590
FZNT21 KWBC 200908
OFFNT1
OFFSHORE WATERS FORECAST
NWS OCEAN PREDICTION CENTER WASHINGTON DC
508 AM EDT MON OCT 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.
ANZ898-201945-
508 AM EDT MON OCT 20 2025
SYNOPSIS FOR NEW ENGLAND WATERS
A STRONG COLD FRONT WILL MOVE
E AND NE ACROSS THE WATERS TODAY INTO THIS EVENING AS ASSOCIATED
LOW PRESSURE AREA TRACKS JUST N OF NEW ENGLAND. A LOW PRESSURE
TROUGH WILL CROSS THE REGION LATE TODAY INTO TUE AS HIGH
PRESSURE BUILDS TO THE SW AND S OF THE WATERS. THE NEXT COLD
FRONT WILL APPROACH FROM THE W LATE TUE INTO TUE NIGHT, AND MOVE
E AND SE OVER THE AREA LATE TUE NIGHT INTO WED NIGHT AS LOW
PRESSURE TRACKS N OF THE WATERS. A SERIES OF LOW PRESSURE
TROUGHS OR WEAK COLD FRONTS WILL MOVE ACROSS THE WATERS THU NIGHT
INTO FRI NIGHT. HIGH PRESSURE WILL BUILD E AND NE TOWARD THE
REGION FRI AND FRI NIGHT.
ANZ800-201945-
GULF OF MAINE TO THE HAGUE LINE-
508 AM EDT MON OCT 20 2025
..GALE WARNING
TODAY
SE WINDS 20 TO 30 KT, INCREASING TO 25 TO 35 KT. SEAS
7 TO 12 FT.
TONIGHT
S TO SE WINDS 20 TO 30 KT, BECOMING SW 15 TO 20 KT.
SEAS 6 TO 10 FT. SHOWERS LIKELY.
TUE
SW WINDS 15 TO 25 KT. SEAS 5 TO 9 FT. SLIGHT CHANCE OF
SHOWERS.
TUE NIGHT
SW WINDS 15 TO 20 KT, BECOMING S 10 TO 20 KT. SEAS
4 TO 7 FT.
WED
S WINDS 20 TO 30 KT. SEAS 4 TO 8 FT.
WED NIGHT
W TO SW WINDS 10 TO 20 KT. SEAS 4 TO 7 FT.
THU
SW WINDS 10 TO 20 KT. SEAS 4 TO 7 FT.
THU NIGHT
SW WINDS 10 TO 20 KT, BECOMING W 10 TO 15 KT. SEAS
3 TO 6 FT.
FRI
W WINDS 5 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
W WINDS 5 TO 15 KT, BECOMING NW 10 TO 15 KT. SEAS
3 TO 5 FT.
ANZ805-201945-
GEORGES BANK BETWEEN CAPE COD AND 68W NORTH OF 1000 FM-
508 AM EDT MON OCT 20 2025
..GALE WARNING
TODAY
SE WINDS 20 TO 30 KT, INCREASING TO 25 TO 35 KT. SEAS
6 TO 11 FT. SHOWERS AND CHANCE OF TSTMS WITH VSBY 1 NM OR LESS.
TONIGHT
W TO SW WINDS 15 TO 25 KT. SEAS 7 TO 12 FT. CHANCE OF
SHOWERS.
TUE
W TO SW WINDS 15 TO 25 KT. SEAS 6 TO 10 FT. SLIGHT CHANCE
OF SHOWERS.
TUE NIGHT
S TO SW WINDS 10 TO 20 KT. SEAS 4 TO 7 FT.
WED
S TO SW WINDS 15 TO 25 KT. SEAS 4 TO 7 FT.
WED NIGHT
W TO SW WINDS 15 TO 25 KT. SEAS 4 TO 7 FT.
THU
SW WINDS 15 TO 25 KT. SEAS 4 TO 7 FT.
THU NIGHT
W TO SW WINDS 10 TO 20 KT, BECOMING W 10 TO 15 KT.
SEAS 4 TO 6 FT.
FRI
W WINDS 5 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
W WINDS 5 TO 15 KT, BECOMING NW 10 TO 15 KT. SEAS
3 TO 5 FT.
ANZ900-201945-
GEORGES BANK BETWEEN 68W AND THE HAGUE LINE-
508 AM EDT MON OCT 20 2025
TODAY
SE WINDS 10 TO 15 KT, INCREASING TO 20 TO 30 KT. SEAS
5 TO 9 FT. SHOWERS AND SCATTERED TSTMS.
TONIGHT
W TO SW WINDS 15 TO 25 KT. SEAS 8 TO 11 FT. SCATTERED
TSTMS. SHOWERS LIKELY.
TUE
W TO SW WINDS 15 TO 25 KT. SEAS 7 TO 10 FT. CHANCE OF
SHOWERS.
TUE NIGHT
SW WINDS 10 TO 20 KT, BECOMING S. SEAS 5 TO 7 FT.
WED
S WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
WED NIGHT
W TO SW WINDS 15 TO 25 KT. SEAS 6 TO 8 FT.
THU
SW WINDS 10 TO 20 KT. SEAS 6 TO 7 FT.
THU NIGHT
W TO SW WINDS 10 TO 20 KT, BECOMING W 5 TO 15 KT.
SEAS 5 TO 7 FT.
FRI
W WINDS 5 TO 10 KT, INCREASING TO 10 TO 15 KT. SEAS 4 TO
6 FT.
FRI NIGHT
W WINDS 10 TO 15 KT. SEAS 4 TO 5 FT.
ANZ810-201945-
SOUTH OF NEW ENGLAND BETWEEN THE GREAT SOUTH CHANNEL AND MONTAUK
POINT TO 1000 FM-
508 AM EDT MON OCT 20 2025
..GALE WARNING
TODAY
SE WINDS 20 TO 25 KT, BECOMING S TO SE 25 TO 35 KT,
THEN, BECOMING SW 20 TO 30 KT. SEAS 8 TO 14 FT. CHANCE OF TSTMS.
SHOWERS. VSBY 1 NM OR LESS.
TONIGHT
W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT. CHANCE OF
SHOWERS.
TUE
W WINDS 15 TO 20 KT, BECOMING SW 10 TO 20 KT. SEAS 6 TO
10 FT.
TUE NIGHT
S WINDS 10 TO 20 KT. SEAS 4 TO 6 FT.
WED
S TO SW WINDS 15 TO 25 KT. SEAS 5 TO 7 FT.
WED NIGHT
W WINDS 10 TO 20 KT. SEAS 6 TO 8 FT.
THU
W TO SW WINDS 15 TO 25 KT. SEAS 6 TO 7 FT.
THU NIGHT
W WINDS 10 TO 20 KT, BECOMING 10 TO 15 KT. SEAS
4 TO 6 FT.
FRI
W WINDS 5 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
W TO NW WINDS 10 TO 15 KT, BECOMING NW 5 TO 10 KT.
SEAS 3 TO 5 FT.
ANZ815-201945-
SOUTH OF LONG ISLAND BETWEEN MONTAUK POINT AND SANDY HOOK TO
1000 FM-
508 AM EDT MON OCT 20 2025
..GALE WARNING
TODAY
S TO SW WINDS 20 TO 30 KT, BECOMING W TO SW 25 TO
35 KT. SEAS 8 TO 14 FT. SHOWERS. SCATTERED TSTMS. VSBY 1 NM OR
LESS.
TONIGHT
W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
TUE
W WINDS 10 TO 20 KT, BECOMING S TO SW 15 TO 25 KT. SEAS
5 TO 8 FT.
TUE NIGHT
S WINDS 15 TO 25 KT. SEAS 5 TO 6 FT.
WED
SW WINDS 10 TO 20 KT, BECOMING W 15 TO 25 KT. SEAS 4 TO
7 FT.
WED NIGHT
W WINDS 15 TO 25 KT. SEAS 4 TO 7 FT.
THU
W WINDS 15 TO 20 KT. SEAS 4 TO 7 FT.
THU NIGHT
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT.
SEAS 3 TO 6 FT.
FRI
W WINDS 10 TO 15 KT. SEAS 3 TO 5 FT.
FRI NIGHT
NW WINDS 10 TO 15 KT. SEAS 3 TO 4 FT.
.FORECASTER BANCROFT. OCEAN PREDICTION CENTER.
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