277
FZNT21 KWBC 202042
OFFNT1
OFFSHORE WATERS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
442 PM EDT WED AUG 20 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.
ANZ898-210845-
442 PM EDT WED AUG 20 2025
SYNOPSIS FOR NEW ENGLAND WATERS
HIGH PRESSURE E OF THE REGION
WILL CONTINUE TO GRADUALLY SHIFT E OF THE AREA TONIGHT. THE
CENTER OF HURRICANE ERIN IS EXPECTED TO PASS NE THROUGH THE OUTER
MID-ATLANTIC WATERS THU NIGHT INTO FRI, REMAINING S OF THE
WATERS. ERIN WILL THEN MOVE FARTHER AWAY FROM THE AREA FRI NIGHT
INTO SAT. LONG PERIOD S SWELL FROM HURRICANE ERIN WILL CONTINUE
THROUGH THU NIGHT BEFORE BACKING TO THE SE AND E FRI NIGHT. A
HIGH PRESSURE RIDGE WILL MOVE E ACROSS THE WATERS FRI NIGHT AND
SAT, THEN SHIFT E OF THE AREA SAT NIGHT INTO SUN. A COLD FRONT
WILL GRADUALLY APPROACH THE WATERS FROM THE W LATE SUN NIGHT,
THEN MOVE E ACROSS THE AREA MON AND MON NIGHT. FOR MORE
INFORMATION ON HURRICANE ERIN, PLEASE CLOSELY MONITOR THE LATEST
FORECASTS FROM THE NATIONAL HURRICANE CENTER.
ANZ800-210845-
GULF OF MAINE TO THE HAGUE LINE-
442 PM EDT WED AUG 20 2025
TONIGHT
E TO SE WINDS LESS THAN 10 KT, INCREASING TO 5 TO
15 KT. SEAS 4 TO 7 FT. CHANCE OF SHOWERS.
THU
E WINDS 10 TO 20 KT. SEAS 6 TO 10 FT. CHANCE OF RAIN.
THU NIGHT
NE WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.
FRI
N TO NE WINDS 20 TO 30 KT. SEAS 11 TO 19 FT.
FRI NIGHT
N WINDS 10 TO 20 KT, BECOMING SW. SEAS 10 TO 16 FT.
SAT
S TO SW WINDS 10 TO 20 KT. SEAS 6 TO 11 FT.
SAT NIGHT
S WINDS 10 TO 20 KT. SEAS 5 TO 9 FT.
SUN
S WINDS 10 TO 15 KT, BECOMING 10 TO 20 KT. SEAS 4 TO
8 FT.
SUN NIGHT
S WINDS 10 TO 20 KT, BECOMING 10 TO 15 KT. SEAS
4 TO 6 FT.
MON
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
MON NIGHT
S WINDS 5 TO 15 KT, BECOMING SW 5 TO 10 KT. SEAS
3 TO 4 FT.
ANZ805-210845-
GEORGES BANK BETWEEN CAPE COD AND 68W NORTH OF 1000 FM-
442 PM EDT WED AUG 20 2025
..TROPICAL STORM WARNING
TONIGHT
E WINDS 15 TO 25 KT. SEAS 7 TO 12 FT. CHANCE OF
SHOWERS.
THU
E WINDS 20 TO 30 KT. SEAS 11 TO 19 FT. CHANCE OF RAIN.
THU NIGHT
NE WINDS 35 TO 45 KT. SEAS 14 TO 29 FT. RAIN.
FRI
N WINDS 30 TO 40 KT, DIMINISHING TO 20 TO 30 KT. SEAS
14 TO 29 FT. SHOWERS AND TSTMS.
FRI NIGHT
N WINDS 15 TO 25 KT, BECOMING W. SEAS 12 TO 20 FT.
SAT
SW WINDS 10 TO 20 KT, BECOMING S TO SE. SEAS 7 TO 13 FT.
SAT NIGHT
S TO SE WINDS 5 TO 15 KT. SEAS 6 TO 9 FT.
SUN
S WINDS 5 TO 15 KT. SEAS 5 TO 8 FT.
SUN NIGHT
S WINDS 5 TO 15 KT. SEAS 4 TO 7 FT.
MON
S TO SE WINDS 5 TO 15 KT. SEAS 3 TO 6 FT.
MON NIGHT
S WINDS 5 TO 15 KT, BECOMING W TO SW 10 TO 15 KT.
SEAS 3 TO 5 FT.
ANZ900-210845-
GEORGES BANK BETWEEN 68W AND THE HAGUE LINE-
442 PM EDT WED AUG 20 2025
..TROPICAL STORM WARNING
TONIGHT
E WINDS 5 TO 15 KT, INCREASING TO 15 TO 25 KT. SEAS
6 TO 11 FT.
THU
E WINDS 20 TO 30 KT. SEAS 10 TO 17 FT. CHANCE OF RAIN.
THU NIGHT
E TO NE WINDS 35 TO 45 KT. SEAS 14 TO 29 FT. RAIN.
FRI
NE WINDS 35 TO 45 KT, BECOMING N 30 TO 40 KT. SEAS 16 TO
31 FT. SHOWERS AND TSTMS.
FRI NIGHT
N WINDS 20 TO 30 KT, DIMINISHING TO 5 TO 15 KT.
SEAS 14 TO 23 FT.
SAT
VARIABLE WINDS LESS THAN 10 KT, BECOMING N TO NE. SEAS
8 TO 14 FT.
SAT NIGHT
S TO SE WINDS 5 TO 10 KT. SEAS 7 TO 10 FT.
SUN
S TO SE WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT. SEAS
6 TO 9 FT.
SUN NIGHT
S TO SE WINDS 5 TO 15 KT. SEAS 5 TO 7 FT.
MON
S TO SE WINDS 10 TO 15 KT. SEAS 4 TO 6 FT.
MON NIGHT
SW WINDS 10 TO 20 KT, BECOMING W 5 TO 10 KT. SEAS
3 TO 6 FT.
ANZ810-210845-
SOUTH OF NEW ENGLAND BETWEEN THE GREAT SOUTH CHANNEL AND MONTAUK
POINT TO 1000 FM-
442 PM EDT WED AUG 20 2025
..TROPICAL STORM WARNING
TONIGHT
E WINDS 15 TO 25 KT. SEAS 8 TO 14 FT. CHANCE OF
SHOWERS.
THU
E WINDS 20 TO 30 KT, BECOMING NE 25 TO 35 KT. SEAS 13 TO
21 FT. CHANCE OF RAIN.
THU NIGHT
N TO NE WINDS 35 TO 45 KT. SEAS 15 TO 28 FT. CHANCE
OF SHOWERS.
FRI
N WINDS 25 TO 35 KT, DIMINISHING TO 20 TO 30 KT. SEAS
13 TO 27 FT. SHOWERS AND TSTMS.
FRI NIGHT
N WINDS 20 TO 30 KT, BECOMING W TO SW 15 TO 25 KT.
SEAS 11 TO 18 FT.
SAT
SW WINDS 10 TO 20 KT, BECOMING S TO SE. SEAS 7 TO 12 FT.
SAT NIGHT
S TO SE WINDS 5 TO 15 KT. SEAS 5 TO 9 FT.
SUN
S WINDS 5 TO 10 KT, BECOMING 5 TO 15 KT. SEAS 4 TO 8 FT.
SUN NIGHT
S TO SE WINDS 5 TO 15 KT. SEAS 4 TO 7 FT.
MON
SE WINDS 10 TO 15 KT, BECOMING S 5 TO 15 KT. SEAS 3 TO
6 FT.
MON NIGHT
W WINDS 5 TO 15 KT. SEAS 3 TO 5 FT.
ANZ815-210845-
SOUTH OF LONG ISLAND BETWEEN MONTAUK POINT AND SANDY HOOK TO
1000 FM-
442 PM EDT WED AUG 20 2025
..TROPICAL STORM WARNING
TONIGHT
E WINDS 15 TO 25 KT. SEAS 9 TO 15 FT. CHANCE OF
SHOWERS.
THU
NE WINDS 25 TO 30 KT, BECOMING 25 TO 35 KT. SEAS 14 TO
23 FT. SHOWERS AND TSTMS, THEN CHANCE OF RAIN.
THU NIGHT
NE WINDS 25 TO 35 KT, BECOMING N. SEAS 15 TO 25 FT.
FRI
N WINDS 20 TO 30 KT. SEAS 12 TO 21 FT.
FRI NIGHT
NE WINDS 10 TO 20 KT, BECOMING SW 5 TO 15 KT. SEAS
9 TO 15 FT.
SAT
SW WINDS LESS THAN 10 KT, BECOMING S TO SW. SEAS 6 TO
10 FT.
SAT NIGHT
S WINDS 5 TO 15 KT. SEAS 5 TO 8 FT.
SUN
S WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT. SEAS 4 TO
7 FT.
SUN NIGHT
S WINDS 10 TO 15 KT, DIMINISHING TO 5 TO 10 KT.
SEAS 4 TO 7 FT.
MON
S TO SE WINDS 5 TO 10 KT, BECOMING S TO SW. SEAS 3 TO
6 FT.
MON NIGHT
SW WINDS 10 TO 15 KT, BECOMING W. SEAS 3 TO 4 FT.
.FORECASTER HOLLEY. OCEAN PREDICTION CENTER.
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