FZNT21 KWBC 312023
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
423 PM EDT Tue Mar 31 2026

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.

ANZ898-010830-
423 PM EDT Tue Mar 31 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...A stationary front will
continue across the region tonight into Wed as a series of weak
low pressure centers track E along the front. The front will move
slowly S across the waters later Wed into Wed night, stall just
S of the area Thu into Thu night, then return N across the waters
as a warm front late Thu night into Fri. High pressure pass N
and then NE of the region Thu into Fri. Another cold front will
move across the waters Fri night into Sat, then return back to
the N as a warm front Sat night into Sun. Yet another cold front
will move offshore Sun night.

$$

ANZ800-010830-
Gulf of Maine to the Hague Line-
423 PM EDT Tue Mar 31 2026

.TONIGHT...SW winds 20 to 30 kt. Seas 8 to 13 ft. Chance of
showers. Chance of tstms. Vsby 1 NM or less.
.WED...SW winds 20 to 30 kt, diminishing to 10 to 20 kt. Seas
7 to 13 ft. Chance of showers and tstms, then chance of rain.
Vsby 1 NM or less.
.WED NIGHT...NE winds 15 to 20 kt. Seas 4 to 8 ft. Chance of
rain.
.THU...E winds 10 to 20 kt. Seas 4 to 6 ft. Chance of rain.
.THU NIGHT...E to SE winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI...S to SE winds 10 to 20 kt, becoming SW 15 to 25 kt. Seas
4 to 6 ft.
.FRI NIGHT...SW winds 20 to 30 kt. Seas 5 to 9 ft.
.SAT...NW winds 10 to 20 kt, becoming NE 10 to 15 kt. Seas 4 to
7 ft.
.SAT NIGHT...E winds 15 to 20 kt, becoming SE 15 to 25 kt. Seas
3 to 6 ft.
.SUN...S winds 20 to 30 kt. Seas 6 to 10 ft.
.SUN NIGHT...SW winds 20 to 30 kt, diminishing to 15 to 20 kt.
Seas 6 to 10 ft.

$$

ANZ805-010830-
Georges Bank between Cape Cod and 68W north of 1000 FM-
423 PM EDT Tue Mar 31 2026

.TONIGHT...SW winds 20 to 30 kt. Seas 7 to 12 ft. Chance of
showers with vsby 1 nm or less.
.WED...SW winds 20 to 30 kt. Seas 7 to 12 ft. Chance of tstms.
Chance of showers. Vsby 1 NM or less.
.WED NIGHT...N to NE winds 10 to 20 kt. Seas 5 to 9 ft. Chance
of showers and tstms, then chance of rain with vsby 1 nm or
less.
.THU...E winds 10 to 20 kt. Seas 5 to 7 ft. Chance of rain.
.THU NIGHT...E winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 4 to 6 ft.
.FRI...S to SW winds 10 to 15 kt, becoming SW 15 to 25 kt. Seas
4 to 6 ft.
.FRI NIGHT...SW winds 20 to 30 kt. Seas 5 to 8 ft.
.SAT...W to SW winds 15 to 20 kt, becoming N to NE 5 to 15 kt.
Seas 4 to 6 ft.
.SAT NIGHT...E winds 5 to 15 kt, becoming S to SE 10 to 20 kt.
Seas 4 to 5 ft.
.SUN...S winds 15 to 20 kt, increasing to 20 to 30 kt. Seas 5 to
9 ft.
.SUN NIGHT...SW winds 15 to 25 kt. Seas 5 to 9 ft.

$$

ANZ900-010830-
Georges Bank between 68W and the Hague Line-
423 PM EDT Tue Mar 31 2026

.TONIGHT...SW winds 20 to 30 kt. Seas 9 to 13 ft. Chance of
showers with vsby 1 nm or less.
.WED...SW winds 20 to 30 kt. Seas 9 to 14 ft. Chance of tstms.
Chance of showers. Vsby 1 NM or less.
.WED NIGHT...N to NE winds 10 to 20 kt. Seas 6 to 10 ft. Chance
of showers and tstms, then chance of rain. Vsby 1 NM or less.
.THU...E winds 10 to 20 kt. Seas 5 to 7 ft. Chance of rain.
.THU NIGHT...E winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 5 to 6 ft.
.FRI...SW winds 5 to 10 kt, increasing to 15 to 20 kt. Seas 4 to
6 ft.
.FRI NIGHT...SW winds 20 to 25 kt. Seas 5 to 9 ft.
.SAT...W winds 10 to 20 kt, becoming N 5 to 10 kt. Seas 5 to
7 ft.
.SAT NIGHT...E winds 5 to 15 kt, becoming SE. Seas 4 to 6 ft.
.SUN...S winds 15 to 25 kt. Seas 5 to 9 ft.
.SUN NIGHT...S to SW winds 20 to 30 kt. Seas 8 to 10 ft.

$$

ANZ810-010830-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
423 PM EDT Tue Mar 31 2026

.TONIGHT...SW winds 25 to 30 kt. Seas 9 to 12 ft. Chance of
tstms with vsby 1 nm or less.
.WED...SW winds 15 to 25 kt. Seas 7 to 12 ft. Chance of tstms.
Chance of showers with vsby 1 nm or less.
.WED NIGHT...N to NE winds 10 to 20 kt, becoming E to NE. Seas
5 to 9 ft. Chance of showers and tstms, then chance of rain with
vsby 1 nm or less.
.THU...E to NE winds 10 to 20 kt. Seas 5 to 7 ft. Chance of rain
with vsby 1 nm or less.
.THU NIGHT...E winds 5 to 15 kt, becoming S to SW 5 to 10 kt.
Seas 4 to 6 ft.
.FRI...SW winds 10 to 15 kt, increasing to 15 to 20 kt. Seas
3 to 5 ft.
.FRI NIGHT...SW winds 15 to 25 kt. Seas 5 to 8 ft.
.SAT...W to SW winds 10 to 20 kt, becoming E to NE 5 to 15 kt.
Seas 4 to 6 ft.
.SAT NIGHT...SE winds 5 to 15 kt, becoming S 10 to 20 kt. Seas
4 to 5 ft.
.SUN...S winds 20 to 30 kt. Seas 5 to 9 ft.
.SUN NIGHT...W to SW winds 15 to 25 kt. Seas 7 to 9 ft.

$$

ANZ815-010830-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
423 PM EDT Tue Mar 31 2026

.TONIGHT...SW winds 20 to 30 kt. Seas 7 to 12 ft. Areas of fog
with vsby 1 nm or less early. Chance of tstms.
.WED...SW winds 15 to 25 kt. Seas 6 to 11 ft. Chance of tstms.
Chance of showers with vsby 1 nm or less.
.WED NIGHT...W to SW winds 5 to 15 kt, becoming E 15 to 25 kt.
Seas 4 to 7 ft. Chance of showers and tstms, then chance of
rain.
.THU...E to NE winds 15 to 25 kt. Seas 4 to 7 ft. Chance of rain
with vsby 1 nm or less.
.THU NIGHT...E winds 10 to 20 kt, becoming S to SE 5 to 10 kt.
Seas 3 to 6 ft.
.FRI...SW winds 10 to 15 kt, becoming S to SW 15 to 25 kt. Seas
3 to 6 ft.
.FRI NIGHT...SW winds 15 to 25 kt. Seas 5 to 7 ft.
.SAT...SW winds 10 to 15 kt, becoming E to NE. Seas 4 to 6 ft.
.SAT NIGHT...S to SE winds 10 to 20 kt. Seas 4 to 6 ft.
.SUN...S to SW winds 20 to 30 kt. Seas 6 to 9 ft.
.SUN NIGHT...SW winds 15 to 25 kt, becoming W 15 to 20 kt. Seas
6 to 9 ft.

$$

.Forecaster Kells. Ocean Prediction Center.