Offshore Forecast
Issued by NWS

Home |  Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30
716
FZNT33 KWBC 020228
OFFN31

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
1028 PM EDT Tue Jul 1 2025

New England continental shelf and slope waters from 25 nm
offshore to the Hague Line, except to 1000 fm south of New
England.

Conditions given represent the highest within that period.

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.

.SYNOPSIS FOR NEW ENGLAND WATERS...A warm front is now located
just N of the area, with a surface low pressure trough expected
to develop and remain along and near the coast later tonight and
Wed. A cold front approaches from the NW Wed night, gradually
moving SE across the area Thu through Fri. Another trough lingers
over the waters behind the front Fri night through Sat as the
front weakens and stalls just S of the area. The front should
move back N as a weak warm front late Sat and Sat night as high
pressure builds N. The high continues over most of the area Sun
and Sun night with yet another surface trough remaining along the
coast.

Gulf of Maine to the Hague Line

.TONIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. Numerous
showers and isolated tstms with vsby 1 nm or less.
.WED...W to SW winds 10 to 20 kt. Seas 3 to 6 ft. Scattered
showers, fog and tstms with vsby 1 nm or less.
.WED NIGHT...SW winds 10 to 20 kt, diminishing to 5 to 15 kt.
Seas 3 to 5 ft. Areas of fog with vsby 1 nm or less.
.THU...SW winds less than 10 kt, becoming S to SW. Seas 3 to
5 ft. Areas of fog, slight chance of showers and tstms with vsby
1 nm or less.
.THU NIGHT...SW winds 5 to 15 kt, becoming W. Seas 3 to 5 ft.
.FRI...NW winds 5 to 15 kt, becoming W. Seas 3 to 5 ft.
.FRI NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 5 ft.
.SAT...W to NW winds 5 to 15 kt, becoming W to SW 10 to 20 kt.
Seas 3 to 4 ft.
.SAT NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft.
.SUN...SW winds 5 to 15 kt, increasing to 15 to 20 kt. Seas 3 to
5 ft.
.SUN NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft.

Georges Bank...from the Northeast Channel to the Great South
Channel including waters east of Cape Cod...to the Hague Line

.TONIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. Isolated
showers and tstms with vsby 1 nm or less.
.WED...SW winds 10 to 20 kt. Seas 4 to 7 ft. Scattered showers
and tstms with vsby 1 nm or less.
.WED NIGHT...SW winds 10 to 20 kt. Seas 4 to 7 ft. Chance of
showers and isolated tstms with vsby 1 nm or less.
.THU...SW winds 5 to 15 kt. Seas 3 to 6 ft. Scattered showers,
tstms and fog with vsby 1 nm or less.
.THU NIGHT...W to SW winds 10 to 15 kt. Seas 3 to 6 ft.
.FRI...W to NW winds 5 to 15 kt. Seas 3 to 6 ft.
.FRI NIGHT...W winds 5 to 15 kt, becoming W to NW 10 to 20 kt.
Seas 3 to 5 ft.
.SAT...W to NW winds 5 to 10 kt, becoming W 5 to 15 kt. Seas
3 to 4 ft.
.SAT NIGHT...W to SW winds 5 to 15 kt. Seas 3 to 4 ft.
.SUN...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to
4 ft.
.SUN NIGHT...SW winds 15 to 25 kt. Seas 3 to 6 ft.

South of New England...from the Great South Channel to Hudson
Canyon including the waters south of Marthas Vineyard and
Nantucket Island...out to 1000 fm

.TONIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft. Scattered
showers and tstms with vsby 1 nm or less.
.WED...SW winds 10 to 20 kt. Seas 4 to 7 ft. Numerous showers
and scattered tstms with vsby 1 nm or less.
.WED NIGHT...SW winds 10 to 15 kt, becoming W to SW 10 to 20 kt.
Seas 3 to 6 ft. Chance of showers and isolated tstms with vsby
1 nm or less.
.THU...W winds 5 to 10 kt, becoming SW 5 to 15 kt. Seas 3 to
6 ft. Areas of fog and chance of showers with vsby 1 nm or less.
.THU NIGHT...W to SW winds 10 to 15 kt, becoming W to NW. Seas
3 to 5 ft.
.FRI...W to NW winds 5 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 4 ft.
.SAT...N to NE winds 5 to 10 kt, becoming variable. Seas 3 to
4 ft.
.SAT NIGHT...S winds 5 to 15 kt, becoming SW 5 to 10 kt. Seas
3 to 4 ft.
.SUN...SW winds 5 to 15 kt, becoming S to SW 10 to 20 kt. Seas
3 to 5 ft.
.SUN NIGHT...SW winds 10 to 20 kt. Seas 3 to 4 ft.

.Forecaster Mills. Ocean Prediction Center.