186
FZNT21 KWBC 201455
OFFNT1
OFFSHORE WATERS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1055 AM 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.
ANZ898-210300-
1055 AM 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 THROUGH 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. FOR
MORE INFORMATION ON HURRICANE ERIN, PLEASE CLOSELY MONITOR THE
LATEST FORECASTS FROM THE NATIONAL HURRICANE CENTER.
ANZ800-210300-
GULF OF MAINE TO THE HAGUE LINE-
1055 AM EDT WED AUG 20 2025
TODAY
E TO SE WINDS 5 TO 10 KT, BECOMING VARIABLE. SEAS 4 TO
7 FT.
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 5 TO 9 FT. CHANCE OF RAIN.
THU NIGHT
NE WINDS 20 TO 30 KT. SEAS 9 TO 15 FT.
FRI
N TO NE WINDS 20 TO 30 KT. SEAS 11 TO 18 FT.
FRI NIGHT
N WINDS 10 TO 20 KT, BECOMING SW. SEAS 9 TO 15 FT.
SAT
S WINDS LESS THAN 10 KT, INCREASING TO 10 TO 15 KT. SEAS
6 TO 11 FT.
SAT NIGHT
S TO SW WINDS 15 TO 20 KT. SEAS 5 TO 9 FT.
SUN
S WINDS 15 TO 20 KT. SEAS 4 TO 7 FT.
SUN NIGHT
S WINDS 15 TO 20 KT. SEAS 4 TO 6 FT.
ANZ805-210300-
GEORGES BANK BETWEEN CAPE COD AND 68W NORTH OF 1000 FM-
1055 AM EDT WED AUG 20 2025
..TROPICAL STORM WARNING
TODAY
E WINDS 5 TO 15 KT, INCREASING TO 10 TO 20 KT. SEAS
6 TO 10 FT.
TONIGHT
E WINDS 15 TO 25 KT. SEAS 6 TO 11 FT. CHANCE OF
SHOWERS.
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 27 FT. RAIN.
FRI
N WINDS 35 TO 45 KT, DIMINISHING TO 20 TO 30 KT. SEAS
14 TO 28 FT.
FRI NIGHT
N WINDS 15 TO 25 KT, BECOMING W TO NW. SEAS 12 TO
20 FT.
SAT
VARIABLE WINDS LESS THAN 10 KT, BECOMING S. SEAS 8 TO
13 FT.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 6 TO 10 FT.
SUN
S TO SE WINDS 10 TO 15 KT. SEAS 6 TO 8 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
ANZ900-210300-
GEORGES BANK BETWEEN 68W AND THE HAGUE LINE-
1055 AM EDT WED AUG 20 2025
..TROPICAL STORM WARNING
TODAY
E WINDS 5 TO 15 KT. SEAS 6 TO 9 FT.
TONIGHT
E WINDS 15 TO 25 KT. SEAS 6 TO 10 FT.
THU
E WINDS 20 TO 30 KT. SEAS 9 TO 15 FT. CHANCE OF RAIN.
THU NIGHT
E TO NE WINDS 35 TO 45 KT. SEAS 13 TO 27 FT. RAIN.
FRI
NE WINDS 35 TO 50 KT, BECOMING N 30 TO 40 KT. SEAS 16 TO
29 FT.
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 S TO SE. SEAS
9 TO 14 FT.
SAT NIGHT
S WINDS 5 TO 15 KT. SEAS 7 TO 11 FT.
SUN
S TO SE WINDS 5 TO 15 KT. SEAS 6 TO 9 FT.
SUN NIGHT
S TO SE WINDS 10 TO 15 KT. SEAS 5 TO 7 FT.
ANZ810-210300-
SOUTH OF NEW ENGLAND BETWEEN THE GREAT SOUTH CHANNEL AND MONTAUK
POINT TO 1000 FM-
1055 AM EDT WED AUG 20 2025
..TROPICAL STORM WARNING
TODAY
E WINDS 10 TO 20 KT. SEAS 7 TO 11 FT.
TONIGHT
E WINDS 15 TO 25 KT. SEAS 8 TO 13 FT. CHANCE OF
SHOWERS.
THU
E WINDS 20 TO 30 KT, BECOMING NE 25 TO 35 KT. SEAS 12 TO
20 FT. CHANCE OF RAIN.
THU NIGHT
N TO NE WINDS 30 TO 40 KT. SEAS 14 TO 27 FT. CHANCE
OF SHOWERS.
FRI
N WINDS 25 TO 35 KT, DIMINISHING TO 20 TO 30 KT. SEAS
16 TO 26 FT.
FRI NIGHT
N WINDS 20 TO 30 KT, BECOMING W TO SW 15 TO 25 KT.
SEAS 11 TO 18 FT.
SAT
W TO SW WINDS LESS THAN 10 KT, BECOMING S TO SW. SEAS
7 TO 12 FT.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 5 TO 9 FT.
SUN
S WINDS 10 TO 15 KT. SEAS 4 TO 8 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 7 FT.
ANZ815-210300-
SOUTH OF LONG ISLAND BETWEEN MONTAUK POINT AND SANDY HOOK TO
1000 FM-
1055 AM EDT WED AUG 20 2025
..TROPICAL STORM WARNING
TODAY
E WINDS 10 TO 15 KT, BECOMING 10 TO 20 KT. SEAS 7 TO
10 FT. CHANCE OF SHOWERS.
TONIGHT
E WINDS 15 TO 25 KT. SEAS 8 TO 14 FT. CHANCE OF
SHOWERS.
THU
NE WINDS 25 TO 30 KT, BECOMING 25 TO 35 KT. SEAS 13 TO
22 FT. SHOWERS AND TSTMS, THEN CHANCE OF RAIN.
THU NIGHT
NE WINDS 25 TO 35 KT, BECOMING N. SEAS 14 TO 24 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. SEAS 6 TO 10 FT.
SAT NIGHT
S WINDS 10 TO 15 KT. SEAS 4 TO 8 FT.
SUN
S WINDS 10 TO 15 KT. SEAS 4 TO 7 FT.
SUN NIGHT
S WINDS 10 TO 15 KT. SEAS 3 TO 6 FT.
.FORECASTER HOLLEY. OCEAN PREDICTION CENTER.
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