851
FZNT21 KWBC 182115
OFFNT1
OFFSHORE WATERS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
515 PM EDT MON AUG 18 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.
ANZ898-190915-
515 PM EDT MON AUG 18 2025
SYNOPSIS FOR NEW ENGLAND WATERS
HIGH PRESSURE OVER THE
REGION WILL CONTINUE TUE, THEN SHIFT E OF THE AREA TUE NIGHT
THROUGH WED NIGHT. HURRICANE ERIN WILL BE NEAR 30.5N 73.7W AT 2
PM EDT WED, THEN MOVE TO 32.7N 73.0W BY 2 AM EDT THU, THEN TO
34.8N 71.2W BY 2 PM EDT THU, THEN MOVE NE THROUGH SAT WHILE
MOVING AWAY FROM THE WATERS STARTING FRI. LONG PERIOD S SWELL
FROM HURRICANE ERIN WILL MOVE INTO THE REGION TUE, THEN CONTINUE
THROUGH THU NIGHT BEFORE BACKING TO THE SE AND E FRI NIGHT. A
HIGH PRESSURE RIDGE WILL BUILD ACROSS THE WATERS LATE FRI AND FRI
NIGHT AND CONTINUE INTO SAT NIGHT. FOR MORE INFORMATION ON
HURRICANE ERIN, PLEASE CLOSELY MONITOR THE LATEST FORECASTS FROM
THE NATIONAL HURRICANE CENTER.
ANZ800-190915-
GULF OF MAINE TO THE HAGUE LINE-
515 PM EDT MON AUG 18 2025
TONIGHT
N TO NE WINDS 10 TO 20 KT, BECOMING NE 5 TO 15 KT.
SEAS 3 TO 6 FT.
TUE
NE WINDS 5 TO 15 KT, BECOMING E. SEAS 3 TO 4 FT.
TUE NIGHT
S TO SE WINDS LESS THAN 10 KT. SEAS 3 TO 5 FT.
WED
VARIABLE WINDS LESS THAN 5 KT, BECOMING SE. SEAS 3 TO
6 FT.
WED NIGHT
E TO SE WINDS LESS THAN 10 KT. SEAS 4 TO 8 FT.
THU
E WINDS 5 TO 15 KT, BECOMING E TO NE 10 TO 20 KT. SEAS
7 TO 13 FT.
THU NIGHT
NE WINDS 15 TO 25 KT. SEAS 10 TO 18 FT.
FRI
NE WINDS 15 TO 25 KT, BECOMING N 10 TO 20 KT. SEAS 11 TO
18 FT.
FRI NIGHT
N WINDS 5 TO 15 KT, BECOMING W TO SW. SEAS 7 TO
12 FT.
SAT
W TO SW WINDS 5 TO 15 KT, BECOMING S 10 TO 15 KT. SEAS
5 TO 9 FT.
SAT NIGHT
S WINDS 15 TO 25 KT. SEAS 4 TO 7 FT.
ANZ805-190915-
GEORGES BANK BETWEEN CAPE COD AND 68W NORTH OF 1000 FM-
515 PM EDT MON AUG 18 2025
..TROPICAL STORM CONDITIONS POSSIBLE THU NIGHT
TONIGHT
NE WINDS 10 TO 20 KT. SEAS 4 TO 7 FT.
TUE
E TO NE WINDS 5 TO 15 KT. SEAS 3 TO 6 FT.
TUE NIGHT
E TO SE WINDS 5 TO 15 KT. SEAS 4 TO 8 FT.
WED
E WINDS 5 TO 15 KT. SEAS 6 TO 10 FT.
WED NIGHT
E WINDS 5 TO 15 KT, INCREASING TO 10 TO 20 KT. SEAS
9 TO 15 FT.
THU
E WINDS 15 TO 25 KT, BECOMING NE 20 TO 30 KT. SEAS 14 TO
24 FT.
THU NIGHT
NE WINDS 20 TO 30 KT, INCREASING TO 25 TO 35 KT.
SEAS 17 TO 27 FT.
FRI
TROPICAL STORM CONDITIONS POSSIBLE.
FRI NIGHT
N TO NE WINDS 10 TO 20 KT, BECOMING W TO NW 5 TO
15 KT. SEAS 9 TO 15 FT.
SAT
N WINDS 10 TO 15 KT, BECOMING S. SEAS 6 TO 10 FT.
SAT NIGHT
S WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
ANZ900-190915-
GEORGES BANK BETWEEN 68W AND THE HAGUE LINE-
515 PM EDT MON AUG 18 2025
..TROPICAL STORM CONDITIONS POSSIBLE THU NIGHT
TONIGHT
N WINDS 10 TO 20 KT, BECOMING NE 10 TO 15 KT. SEAS
4 TO 7 FT.
TUE
NE WINDS 5 TO 15 KT, BECOMING E. SEAS 4 TO 6 FT.
TUE NIGHT
E WINDS 5 TO 15 KT, BECOMING 5 TO 10 KT. SEAS 4 TO
8 FT.
WED
E WINDS 5 TO 10 KT, BECOMING 5 TO 15 KT. SEAS 5 TO 9 FT.
WED NIGHT
E WINDS 5 TO 15 KT, INCREASING TO 10 TO 20 KT. SEAS
8 TO 14 FT.
THU
E WINDS 15 TO 25 KT, BECOMING NE 20 TO 30 KT. SEAS 13 TO
22 FT.
THU NIGHT
NE WINDS 20 TO 30 KT, INCREASING TO 25 TO 35 KT.
SEAS 15 TO 27 FT.
FRI
TROPICAL STORM CONDITIONS POSSIBLE.
FRI NIGHT
N WINDS 15 TO 25 KT, DIMINISHING TO 5 TO 15 KT.
SEAS 9 TO 16 FT.
SAT
N TO NE WINDS 5 TO 15 KT. SEAS 7 TO 11 FT.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 9 FT.
ANZ810-190915-
SOUTH OF NEW ENGLAND BETWEEN THE GREAT SOUTH CHANNEL AND MONTAUK
POINT TO 1000 FM-
515 PM EDT MON AUG 18 2025
..TROPICAL STORM CONDITIONS POSSIBLE THU NIGHT
TONIGHT
E TO NE WINDS 10 TO 20 KT. SEAS 4 TO 7 FT.
TUE
E WINDS 10 TO 20 KT, BECOMING 10 TO 15 KT. SEAS 4 TO
7 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 9 FT.
WED
E WINDS 10 TO 15 KT. SEAS 7 TO 11 FT.
WED NIGHT
E WINDS 15 TO 25 KT. SEAS 9 TO 16 FT.
THU
E TO NE WINDS 20 TO 30 KT. SEAS 15 TO 25 FT.
THU NIGHT
NE WINDS 25 TO 30 KT, BECOMING 25 TO 35 KT. SEAS
15 TO 26 FT.
FRI
N TO NE WINDS 20 TO 30 KT. SEAS 14 TO 23 FT.
FRI NIGHT
E TO NE WINDS 15 TO 25 KT, BECOMING W TO SW 10 TO
20 KT. SEAS 8 TO 14 FT.
SAT
N WINDS 10 TO 15 KT, BECOMING E TO SE. SEAS 6 TO 10 FT.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 8 FT.
ANZ815-190915-
SOUTH OF LONG ISLAND BETWEEN MONTAUK POINT AND SANDY HOOK TO
1000 FM-
515 PM EDT MON AUG 18 2025
TONIGHT
E TO NE WINDS 15 TO 25 KT. SEAS 4 TO 8 FT.
TUE
E WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT. SEAS
5 TO 7 FT.
TUE NIGHT
E WINDS 10 TO 15 KT. SEAS 5 TO 9 FT.
WED
E WINDS 10 TO 15 KT. SEAS 7 TO 12 FT.
WED NIGHT
E WINDS 15 TO 25 KT. SEAS 10 TO 17 FT.
THU
NE WINDS 20 TO 30 KT. SEAS 14 TO 24 FT.
THU NIGHT
NE WINDS 20 TO 30 KT. SEAS 15 TO 25 FT.
FRI
N WINDS 20 TO 30 KT, BECOMING NE 10 TO 20 KT. SEAS 12 TO
20 FT.
FRI NIGHT
E TO SE WINDS 5 TO 15 KT, BECOMING S TO SW. SEAS
7 TO 12 FT.
SAT
SW WINDS 5 TO 10 KT, BECOMING S 10 TO 15 KT. SEAS 5 TO
9 FT.
SAT NIGHT
S WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT.
SEAS 5 TO 7 FT.
.FORECASTER HOLLEY. OCEAN PREDICTION CENTER.
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