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New England Continental Shelf
FZNT21 KWBC 170822
OFFNT1
Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
422 AM EDT Fri Apr 17 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.
ANZ898-172000-
422 AM EDT Fri Apr 17 2026
.SYNOPSIS FOR NEW ENGLAND WATERS...A cold front will move S over
the area today and tonight. A high pressure ridge will build S
across the region tonight into Sat, then weaken Sat night. A
warm front will lift N over the area Sat night into Sun. A strong
cold front will move offshore Sun, then pass E of the waters Sun
night. A secondary cold front will cross the area Mon, then pass
E of the waters Mon night. Another ridge will build E into the
region Mon night and Tue, then shift E of the waters Tue night as
another cold front approaches from the W.
$$
ANZ800-172000-
Gulf of Maine to the Hague Line-
422 AM EDT Fri Apr 17 2026
.TODAY...SW winds 5 to 15 kt, becoming N to NW 5 to 10 kt, then,
becoming NE 5 to 15 kt. Seas 3 to 5 ft. Chance of showers. Areas
of fog with vsby 1 nm or less.
.TONIGHT...NE winds 10 to 15 kt, becoming E 10 to 20 kt. Seas
4 to 5 ft. Chance of showers and tstms with vsby 1 nm or less.
.SAT...E winds 15 to 20 kt. Seas 3 to 6 ft. Scattered showers
and chance of tstms.
.SAT NIGHT...E to SE winds 10 to 20 kt, becoming S 5 to 10 kt.
Seas 4 to 6 ft. Scattered showers and chance of tstms. Areas of
fog with vsby 1 nm or less.
.SUN...S winds 10 to 15 kt, becoming 10 to 20 kt. Seas 4 to
5 ft.
.SUN NIGHT...W to NW winds 15 to 25 kt. Seas 4 to 7 ft.
.MON...W to NW winds 15 to 20 kt, becoming NW 10 to 15 kt. Seas
4 to 6 ft.
.MON NIGHT...NW winds 10 to 20 kt, becoming N 15 to 20 kt. Seas
3 to 5 ft.
.TUE...N to NW winds 10 to 20 kt, becoming NW 5 to 10 kt. Seas
3 to 5 ft.
.TUE NIGHT...S to SW winds 15 to 25 kt. Seas 3 to 5 ft.
$$
ANZ805-172000-
Georges Bank between Cape Cod and 68W north of 1000 FM-
422 AM EDT Fri Apr 17 2026
.TODAY...SW winds 10 to 20 kt, becoming N to NE 5 to 15 kt. Seas
4 to 7 ft. Chance of showers. Areas of fog with vsby 1 NM or
less.
.TONIGHT...NE winds 5 to 15 kt, becoming E to NE 10 to 20 kt.
Seas 4 to 6 ft. Scattered showers and chance of tstms with vsby
1 nm or less.
.SAT...E to NE winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 4 to 6 ft. Scattered showers and chance of tstms with vsby
1 nm or less.
.SAT NIGHT...E winds 5 to 15 kt, becoming SW 5 to 10 kt. Seas
3 to 6 ft. Scattered showers and chance of tstms. Areas of fog
with vsby 1 nm or less.
.SUN...S winds 10 to 15 kt, increasing to 15 to 20 kt. Seas 4 to
5 ft.
.SUN NIGHT...NW winds 15 to 25 kt. Seas 5 to 7 ft.
.MON...NW winds 15 to 20 kt. Seas 5 to 7 ft.
.MON NIGHT...NW winds 10 to 15 kt, becoming N 10 to 20 kt. Seas
4 to 6 ft.
.TUE...N to NW winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...W to SW winds 5 to 15 kt, becoming SW 15 to 20 kt.
Seas 3 to 4 ft.
$$
ANZ900-172000-
Georges Bank between 68W and the Hague Line-
422 AM EDT Fri Apr 17 2026
.TODAY...SW winds 15 to 20 kt, diminishing to 5 to 15 kt, then,
becoming variable. Seas 4 to 7 ft. Chance of showers. Areas of
fog with vsby 1 NM or less.
.TONIGHT...NE winds 5 to 15 kt, becoming E to NE 10 to 20 kt.
Seas 4 to 6 ft. Scattered showers and chance of tstms with vsby
1 nm or less.
.SAT...E to NE winds 10 to 20 kt. Seas 4 to 7 ft. Scattered
showers and chance of tstms with vsby 1 nm or less.
.SAT NIGHT...E to SE winds 5 to 15 kt, becoming SW 5 to 10 kt.
Seas 4 to 7 ft. Scattered showers and chance of tstms. Areas of
fog. Vsby 1 NM or less.
.SUN...S winds 10 to 15 kt, increasing to 15 to 20 kt. Seas 4 to
5 ft.
.SUN NIGHT...W to NW winds 15 to 25 kt. Seas 5 to 7 ft.
.MON...NW winds 15 to 20 kt. Seas 5 to 7 ft.
.MON NIGHT...NW winds 10 to 15 kt, becoming N. Seas 4 to 7 ft.
.TUE...N to NW winds 10 to 15 kt. Seas 4 to 5 ft.
.TUE NIGHT...W to NW winds 5 to 10 kt, becoming SW 10 to 20 kt.
Seas 3 to 5 ft.
$$
ANZ810-172000-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
422 AM EDT Fri Apr 17 2026
.TODAY...W to SW winds 10 to 20 kt, becoming W to NW 5 to 10 kt.
Seas 5 to 7 ft. Areas of fog. Scattered showers. Vsby 1 NM or
less.
.TONIGHT...N to NE winds 5 to 15 kt. Seas 4 to 6 ft. Scattered
showers and chance of tstms with vsby 1 nm or less.
.SAT...NE winds 5 to 10 kt. Seas 3 to 4 ft. Scattered showers
and chance of tstms with vsby 1 nm or less.
.SAT NIGHT...Variable winds less than 10 kt, becoming S. Seas
3 to 4 ft.
.SUN...S winds 10 to 20 kt, becoming W to NW 15 to 25 kt. Seas
3 to 6 ft.
.SUN NIGHT...NW winds 15 to 25 kt. Seas 5 to 7 ft.
.MON...NW winds 15 to 20 kt. Seas 5 to 7 ft.
.MON NIGHT...NW winds 15 to 20 kt, becoming N 10 to 15 kt. Seas
4 to 5 ft.
.TUE...N to NW winds 10 to 15 kt. Seas 3 to 5 ft.
.TUE NIGHT...SW winds 5 to 10 kt, increasing to 10 to 15 kt.
Seas 3 to 4 ft.
$$
ANZ815-172000-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
422 AM EDT Fri Apr 17 2026
.TODAY...SW winds 15 to 20 kt, becoming W 10 to 15 kt, then,
diminishing to 5 to 10 kt. Seas 4 to 7 ft. Areas of fog early,
then chance of showers. Vsby 1 NM or less.
.TONIGHT...N to NE winds 5 to 15 kt. Seas 3 to 5 ft. Scattered
showers and chance of tstms with vsby 1 nm or less.
.SAT...NE winds 5 to 10 kt. Seas 3 to 4 ft.
.SAT NIGHT...E to SE winds 5 to 10 kt, becoming S 10 to 15 kt.
Seas 3 to 4 ft. Areas of fog with vsby 1 nm or less.
.SUN...S winds 15 to 20 kt, becoming W to NW 15 to 25 kt. Seas
3 to 6 ft.
.SUN NIGHT...NW winds 15 to 25 kt. Seas 4 to 7 ft.
.MON...NW winds 15 to 20 kt. Seas 4 to 6 ft.
.MON NIGHT...NW winds 10 to 15 kt, becoming N. Seas 3 to 5 ft.
.TUE...N winds 10 to 15 kt, becoming N to NW 5 to 10 kt. Seas
3 to 5 ft.
.TUE NIGHT...S to SW winds 10 to 15 kt, increasing to 15 to
20 kt. Seas 3 to 5 ft.
$$
.Forecaster Collins. Ocean Prediction Center.
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