Hurricane Warnings in Effect

Pacific:  High Seas EP1 and EPI

High Frequency Voice Broadcast (New England)

[Printable Version]   [Alt Link/Previous Versions]

FZNT33 KWBC 120240
OFFN31

Marine Weather HF Voice Broadcast
NWS Ocean Prediction Center Washington DC
1040 PM EDT Tue Aug 11 2020

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.

.SYNOPSIS FOR NEW ENGLAND WATERS...High pressure will slowly
shift E of the waters tonight through Wed. A weak cold front will
slowly approach the coast tonight through Wed, move offshore Wed
night, then pass SE over the waters Thu into Thu night, and then
stall to the S of the region Fri into Sat night. Low pressure
will develop S of the waters off the Mid-Atlantic coast Fri
night, then slowly move ENE through Sat night while remaining S
of the region. The low will then move NE, while remaining E of
the area. High pressure will build S across the waters later Fri
through Sat night, then persist through Sun night.  

Gulf of Maine to the Hague Line

.TONIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft. Slight chance of
tstms. Areas of fog with vsby 1 nm or less. 
.WED...SW winds 10 to 15 kt. Seas 2 to 4 ft. Chance of showers,
tstms and areas of fog with vsby 1 nm or less. 
.WED NIGHT...SW winds 5 to 15 kt, becoming N. Seas 2 to 4 ft.
Scattered showers and tstms with vsby 1 nm or less. 
.THU...Variable winds less than 10 kt. Seas 2 to 4 ft. Areas of
fog with vsby 1 nm or less. 
.THU NIGHT...S to SW winds 5 to 10 kt, becoming variable. Seas
3 ft, becoming 2 ft or less. 
.FRI...E to NE winds less than 10 kt. Seas 2 ft or less. 
.FRI NIGHT...E winds less than 5 kt, becoming NE 5 to 15 kt.
Seas 2 ft or less, becoming 3 ft. 
.SAT...NE winds 10 to 20 kt. Seas 3 to 5 ft. 
.SAT NIGHT...NE winds 5 to 15 kt, becoming E to NE 10 to 20 kt.
Seas 3 to 6 ft. 
.SUN...E winds 10 to 20 kt, becoming NE. Seas 4 to 7 ft. 
.SUN NIGHT...E to NE winds 10 to 20 kt, becoming N to NE 5 to
15 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 5 to 15 kt. Seas 2 to 4 ft. Slight chance
of tstms.
.WED...S to SW winds 5 to 15 kt. Seas 2 to 4 ft. Chance of
showers and tstms. 
.WED NIGHT...SW winds 5 to 15 kt, diminishing to less than
10 kt. Seas 2 to 4 ft. Scattered showers and tstms with vsby
1 nm or less. 
.THU...W to SW winds less than 10 kt. Seas 2 to 4 ft. Chance of
showers, tstms and areas of fog with vsby 1 nm or less. 
.THU NIGHT...Variable winds less than 5 kt. Seas 2 to 4 ft. 
.FRI...Variable winds less than 10 kt, becoming E to NE. Seas
2 to 4 ft. 
.FRI NIGHT...NE winds 5 to 15 kt, 3increasing to 10 to 20 kt.
Seas 3 to 4 ft. 
.SAT...NE winds 15 to 25 kt. Seas building to 4 to 7 ft. 
.SAT NIGHT...NE winds 15 to 25 kt. Seas 5 to 9 ft. 
.SUN...NE winds 15 to 25 kt. Seas 6 to 9 ft. 
.SUN NIGHT...N to NE winds 10 to 20 kt. Seas 5 to 8 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...S to SW winds 10 to 15 kt. Seas 2 to 4 ft. Slight 
chance of tstms.
.WED...SW winds 5 to 10 kt. Seas 2 to 4 ft. Chance of showers
and tstms with vsby 1 nm or less. 
.WED NIGHT...SW winds 5 to 10 kt. Seas 2 to 4 ft. Scattered
showers and tstms with vsby 1 nm or less. 
.THU...Variable winds less than 10 kt. Seas 2 to 3 ft. Chance of
showers and tstms with vsby 1 nm or less. 
.THU NIGHT...Variable winds less than 10 kt. Seas 2 ft or less. 
.FRI...E to NE winds 5 to 15 kt. Seas 2 to 5 ft. 
.FRI NIGHT...E to NE winds 5 to 15 kt, becoming NE 10 to 20 kt.
Seas 3 to 6 ft. 
.SAT...NE winds 15 to 25 kt. Seas becoming 4 to 8 ft. 
.SAT NIGHT and SUN...NE winds 15 to 25 kt. Seas 6 to 10 ft. 
.SUN NIGHT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt.
Seas 5 to 8 ft. 

.Forecaster Mills. Ocean Prediction Center.