FZNT21 KWBC 202104
OFFNT1

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
504 PM EDT Tue Oct 20 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.

ANZ898-210915-
504 PM EDT Tue Oct 20 2026

.SYNOPSIS FOR NEW ENGLAND WATERS...Tonight through Wed night, 
the waters will be between the strong low to the S stalling 
offshore of the mid-Atlantic coast, and high pressure over the 
Great Lakes and SE Canada. The low will begin moving slowly NE 
Thu and continue to do so through the weekend, while high 
pressure builds over the waters from the W later Thu night 
into Sat. The high will then remain over the region Sat night
through Sun night. Mariners should continue to monitor the 
latest high seas, offshore, coastal, and tropical forecasts on 
the low pressure system, executing avoidance as needed for any 
voyages planned especially to the south of the area. 

$$

ANZ800-210915-
Gulf of Maine to the Hague Line-
504 PM EDT Tue Oct 20 2026

...GALE FORCE WINDS POSSIBLE THU NIGHT...

.TONIGHT...N winds 20 to 25 kt, becoming NE. Seas 6 to 9 ft. 
.WED...NE winds 15 to 25 kt. Seas 6 to 10 ft. 
.WED NIGHT...NE winds 15 to 25 kt. Seas 6 to 10 ft. Chance of
rain, then showers. 
.THU...NE winds 20 to 30 kt, becoming N 25 to 30 kt. Seas 7 to
11 ft. Rain.
.THU NIGHT...N winds 25 to 35 kt. Seas 9 to 14 ft.
.FRI...N winds 30 to 35 kt, diminishing to 20 to 30 kt. Seas
7 to 13 ft. 
.FRI NIGHT...N winds 20 to 30 kt, becoming N to NE 5 to 15 kt.
Seas 6 to 10 ft. 
.SAT...NW winds 10 to 15 kt, becoming W. Seas 4 to 7 ft. 
.SAT NIGHT...W winds 10 to 15 kt, diminishing to 5 to 10 kt.
Seas 3 to 5 ft. 
.SUN...W winds less than 10 kt. Seas 3 to 4 ft. 
.SUN NIGHT...SW winds 10 to 15 kt. Seas 3 to 4 ft. 

$$

ANZ805-210915-
Georges Bank between Cape Cod and 68W north of 1000 FM-
504 PM EDT Tue Oct 20 2026

...GALE WARNING...

.TONIGHT...NE winds 30 to 40 kt. Seas 9 to 16 ft. Chance of
rain. 
.WED...NE winds 30 to 40 kt. Seas 10 to 17 ft. Rain.
.WED NIGHT...NE winds 25 to 35 kt. Seas 10 to 16 ft. Rain.
.THU...NE winds 30 to 40 kt, becoming N 35 to 45 kt. Seas 12 to
20 ft. Rain.
.THU NIGHT...N winds 35 to 45 kt. Seas 12 to 20 ft. 
.FRI...N winds 30 to 35 kt, diminishing to 25 to 30 kt. Seas
9 to 16 ft. 
.FRI NIGHT...N to NE winds 20 to 30 kt. Seas 7 to 12 ft. 
.SAT...N to NE winds 10 to 15 kt, becoming N 5 to 10 kt. Seas
5 to 9 ft. 
.SAT NIGHT...W to NW winds 5 to 10 kt. Seas 4 to 7 ft. 
.SUN...W to NW winds less than 10 kt. Seas 3 to 6 ft. 
.SUN NIGHT...SW winds 5 to 15 kt, becoming W 10 to 15 kt. Seas
3 to 4 ft. 

$$

ANZ900-210915-
Georges Bank between 68W and the Hague Line-
504 PM EDT Tue Oct 20 2026

...GALE WARNING...

.TONIGHT...NE winds 30 to 40 kt. Seas 9 to 15 ft. Chance of
rain. 
.WED...NE winds 25 to 35 kt. Seas 10 to 15 ft. Chance of rain. 
.WED NIGHT...E to NE winds 20 to 30 kt. Seas 9 to 14 ft. Chance
of rain. 
.THU...N to NE winds 35 to 45 kt. Seas 9 to 14 ft, building to
12 to 20 ft. Scattered showers and tstms, then rain. 
.THU NIGHT...N winds 35 to 45 kt. Seas 12 to 21 ft. 
.FRI...N winds 30 to 35 kt, diminishing to 25 to 30 kt. Seas
10 to 17 ft. 
.FRI NIGHT...N winds 20 to 30 kt, becoming NE 15 to 25 kt. Seas
7 to 13 ft. 
.SAT...N winds 10 to 15 kt, becoming N to NW 5 to 10 kt. Seas
6 to 10 ft. 
.SAT NIGHT...W to NW winds 5 to 10 kt. Seas 5 to 9 ft. 
.SUN...W to NW winds less than 10 kt. Seas 4 to 7 ft. 
.SUN NIGHT...W to SW winds 5 to 10 kt, increasing to 10 to
15 kt. Seas 3 to 5 ft. 

$$

ANZ810-210915-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
504 PM EDT Tue Oct 20 2026

...GALE WARNING...

.TONIGHT...NE winds 35 to 45 kt. Seas 12 to 18 ft. Chance of
rain. 
.WED...NE winds 35 to 45 kt. Seas 15 to 19 ft. Chance of rain. 
.WED NIGHT...N to NE winds 35 to 45 kt. Seas 13 to 19 ft.
Scattered showers and tstms, then rain. 
.THU...N winds 35 to 45 kt. Seas 13 to 20 ft. Rain.
.THU NIGHT...N winds 35 to 45 kt. Seas 11 to 19 ft. 
.FRI...N winds 25 to 30 kt. Seas 9 to 15 ft. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 12 ft. 
.SAT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas
5 to 8 ft. 
.SAT NIGHT...Variable winds less than 5 kt, becoming NW. Seas
4 to 7 ft. 
.SUN...Variable winds less than 5 kt, becoming W. Seas 4 to
6 ft. 
.SUN NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt. Seas
3 to 5 ft. 

$$

ANZ815-210915-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
504 PM EDT Tue Oct 20 2026

...GALE WARNING...

.TONIGHT...NE winds 35 to 45 kt. Seas 13 to 18 ft. Slight chance
of rain. 
.WED...NE winds 35 to 45 kt. Seas 16 to 19 ft. Rain.
.WED NIGHT...NE winds 35 to 45 kt, becoming N. Seas 15 to 20 ft.
Rain.
.THU...N winds 35 to 45 kt. Seas 11 to 19 ft. Chance of rain. 
.THU NIGHT...N winds 20 to 30 kt. Seas 9 to 14 ft.
.FRI...N to NE winds 20 to 30 kt. Seas 7 to 12 ft. 
.FRI NIGHT...NE winds 15 to 25 kt, diminishing to 10 to 15 kt.
Seas 6 to 9 ft. 
.SAT...NE winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas
5 to 7 ft. 
.SAT NIGHT...Variable winds less than 5 kt, becoming NW. Seas
4 to 6 ft. 
.SUN...W to NW winds less than 10 kt. Seas 4 to 5 ft. 
.SUN NIGHT...W winds 5 to 10 kt, increasing to 10 to 15 kt. Seas
3 to 4 ft. 

$$

.Forecaster Holley. Ocean Prediction Center.

FZNT22 KWBC 202108
OFFNT2

Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
508 PM EDT Tue Oct 20 2026

West central North Atlantic continental shelf and slope waters
beyond 60 nm to 250 nm offshore, including south of Georges Bank
from 1000 fm to 250 nm offshore.

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.

ANZ899-210915-
508 PM EDT Tue Oct 20 2026

.SYNOPSIS FOR MID ATLC WATERS...Tonight through Wed night, 
strong low pressure will meander off of the mid-Atlantic coast. 
Mariners should monitor the latest high seas, offshore, coastal, 
and tropical forecasts on the low pressure system, and have 
avoidance plans in place. The low should finally start to move NE
Thu, then pass E of the area Thu night into the weekend. High 
pressure over the SW portions, will build into the rest of the
area Thu night into Sat, then remain in the region through Sun
night.

$$

ANZ820-210915-
Hudson Canyon to Baltimore Canyon to 1000 FM-
508 PM EDT Tue Oct 20 2026

...GALE WARNING...

.TONIGHT...N to NE winds 30 to 40 kt. Seas 13 to 18 ft. Slight
chance of rain. 
.WED...N to NE winds 35 to 45 kt. Seas 16 to 19 ft. Rain.
.WED NIGHT...N winds 35 to 45 kt. Seas 14 to 19 ft. Rain.
.THU...N winds 30 to 40 kt, diminishing to 20 to 30 kt. Seas
11 to 18 ft. 
.THU NIGHT...N to NE winds 20 to 25 kt. Seas 9 to 12 ft. 
.FRI...NE winds 15 to 25 kt. Seas 8 to 11 ft. 
.FRI NIGHT...NE winds 15 to 20 kt. Seas 6 to 8 ft. 
.SAT...NE winds 5 to 15 kt. Seas 5 to 7 ft. 
.SAT NIGHT...E to NE winds 5 to 15 kt, becoming N to NE 5 to
10 kt. Seas 4 to 6 ft. 
.SUN...N to NE winds 5 to 10 kt, becoming variable. Seas 4 to
5 ft. 
.SUN NIGHT...Variable winds less than 5 kt, becoming W. Seas
3 to 5 ft. 

$$

ANZ915-210915-
Between 1000FM and 38.5 N west of 69 W-
508 PM EDT Tue Oct 20 2026

...STORM WARNING...

.TONIGHT...NE winds 35 to 45 kt. Seas 14 to 22 ft. Chance of
rain. 
.WED...NE winds 35 to 50 kt. Seas 15 to 22 ft. Rain.
.WED NIGHT...NE winds 35 to 45 kt, becoming N. Seas 14 to 24 ft.
Rain.
.THU...N winds 40 to 50 kt. Seas 14 to 24 ft. Scattered showers
and tstms. 
.THU NIGHT...N winds 35 to 45 kt. Seas 13 to 22 ft. 
.FRI...N winds 20 to 30 kt. Seas 9 to 16 ft. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 13 ft. 
.SAT...NE winds 10 to 20 kt, becoming 10 to 15 kt. Seas 6 to
10 ft. 
.SAT NIGHT...NE winds 5 to 10 kt, becoming N. Seas 5 to 8 ft. 
.SUN...N to NE winds 5 to 10 kt, becoming N to NW. Seas 4 to
7 ft. 
.SUN NIGHT...Variable winds less than 5 kt, becoming W. Seas
4 to 6 ft. 

$$

ANZ920-210915-
Baltimore Canyon to 69W east of 1000 FM and south of 38.5N to
250 NM offshore-
508 PM EDT Tue Oct 20 2026

...STORM WARNING...

.TONIGHT...N to NE winds 35 to 45 kt, increasing to 40 to 55 kt.
Seas 14 to 26 ft. Rain.
.WED...N to NE winds 40 to 50 kt. Seas 14 to 26 ft. Showers and
tstms, then rain. 
.WED NIGHT...N winds 40 to 50 kt, diminishing to 35 to 45 kt.
Seas 13 to 28 ft. Rain.
.THU...N to NW winds 40 to 50 kt. Seas 15 to 28 ft. Scattered
showers and tstms. Chance of rain. 
.THU NIGHT...N winds 35 to 45 kt. Seas 15 to 25 ft. 
.FRI...N to NE winds 20 to 30 kt. Seas 11 to 18 ft. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 13 ft. 
.SAT...NE winds 15 to 20 kt. Seas 6 to 11 ft. 
.SAT NIGHT...E winds 10 to 20 kt, becoming NE. Seas 6 to 10 ft. 
.SUN...NE winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
5 to 9 ft. 
.SUN NIGHT...NE winds 5 to 15 kt, becoming N to NE 5 to 10 kt.
Seas 4 to 8 ft. 

$$

ANZ905-210915-
East of 69W to the Hague Line between 1000 FM and 39N-
508 PM EDT Tue Oct 20 2026

...STORM WARNING...

.TONIGHT...NE winds 35 to 45 kt. Seas 11 to 19 ft. Rain.
.WED...E to NE winds 30 to 40 kt. Seas 11 to 19 ft. Scattered
showers and tstms. 
.WED NIGHT...E to NE winds 20 to 30 kt, becoming S to SE 15 to
25 kt. Seas 10 to 18 ft. Scattered showers and tstms. 
.THU...N to NE winds 30 to 40 kt, becoming N 40 to 50 kt. Seas
13 to 23 ft. Scattered showers and tstms. 
.THU NIGHT...N winds 40 to 55 kt. Seas 16 to 26 ft. 
.FRI...N winds 30 to 40 kt, diminishing to 25 to 30 kt. Seas
13 to 22 ft. 
.FRI NIGHT...N to NE winds 20 to 30 kt. Seas 9 to 15 ft. 
.SAT...N to NE winds 15 to 25 kt. Seas 8 to 13 ft. 
.SAT NIGHT...N winds 5 to 10 kt, becoming 5 to 15 kt. Seas 6 to
10 ft. 
.SUN...N to NW winds 5 to 10 kt. Seas 5 to 8 ft. 
.SUN NIGHT...Variable winds less than 5 kt, becoming W. Seas
3 to 6 ft. 

$$

ANZ910-210915-
East of 69W and south of 39N to 250 NM offshore-
508 PM EDT Tue Oct 20 2026

...STORM WARNING...

.TONIGHT...E to NE winds 35 to 45 kt. Seas 12 to 20 ft. Rain.
.WED...E to NE winds 30 to 40 kt, becoming S to SE 25 to 35 kt.
Seas 11 to 19 ft. Tstms and scattered showers. 
.WED NIGHT...S to SE winds 35 to 45 kt. Seas 13 to 22 ft.
Scattered showers and tstms. 
.THU...S to SW winds 35 to 45 kt, becoming N to NW 45 to 55 kt.
Seas 15 to 25 ft. Scattered showers and tstms, then rain. 
.THU NIGHT...N to NW winds 40 to 55 kt. Seas 18 to 28 ft. 
.FRI...N winds 25 to 35 kt, becoming 25 to 30 kt. Seas 13 to
22 ft. 
.FRI NIGHT...N to NE winds 20 to 25 kt. Seas 10 to 15 ft. 
.SAT...NE winds 15 to 25 kt. Seas 9 to 13 ft. 
.SAT NIGHT...NE winds 10 to 20 kt, becoming 10 to 15 kt. Seas
7 to 10 ft. 
.SUN...NE winds 5 to 15 kt. Seas 6 to 9 ft. 
.SUN NIGHT...NE winds 5 to 15 kt, becoming N to NE. Seas 5 to
8 ft. 

$$

ANZ825-210915-
Baltimore Canyon to Cape Charles Light to 100 NM offshore-
508 PM EDT Tue Oct 20 2026

...GALE WARNING...

.TONIGHT...N winds 30 to 35 kt. Seas 14 to 19 ft. Slight chance
of rain. 
.WED...N winds 30 to 40 kt. Seas 16 to 20 ft. Rain.
.WED NIGHT...N winds 25 to 35 kt. Seas 13 to 19 ft. Rain.
.THU...N winds 20 to 30 kt, diminishing to 15 to 20 kt. Seas
10 to 16 ft. 
.THU NIGHT...N winds 15 to 25 kt. Seas 8 to 11 ft.
.FRI...NE winds 15 to 20 kt. Seas 8 to 10 ft. 
.FRI NIGHT...NE winds 15 to 20 kt. Seas 7 to 10 ft. 
.SAT...NE winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
6 to 9 ft. 
.SAT NIGHT...E winds 10 to 15 kt, becoming NE. Seas 5 to 8 ft. 
.SUN...NE winds 10 to 15 kt. Seas 5 to 8 ft. 
.SUN NIGHT...NE winds 5 to 15 kt, becoming 5 to 10 kt. Seas 5 to
8 ft. 

$$

ANZ828-210915-
Cape Charles Light to Currituck Beach Light to 100 NM offshore-
508 PM EDT Tue Oct 20 2026

...GALE WARNING...

.TONIGHT...N winds 30 to 35 kt. Seas 15 to 21 ft. Chance of rain
early. 
.WED...N winds 30 to 35 kt. Seas 16 to 20 ft. Rain.
.WED NIGHT...N winds 25 to 35 kt, diminishing to 20 to 30 kt.
Seas 14 to 21 ft. Rain.
.THU...N winds 20 to 25 kt. Seas 10 to 17 ft. 
.THU NIGHT...N winds 15 to 25 kt. Seas 8 to 14 ft.
.FRI...NE winds 15 to 20 kt. Seas 8 to 11 ft. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 8 to 11 ft. 
.SAT...NE winds 15 to 20 kt. Seas 7 to 10 ft. 
.SAT NIGHT...E to NE winds 15 to 25 kt. Seas 7 to 9 ft. 
.SUN...NE winds 15 to 20 kt. Seas 7 to 10 ft. 
.SUN NIGHT...E to NE winds 15 to 20 kt, becoming NE 10 to 15 kt.
Seas 7 to 10 ft. 

$$

ANZ925-210915-
Baltimore Canyon to Hatteras Canyon between 100 NM and 250 NM
offshore-
508 PM EDT Tue Oct 20 2026

...STORM WARNING...

.TONIGHT...N winds 35 to 45 kt, increasing to 40 to 55 kt. Seas
15 to 25 ft. Rain.
.WED...N to NW winds 40 to 55 kt. Seas 15 to 26 ft. Rain.
.WED NIGHT...N to NW winds 35 to 45 kt. Seas 14 to 27 ft. Rain.
Scattered tstms. 
.THU...NW winds 30 to 40 kt. Seas 14 to 24 ft. Chance of rain. 
.THU NIGHT...N winds 20 to 30 kt. Seas 10 to 17 ft. 
.FRI...N to NE winds 15 to 25 kt. Seas 9 to 15 ft. 
.FRI NIGHT...NE winds 15 to 25 kt. Seas 7 to 13 ft. 
.SAT...NE winds 15 to 25 kt. Seas 6 to 11 ft. 
.SAT NIGHT...E winds 20 to 30 kt, becoming NE 15 to 25 kt. Seas
6 to 11 ft. 
.SUN...NE winds 15 to 25 kt. Seas 7 to 12 ft. 
.SUN NIGHT...NE winds 15 to 25 kt. Seas 8 to 13 ft. 

$$

ANZ830-210915-
Currituck Beach Light to Cape Hatteras to 100 NM offshore-
508 PM EDT Tue Oct 20 2026

...GALE WARNING...

.TONIGHT...N winds 25 to 35 kt. Seas 15 to 21 ft. Chance of
rain. 
.WED...N winds 25 to 30 kt. Seas 15 to 19 ft. 
.WED NIGHT...N winds 25 to 30 kt, becoming NW 20 to 30 kt. Seas
15 to 21 ft. Rain.
.THU...NW winds 20 to 25 kt, becoming N 15 to 20 kt. Seas 12 to
17 ft. 
.THU NIGHT...N winds 15 to 20 kt. Seas 10 to 14 ft. 
.FRI...NE winds 10 to 15 kt, increasing to 15 to 25 kt. Seas
9 to 11 ft. 
.FRI NIGHT...E to NE winds 20 to 25 kt. Seas 10 to 11 ft. 
.SAT...E to NE winds 20 to 25 kt. Seas 9 to 11 ft. 
.SAT NIGHT...E winds 20 to 30 kt. Seas 9 to 10 ft. 
.SUN...E winds 20 to 25 kt, becoming NE. Seas 9 to 11 ft. 
.SUN NIGHT...E to NE winds 15 to 25 kt. Seas 9 to 11 ft. 

$$

ANZ833-210915-
Cape Hatteras to Cape Fear to 100 NM Offshore.-
508 PM EDT Tue Oct 20 2026

.TONIGHT...N winds 25 to 30 kt. Seas 12 to 19 ft. Chance of
rain. 
.WED...N winds 20 to 30 kt. Seas 12 to 17 ft. 
.WED NIGHT...N to NW winds 20 to 30 kt. Seas 13 to 20 ft. 
.THU...N to NW winds 15 to 20 kt. Seas 10 to 16 ft. 
.THU NIGHT...N to NE winds 15 to 20 kt. Seas 9 to 13 ft. 
.FRI...NE winds 15 to 25 kt. Seas 8 to 11 ft. 
.FRI NIGHT...E to NE winds 20 to 25 kt. Seas 9 to 11 ft. 
.SAT...NE winds 20 to 25 kt. Seas 10 to 11 ft. 
.SAT NIGHT...NE winds 25 to 30 kt, becoming E 20 to 25 kt. Seas
10 to 11 ft. 
.SUN...E winds 20 to 25 kt, becoming NE. Seas 10 to 13 ft. 
.SUN NIGHT...NE winds 15 to 25 kt. Seas 11 to 13 ft. 

$$

ANZ930-210915-
Hatteras Canyon to Cape Fear between 100 NM and 250 NM offshore-
508 PM EDT Tue Oct 20 2026

...GALE WARNING...

.TONIGHT...N winds 25 to 35 kt. Seas 12 to 21 ft. Rain likely. 
.WED...N to NW winds 20 to 30 kt. Seas 11 to 19 ft. 
.WED NIGHT...NW winds 20 to 30 kt. Seas 12 to 20 ft. 
.THU...NW winds 15 to 25 kt. Seas 10 to 17 ft. 
.THU NIGHT...N winds 10 to 20 kt. Seas 8 to 14 ft.
.FRI...NE winds 15 to 25 kt. Seas 8 to 11 ft. 
.FRI NIGHT...NE winds 20 to 25 kt. Seas 8 to 11 ft. 
.SAT...NE winds 20 to 25 kt. Seas 10 to 12 ft. 
.SAT NIGHT...E winds 20 to 30 kt. Seas 9 to 13 ft. 
.SUN...E winds 20 to 30 kt, becoming NE. Seas 9 to 14 ft. 
.SUN NIGHT...NE winds 20 to 30 kt. Seas 9 to 15 ft. 

$$

ANZ835-210915-
Cape Fear to 31N to 1000 FM-
508 PM EDT Tue Oct 20 2026

...GALE FORCE WINDS POSSIBLE SAT NIGHT...

.TONIGHT...N to NE winds 20 to 30 kt. Seas 10 to 17 ft. 
.WED...N winds 15 to 25 kt. Seas 8 to 14 ft. 
.WED NIGHT...N winds 15 to 25 kt, diminishing to 10 to 15 kt.
Seas 9 to 16 ft. 
.THU...N winds 10 to 15 kt. Seas 8 to 14 ft. 
.THU NIGHT...N winds 10 to 20 kt, becoming NE 10 to 15 kt. Seas
7 to 11 ft. 
.FRI...NE winds 15 to 25 kt. Seas 6 to 10 ft. 
.FRI NIGHT...E to NE winds 20 to 30 kt. Seas 6 to 11 ft. 
.SAT...E winds 20 to 30 kt, becoming NE 25 to 30 kt. Seas 8 to
13 ft. 
.SAT NIGHT...NE winds 30 to 35 kt, becoming E to NE 25 to 30 kt.
Seas 9 to 13 ft. 
.SUN...E to NE winds 25 to 30 kt. Seas 10 to 14 ft. 
.SUN NIGHT...NE winds 20 to 30 kt. Seas 11 to 15 ft. 

$$

ANZ935-210915-
Cape Fear to 31N east of 1000 FM to 250 NM offshore-
508 PM EDT Tue Oct 20 2026

.TONIGHT...N winds 20 to 30 kt. Seas 9 to 16 ft. Chance of rain.
.WED...N winds 15 to 25 kt. Seas 9 to 14 ft. 
.WED NIGHT...N winds 15 to 25 kt. Seas 10 to 16 ft. 
.THU...N to NW winds 10 to 15 kt. Seas 9 to 14 ft. 
.THU NIGHT...N winds 10 to 20 kt, becoming N to NE 10 to 15 kt.
Seas 7 to 12 ft. 
.FRI...NE winds 15 to 25 kt. Seas 7 to 11 ft. 
.FRI NIGHT...E to NE winds 20 to 30 kt. Seas 7 to 11 ft. 
.SAT...E to NE winds 20 to 30 kt. Seas 10 to 12 ft. 
.SAT NIGHT...E to NE winds 25 to 30 kt. Seas 10 to 13 ft. 
.SUN...E to NE winds 25 to 30 kt. Seas 12 to 15 ft. 
.SUN NIGHT...NE winds 20 to 30 kt. Seas 13 to 15 ft. 

$$

.Forecaster Holley. Ocean Prediction Center.

FZNT01 KWBC 202156
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
2230 UTC TUE OCT 20 2026 

CCODE/1:31:04:01:00/AOE/NWS/CCODE 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 

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. 

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE 
NATIONAL WEATHER SERVICE. EMAIL US AT 
VOSOPS@NOAA.GOV(LOWERCASE). 

FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH 
ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP 
(ALL LOWERCASE). 

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE 
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM). 

SECURITE 

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W 

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS 

SYNOPSIS VALID 1800 UTC OCT 20. 
24 HOUR FORECAST VALID 1800 UTC OCT 21. 
48 HOUR FORECAST VALID 1800 UTC OCT 22. 

.WARNINGS. 

...STORM WARNING... 
.LOW 36N69W 1000 MB MOVING NW 05 KT. WITHIN 240 NM W AND NW 
QUADRANTS WINDS 35 TO 45 KT. SEAS 4.5 TO 6.5 M. ELSEWHERE W OF A 
LINE FROM 32N68W TO 35N64W TO 44N57W WINDS 25 TO 40 KT. SEAS 2.5 
TO 5.5 M...HIGHEST W AND N OF LOW CENTER. 
.12 HOUR FORECAST LOW 36N70W 998 MB. WITHIN 180 NM NW SEMICIRCLE 
WINDS 40 TO 50 KT. SEAS 5.5 TO 7.5 M. 
.24 HOUR FORECAST LOW 36N71W 995 MB. WITHIN 180 NM W AND NW 
QUADRANTS WINDS 40 TO 50 KT. SEAS 5.5 TO 7.5 M. ELSEWHERE W OF A 
LINE FROM 33N68W TO 39N63W TO 43N56W WINDS 25 TO 40 KT. SEAS 2.5 
TO 6 M...HIGHEST W AND NW OF LOW. 
.48 HOUR FORECAST LOW 38N68W 986 MB. WITHIN 180 NM W QUADRANT 
WINDS 40 TO 50 KT. SEAS 5 TO 6 M. ELSEWHERE NW OF A LINE FROM 
32N67W TO 38N62W TO 45N60W WINDS 25 TO 40 KT. SEAS 2.5 TO 6 
M...HIGHEST NEAR LOW.

...STORM WARNING... 
.COMPLEX LOW WITH FIRST CENTER 64N37W 986 MB MOVING SE 05 KT AND 
SECOND CENTER 56N43W 1001 MB MOVING NE 25 KT. N OF 46N E OF 50W 
WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M...HIGHEST NEAR 53N35W. ALSO 
WITHIN 600 NM N OF A LINE FROM 52N50W TO 55N59W TO 60N65W WINDS 
20 TO 30 KT. SEAS TO 3.5 M.
.12 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 61N36W 987 MB 
AND SECOND CENTER E OF AREA NEAR 62N29W 989 MB. FROM 58N TO 60N 
BETWEEN 38W AND 45W WINDS 40 TO 50 KT. SEAS 4 TO 6.5 M. 
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 63N35W 983 MB. N 
OF 64N E OF 38W WINDS 40 TO 50 KT. SEAS 5 TO 6.5 M. ELSEWHERE E 
AND NE OF A LINE FROM 52N53W TO 60N55W WINDS 25 TO 40 KT. SEAS 3 
TO 6 M. 
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA NEAR 
59N27W 985 MB. FROM 51N TO 64N E OF 40W WINDS 25 TO 40 KT. SEAS 
3 TO 6.5 M...HIGHEST E. 

...GALE WARNING... 
.LOW 43N56W 1014 MB MOVING NE 40 KT. FROM 31N TO 44N BETWEEN 46W 
AND 56W WINDS TO 25 KT. SEAS TO 3 M. 
.18 HOUR FORECAST LOW 47N39W 1008 MB. FROM 40N TO 47N E OF 47W 
WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW E OF AREA NEAR 47N32W 1003 MB. FROM 41N TO 
49N E OF 43W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. 
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA. 

...GALE WARNING... 
.24 HOUR FORECAST LOW 66N60W 1007 MB. N OF 65N W OF 59W WINDS 20 
TO 30 KT. SEAS TO 2.5 M. 
.42 HOUR FORECAST LOW ABSORBED BY SECOND LOW 58N55W 997 MB. N OF 
58N W OF 51W WINDS 25 TO 40 KT. SEAS TO 3 M. 
.48 HOUR FORECAST LOW 58N55W 997 MB. N OF A LINE FROM 60N47W TO 
56N59W TO 61N65W WINDS 25 TO 40 KT. SEAS 2.5 TO 4 M. ELSEWHERE 
FROM 49N TO 59N BETWEEN 40W AND 59W WINDS 20 TO 30 KT. SEAS 2.5 
TO 4 M.

.SYNOPSIS AND FORECAST. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 64N E OF 
GREENLAND.
.24 HOUR FORECAST DENSE FOG N OF 61N E OF GREENLAND...AND FROM 
59N TO 62N W OF 52W. 
.48 HOUR FORECAST DENSE FOG FROM 55N TO 61N BETWEEN 42W AND 
57W...AND FROM 41N TO 46N BETWEEN 48W AND 64W. 

.LIGHT FREEZING SPRAY NW AND N OF A LINE FROM 62N65W TO 64N52W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF A LINE FROM 63N66W 
TO 61N49W. 
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF 64N E OF 
GREENLAND...N OF 60N WITHIN 60 NM W OF GREENLAND...AND N OF A 
LINE FROM 62N66W TO 66N60W. 

.FORECASTER KELLS. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA

SYNOPSIS VALID 1800 UTC TUE OCT 20.
24 HOUR FORECAST VALID 1800 UTC WED OCT 21.
48 HOUR FORECAST VALID 1800 UTC THU OCT 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC STATIONARY FRONT FROM 31N66W TO 25N71W AND TO 22N78W. 
WITHIN 31N66W TO 31N81W TO 24N82W TO 25N76W TO 21N69W TO 
31N69W...INCLUDING IN THE STRAITS OF FLORIDA AND IN ATLC 
EXPOSURES...WINDS 20 KT OR LESS...EXCEPT S OF 27N W OF 78W NE 
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M IN N TO NE SWELL N AND 
NE OF THE BAHAMAS AND 2.5 TO 3 M S OF 27N W OF 78W.
.24 HOUR FORECAST COLD FRONT FROM 31N65W TO 25N71W THEN 
DISSIPATING STATIONARY FRONT TO 22N76W. WITHIN 31N68W TO 31N81W 
TO 26N80W TO 25N77W TO 28N70W TO 31N68W WINDS 20 KT OR LESS. SEAS
2.5 TO 3 M IN N TO NE SWELL.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 31N64W TO 25N69W. 
WITHIN 31N67W TO 31N81W TO 28N80W TO 26N74W TO 28N72W TO 29N69W 
TO 31N67W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N TO NE SWELL.

.ATLC WITHIN 31N48W TO 31N54W TO 30N53W TO 30N49W TO 31N48W
WINDS 20 KT OR LESS. SEAS 2.5 M IN E TO SE SWELL.
.12 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.GULF OF AMERICA TROUGH FROM 30N94W TO 22N95W. WITHIN 27N88W TO 
29N90W TO 29N93W TO 29N96W TO 26N90W TO 26N87W TO 27N88W NE TO E 
WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.12 HOUR FORECAST TROUGH TO WEAKEN ALONG 95W S OF 26N. WINDS 20 
KT OR LESS. SEAS LESS THAN 2.5 M.

.GULF OF AMERICA TROUGH FROM 22N95W TO 18N94W. WITHIN 20N94W TO 
21N95W TO 21N96W TO 20N96W TO 19N96W TO 19N94W TO 
20N94W...INCLUDING
WITHIN 60 NM OF COAST OF VERACRUZ...NW TO N WINDS 20 TO 30 KT. 
SEAS 2.5 TO 3 M.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

$$
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.