Offshore Forecast
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663
FZNT33 KWBC 172043
OFFN31

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
443 PM EDT Tue Jun 17 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 high pressure ridge over the
extending over the area tonight will persist into Wed. Weak low
pressure along a front S of the region will pass SE of Georges
Bank tonight. A warm front will lift NE over the waters Wed
through early Thu, followed by a cold front approaching the coast
from the W late Thu. The cold front will move through the area
Thu night through Fri. A secondary cold front or low pressure
trough will move SE over the waters Fri night as high pressure
moves E over New England waters. High pressure will move E over
the waters and pass E of the area Sat and Sat night. A trough
will move SE over the area Sat night.

Please see
https://www.weather.gov/media/notification/pdf_2025/
pns25-33_vobra_discontinuation_2025.pdf (all lower case)
for a proposal to discontinue this product.

Gulf of Maine to the Hague Line

.TONIGHT...SE winds 5 to 10 kt, becoming S to SE 10 to 15 kt.
Seas 3 to 4 ft.
.WED...S winds 5 to 15 kt. Seas 3 to 4 ft. Areas of fog and
chance of rain with vsby 1 nm or less.
.WED NIGHT...S winds 10 to 15 kt. Seas 3 to 4 ft. Areas of fog
with vsby 1 nm or less.
.THU...S to SW winds 5 to 15 kt, becoming S 10 to 20 kt. Seas
3 to 5 ft. Areas of fog with vsby 1 nm or less.
.THU NIGHT...SW winds 15 to 25 kt. Seas 4 to 7 ft.
.FRI...W to SW winds 10 to 20 kt, becoming W 5 to 15 kt. Seas
4 to 7 ft.
.FRI NIGHT...W to NW winds less than 10 kt. Seas 3 to 6 ft.
.SAT...Variable winds less than 5 kt, becoming S. Seas 3 to
4 ft.
.SAT NIGHT...S winds 10 to 15 kt, becoming SW 15 to 20 kt. Seas
3 to 5 ft.
.SUN...SW winds 10 to 20 kt. Seas 3 to 6 ft.
.SUN NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft.

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

.TONIGHT...E to SE winds 5 to 15 kt. Seas 3 to 5 ft. Areas of
fog with vsby 1 nm or less.
.WED...S to SE winds 5 to 15 kt, becoming S to SW. Seas 3 to
4 ft. Areas of fog with vsby 1 nm or less.
.WED NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. Areas of fog
with vsby 1 nm or less.
.THU...SW winds 10 to 15 kt, increasing to 15 to 20 kt. Seas
3 to 6 ft. Areas of fog with vsby 1 nm or less.
.THU NIGHT...SW winds 15 to 25 kt. Seas 5 to 8 ft.
.FRI...W to SW winds 10 to 20 kt, becoming W 5 to 15 kt. Seas
4 to 8 ft.
.FRI NIGHT...W winds 5 to 10 kt. Seas 3 to 6 ft.
.SAT...Variable winds less than 5 kt, becoming S to SW. Seas
3 to 5 ft.
.SAT NIGHT...S to SW winds 5 to 15 kt, becoming SW 10 to 20 kt.
Seas 3 to 4 ft.
.SUN...SW winds 10 to 20 kt. Seas 3 to 5 ft.
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 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...E to SE winds 5 to 10 kt, becoming S. Seas 3 to 5 ft.
Areas of fog with vsby 1 nm or less.
.WED...S to SW winds 5 to 15 kt. Seas 3 to 4 ft. Areas of fog
with vsby 1 nm or less.
.WED NIGHT...S to SW winds 10 to 15 kt. Seas 3 to 5 ft. Areas of
fog with vsby 1 nm or less.
.THU...SW winds 10 to 15 kt, increasing to 15 to 20 kt. Seas
4 to 7 ft. Areas of fog with vsby 1 nm or less.
.THU NIGHT...W to SW winds 15 to 25 kt. Seas 4 to 8 ft.
.FRI...W winds 5 to 15 kt. Seas 4 to 8 ft.
.FRI NIGHT...W to SW winds 5 to 15 kt, becoming W 5 to 10 kt.
Seas 3 to 6 ft.
.SAT...W winds less than 10 kt, becoming SW. Seas 3 to 4 ft.
.SAT NIGHT...SW winds 5 to 15 kt. Seas 3 to 4 ft.
.SUN...SW winds 10 to 15 kt, increasing to 15 to 20 kt. Seas
3 to 4 ft.
.SUN NIGHT...SW winds 10 to 20 kt, becoming W to SW 10 to 15 kt.
Seas 3 to 4 ft.

.Forecaster Folmer. Ocean Prediction Center.