15 TO 25 KT. SEAS 5 TO 9 FT.
TUE
E WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT. SEAS
5 TO 8 FT.
TUE NIGHT
E WINDS 15 TO 20 KT. SEAS 6 TO 10 FT.
WED
E TO NE WINDS 15 TO 20 KT. SEAS 7 TO 12 FT.
WED NIGHT
NE WINDS 15 TO 25 KT. SEAS 10 TO 17 FT.
THU
NE WINDS 20 TO 30 KT. SEAS 12 TO 20 FT.
THU NIGHT
NE WINDS 15 TO 25 KT, BECOMING N 10 TO 20 KT. SEAS
11 TO 18 FT.
.FORECASTER KELLS. OCEAN PREDICTION CENTER.
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