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Offshore Waters Forecast (New England)
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FZNT21 KWBC 192028
OFFNT1
Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
428 PM EDT Wed Aug 19 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.
ANZ898-200830-
428 PM EDT Wed Aug 19 2026
.SYNOPSIS FOR NEW ENGLAND WATERS...A weak high pressure ridge
over the region this evening will shift E of the region tonight.
A cold front will move slowly S across the waters Thu into Thu
night, then stall S of the area Fri and Fri night as weak low
pressure forms along the front. The front will then lift N across
the area as a warm front Sat into Sun as low pressure tracks NE
along the coast. Another cold front will move slowly E over the
waters Sun night into Mon night.
$$
ANZ800-200830-
Gulf of Maine to the Hague Line-
428 PM EDT Wed Aug 19 2026
.TONIGHT...SW winds 5 to 15 kt. Seas 4 to 6 ft. Areas of fog
with vsby 1 nm or less.
.THU...SW winds less than 10 kt. Seas 3 to 4 ft. Areas of fog
with vsby 1 nm or less.
.THU NIGHT...W to NW winds 5 to 15 kt, diminishing to less than
10 kt. Seas 3 to 4 ft. Areas of fog with vsby 1 nm or less.
.FRI...Variable winds 5 to 15 kt, becoming NE 5 to 10 kt. Seas
3 to 4 ft.
.FRI NIGHT...E to SE winds less than 10 kt. Seas 3 to 4 ft.
.SAT...E winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 3 to
4 ft.
.SAT NIGHT...S to SE winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN...S winds 5 to 15 kt. Seas 3 to 4 ft.
.SUN NIGHT...S winds 10 to 15 kt, becoming SW. Seas 3 to 4 ft.
.MON...SW winds 5 to 10 kt, increasing to 10 to 15 kt. Seas 3 to
5 ft.
.MON NIGHT...SW winds 10 to 15 kt, becoming W. Seas 3 to 4 ft.
$$
ANZ805-200830-
Georges Bank between Cape Cod and 68W north of 1000 FM-
428 PM EDT Wed Aug 19 2026
.TONIGHT...S winds 5 to 15 kt, becoming S to SW. Seas 3 to 5 ft.
Areas of fog with vsby 1 nm or less.
.THU...Variable winds less than 10 kt, becoming S to SW. Seas
3 to 4 ft. Areas of fog with vsby 1 nm or less.
.THU NIGHT...Variable winds 5 to 15 kt, becoming N to NW. Seas
3 to 4 ft. Areas of fog with vsby 1 nm or less.
.FRI...N to NE winds less than 10 kt, becoming variable. Seas
3 to 4 ft. Chance of rain with vsby 1 nm or less.
.FRI NIGHT...E winds 5 to 10 kt. Seas 3 to 4 ft.
.SAT...E winds 5 to 15 kt, becoming S to SE 10 to 15 kt. Seas
3 to 4 ft.
.SAT NIGHT...S to SE winds 10 to 15 kt, becoming S 10 to 20 kt.
Seas 3 to 5 ft.
.SUN...S to SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas
3 to 5 ft.
.SUN NIGHT...S to SW winds 10 to 15 kt. Seas 4 to 5 ft.
.MON...W to SW winds 10 to 15 kt, becoming W 5 to 10 kt. Seas
4 to 5 ft.
.MON NIGHT...W to SW winds 10 to 15 kt. Seas 4 to 5 ft.
$$
ANZ900-200830-
Georges Bank between 68W and the Hague Line-
428 PM EDT Wed Aug 19 2026
.TONIGHT...S to SW winds less than 10 kt, becoming S, then,
becoming 5 to 10 kt. Seas 3 to 5 ft. Areas of fog with vsby 1 nm
or less.
.THU...Variable winds less than 10 kt. Seas 3 to 4 ft. Areas of
fog with vsby 1 nm or less.
.THU NIGHT...Variable winds less than 5 kt, becoming N to NW.
Seas 3 to 4 ft. Areas of fog with vsby 1 nm or less.
.FRI...N winds less than 5 kt. Seas 3 to 4 ft. Areas of fog with
vsby 1 nm or less.
.FRI NIGHT...E to NE winds 5 to 10 kt. Seas 3 to 4 ft.
.SAT...E winds 5 to 10 kt, becoming S to SE 10 to 15 kt. Seas
3 to 4 ft.
.SAT NIGHT...S to SE winds 10 to 15 kt. Seas 3 to 4 ft.
.SUN...S winds 10 to 15 kt. Seas 4 to 5 ft.
.SUN NIGHT...S winds 10 to 15 kt, becoming SW. Seas 4 to 5 ft.
.MON...SW winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas
4 to 5 ft.
.MON NIGHT...W to SW winds 5 to 10 kt. Seas 4 to 5 ft.
$$
ANZ810-200830-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
428 PM EDT Wed Aug 19 2026
.TONIGHT...S winds 5 to 10 kt, becoming variable. Seas 3 to
4 ft.
.THU...Variable winds less than 5 kt, becoming W to SW. Seas
3 to 4 ft.
.THU NIGHT...N to NW winds 5 to 15 kt, becoming N to NE. Seas
3 to 4 ft. Scattered showers and tstms.
.FRI...E to NE winds less than 10 kt. Seas 3 to 4 ft. Chance of
rain.
.FRI NIGHT...E to SE winds 5 to 15 kt. Seas 3 to 4 ft.
.SAT...SE winds 5 to 15 kt, becoming S 10 to 15 kt. Seas 3 to
5 ft.
.SAT NIGHT...S winds 10 to 15 kt, becoming SW. Seas 4 to 5 ft.
.SUN...SW winds 10 to 15 kt, becoming 10 to 20 kt. Seas 4 to
5 ft.
.SUN NIGHT...W to SW winds 10 to 15 kt. Seas 4 to 5 ft.
.MON...W winds 5 to 10 kt. Seas 4 to 5 ft.
.MON NIGHT...W winds 10 to 15 kt. Seas 3 to 5 ft.
$$
ANZ815-200830-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
428 PM EDT Wed Aug 19 2026
.TONIGHT...S to SW winds less than 10 kt. Seas 3 to 4 ft.
.THU...W to SW winds less than 10 kt. Seas 3 to 4 ft. Scattered
tstms.
.THU NIGHT...N to NE winds 10 to 20 kt, becoming E to NE 5 to
15 kt. Seas 3 to 4 ft. Scattered showers and tstms.
.FRI...NE winds 5 to 15 kt, becoming E. Seas 3 to 4 ft. Chance
of rain.
.FRI NIGHT...E to SE winds 5 to 15 kt. Seas 3 to 4 ft.
.SAT...S to SE winds 5 to 15 kt. Seas 3 to 4 ft.
.SAT NIGHT...S to SW winds 5 to 15 kt. Seas 3 to 4 ft.
.SUN...SW winds less than 10 kt, increasing to 10 to 15 kt. Seas
3 to 4 ft.
.SUN NIGHT...SW winds 10 to 15 kt, becoming W. Seas 3 to 4 ft.
.MON...W winds 5 to 10 kt. Seas 3 to 4 ft.
.MON NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 3 to 4 ft.
$$
.Forecaster Kells. Ocean Prediction Center.