Offshore Waters Forecast (New England)

FZNT21 KWBC 201443
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1043 AM EDT Sun Sep 20 2026

New England continental shelf and slope waters from 60 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.

ANZ898-210245-
1043 AM EDT Sun Sep 20 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...High pressure will shift E of
the waters early today. A warm front will lift N into the far S
waters later today into tonight, before low pressure moves E
across the far S waters later tonight and Mon while pulling a
cold front over the area. The cold front will stall S of the area
Mon night through Tue night as low pressure develops along and S
of the stalled front, then lifts slowly N towards the waters Wed
and Wed night. Strong high pressure will build N of the region
Tue and Tue night, then continue Wed into Thu night. The low will
strengthen just S of the region Thu and Thu night. Widespread
strong gale force winds, with storm force wind gusts, and
building seas are likely over most of the waters beginning Tue
and continuing through Thu night. Mariners should consider
avoidance plans as this significant weather system likely impacts
most of the region Tue through Thu night. Please monitor the
latest OPC and coastal marine forecasts. 

$$

ANZ800-210245-
Gulf of Maine to the Hague Line-
1043 AM EDT Sun Sep 20 2026

.TODAY...S to SE winds 10 to 15 kt. Seas 3 to 4 ft. 
.TONIGHT...SE winds 5 to 15 kt, becoming E to NE 10 to 20 kt.
Seas 3 to 4 ft. Showers.
.MON...N to NE winds 15 to 25 kt. Seas 3 to 4 ft. Chance of
showers. 
.MON NIGHT...NE winds 15 to 25 kt. Seas 3 to 5 ft. 
.TUE...NE winds 15 to 20 kt. Seas 4 to 6 ft. 
.TUE NIGHT...E winds 15 to 25 kt. Seas 5 to 8 ft. 
.WED...E winds 20 to 30 kt. Seas 6 to 10 ft. 
.WED NIGHT...E winds 20 to 30 kt. Seas 7 to 12 ft.
.THU...NE winds 20 to 30 kt. Seas 8 to 14 ft. 
.THU NIGHT...NE winds 20 to 30 kt. Seas 9 to 15 ft. 

$$

ANZ805-210245-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1043 AM EDT Sun Sep 20 2026

...GALE FORCE WINDS POSSIBLE TUE NIGHT...

.TODAY...SE winds 5 to 15 kt. Seas 3 to 4 ft. 
.TONIGHT...E to SE winds 5 to 15 kt. Seas 3 to 4 ft. Showers.
.MON...N to NE winds 15 to 25 kt. Seas 4 to 5 ft. Scattered
showers. 
.MON NIGHT...NE winds 15 to 25 kt. Seas 4 to 7 ft. Chance of
showers. 
.TUE...NE winds 20 to 30 kt. Seas 5 to 9 ft. 
.TUE NIGHT...E winds 20 to 30 kt, increasing to 25 to 35 kt.
Seas 8 to 13 ft. 
.WED...E winds 30 to 40 kt. Seas 10 to 17 ft. 
.WED NIGHT...E to NE winds 30 to 40 kt. Seas 11 to 19 ft. 
.THU...E to NE winds 30 to 40 kt. Seas 13 to 19 ft. 
.THU NIGHT...E to NE winds 25 to 35 kt. Seas 14 to 19 ft. 

$$

ANZ900-210245-
Georges Bank between 68W and the Hague Line-
1043 AM EDT Sun Sep 20 2026

...GALE FORCE WINDS POSSIBLE WED...

.TODAY...S to SE winds 5 to 15 kt. Seas 3 to 4 ft. 
.TONIGHT...S to SE winds less than 10 kt, becoming E to SE. Seas
3 to 4 ft. Showers.
.MON...NE winds 10 to 20 kt. Seas 3 to 5 ft. Rain. Chance of
showers. 
.MON NIGHT...NE winds 15 to 25 kt. Seas 4 to 6 ft. 
.TUE...NE winds 20 to 30 kt. Seas 5 to 9 ft. 
.TUE NIGHT...E winds 20 to 30 kt. Seas 7 to 12 ft. 
.WED...E winds 30 to 40 kt. Seas 9 to 16 ft. 
.WED NIGHT...E to NE winds 30 to 40 kt. Seas 11 to 18 ft. 
.THU...E to NE winds 30 to 40 kt. Seas 13 to 19 ft. 
.THU NIGHT...E to NE winds 30 to 40 kt. Seas 14 to 18 ft. 

$$

ANZ810-210245-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1043 AM EDT Sun Sep 20 2026

...GALE FORCE WINDS POSSIBLE TUE...

.TODAY...SE winds 10 to 15 kt, becoming S. Seas 3 to 4 ft.
Slight chance of showers. 
.TONIGHT...S winds 5 to 15 kt, becoming W to NW. Seas 3 to 4 ft.
Showers and slight chance of tstms. 
.MON...N winds 10 to 20 kt, becoming NE 15 to 25 kt. Seas 4 to
6 ft. Scattered showers. 
.MON NIGHT...NE winds 20 to 25 kt. Seas 5 to 7 ft. Chance of
showers. 
.TUE...NE winds 25 to 30 kt, increasing to 30 to 35 kt. Seas
7 to 11 ft. 
.TUE NIGHT...E to NE winds 30 to 35 kt. Seas 9 to 13 ft. 
.WED...E to NE winds 30 to 40 kt. Seas 12 to 17 ft. 
.WED NIGHT...NE winds 35 to 40 kt. Seas 16 to 19 ft. 
.THU...NE winds 35 to 45 kt. Seas 17 to 19 ft. 
.THU NIGHT...E to NE winds 30 to 40 kt. Seas 14 to 19 ft. 

$$

ANZ815-210245-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1043 AM EDT Sun Sep 20 2026

...GALE FORCE WINDS POSSIBLE TUE...

.TODAY...SE winds 10 to 15 kt, becoming S. Seas 3 to 4 ft.
Slight chance of showers. Slight chance of tstms. 
.TONIGHT...S winds 5 to 15 kt, becoming W to SW. Seas 3 to 4 ft.
Showers and slight chance of tstms. 
.MON...N to NE winds 15 to 25 kt. Seas 4 to 6 ft. Chance of
showers. 
.MON NIGHT...E to NE winds 20 to 25 kt. Seas 6 to 7 ft. Chance
of showers. 
.TUE...NE winds 25 to 30 kt, increasing to 30 to 35 kt. Seas
8 to 11 ft. 
.TUE NIGHT...E winds 30 to 35 kt, becoming NE. Seas 11 to 14 ft.
.WED...NE winds 35 to 40 kt. Seas 13 to 16 ft.
.WED NIGHT...NE winds 35 to 40 kt. Seas 16 to 18 ft. 
.THU...NE winds 40 to 45 kt. Seas 17 to 19 ft. 
.THU NIGHT...NE winds 35 to 45 kt. Seas 15 to 19 ft. 

$$

.Forecaster Holley. Ocean Prediction Center.