FZNT21 KWBC 211431
OFFNT1
Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1031 AM EDT Tue Apr 21 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.
ANZ898-220400-
1031 AM EDT Tue Apr 21 2026
.SYNOPSIS FOR NEW ENGLAND WATERS...High pressure will build E
over the region today and tonight, then shift E of the area Wed.
A warm front will extend E over the region Wed. Low pressure will
move across the S waters Wed and Wed night while pulling a cold
front across the area, followed by a secondary cold front Thu
into Thu night. High pressure will build across the region Fri
into Sat night as low pressure passes S of the area.
$$
ANZ800-220400-
Gulf of Maine to the Hague Line-
1031 AM EDT Tue Apr 21 2026
.TODAY...N winds 5 to 15 kt, diminishing to less than 10 kt.
Seas 3 to 4 ft.
.TONIGHT...W to SW winds less than 10 kt. Seas 3 to 4 ft.
.WED...S winds 5 to 15 kt. Seas 3 to 4 ft.
.WED NIGHT...S winds 5 to 15 kt. Seas 3 to 4 ft. Chance of rain.
.THU...S to SW winds less than 10 kt. Seas 3 to 4 ft.
.THU NIGHT...N winds 5 to 15 kt. Seas 3 to 4 ft.
.FRI...N winds 10 to 15 kt, becoming N to NW 5 to 10 kt. Seas
3 to 4 ft.
.FRI NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 5 ft.
.SAT...N to NW winds 5 to 15 kt. Seas 3 to 5 ft.
.SAT NIGHT...W to NW winds 5 to 10 kt. Seas 3 to 4 ft.
$$
ANZ805-220400-
Georges Bank between Cape Cod and 68W north of 1000 FM-
1031 AM EDT Tue Apr 21 2026
.TODAY...N to NE winds 5 to 15 kt. Seas 3 to 4 ft.
.TONIGHT...Variable winds 5 to 15 kt, diminishing to less than
10 kt. Seas 3 to 4 ft.
.WED...Variable winds 5 to 15 kt, becoming S. Seas 3 to 4 ft.
.WED NIGHT...S to SE winds 10 to 15 kt, becoming E to SE 5 to
15 kt. Seas 3 to 5 ft. Chance of rain.
.THU...E to NE winds 5 to 10 kt, becoming N to NW. Seas 3 to
5 ft.
.THU NIGHT...N to NW winds 5 to 15 kt. Seas 3 to 5 ft.
.FRI...N to NW winds 10 to 15 kt. Seas 3 to 4 ft.
.FRI NIGHT...N winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to
5 ft.
.SAT...N winds 10 to 15 kt, diminishing to 5 to 10 kt. Seas 3 to
5 ft.
.SAT NIGHT...N to NE winds 5 to 10 kt. Seas 3 to 5 ft.
$$
ANZ900-220400-
Georges Bank between 68W and the Hague Line-
1031 AM EDT Tue Apr 21 2026
.TODAY...NE winds 10 to 15 kt, becoming N 5 to 15 kt. Seas 3 to
4 ft.
.TONIGHT...N winds 5 to 15 kt, becoming N to NW 5 to 10 kt. Seas
3 to 4 ft.
.WED...Variable winds less than 10 kt, becoming S. Seas 3 to
4 ft.
.WED NIGHT...S to SE winds 5 to 15 kt. Seas 3 to 4 ft. Chance of
rain.
.THU...E winds 5 to 10 kt, becoming N to NE. Seas 3 to 4 ft.
.THU NIGHT...N winds 10 to 20 kt. Seas 3 to 6 ft.
.FRI...N to NW winds 5 to 15 kt. Seas 3 to 6 ft.
.FRI NIGHT...N winds 10 to 15 kt. Seas 3 to 6 ft.
.SAT...N winds 10 to 15 kt. Seas 4 to 6 ft.
.SAT NIGHT...N winds 5 to 10 kt. Seas 3 to 6 ft.
$$
ANZ810-220400-
South of New England between the Great South Channel and Montauk
Point to 1000 FM-
1031 AM EDT Tue Apr 21 2026
.TODAY...N winds 5 to 15 kt. Seas 3 to 4 ft.
.TONIGHT...N to NE winds less than 10 kt, becoming variable.
Seas 3 to 4 ft.
.WED...S winds 5 to 15 kt. Seas 3 to 4 ft. Chance of rain.
.WED NIGHT...SE winds 5 to 15 kt, becoming E to NE. Seas 4 to
5 ft. Chance of rain.
.THU...N to NE winds 5 to 10 kt, becoming W to NW 5 to 15 kt.
Seas 4 to 5 ft.
.THU NIGHT...W winds 5 to 15 kt, becoming N 5 to 10 kt. Seas
3 to 4 ft.
.FRI...NW winds 5 to 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...N winds 5 to 10 kt. Seas 3 to 4 ft.
.SAT...NE winds 5 to 10 kt. Seas 3 to 5 ft.
.SAT NIGHT...E to NE winds 10 to 15 kt. Seas 3 to 5 ft.
$$
ANZ815-220400-
South of Long Island between Montauk Point and Sandy Hook to
1000 FM-
1031 AM EDT Tue Apr 21 2026
.TODAY...N winds 10 to 15 kt, diminishing to less than 10 kt.
Seas 3 to 5 ft.
.TONIGHT...S winds less than 10 kt, increasing to 5 to 15 kt.
Seas 3 to 4 ft.
.WED...S winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
5 ft. Chance of rain.
.WED NIGHT...S to SE winds 5 to 10 kt, becoming N. Seas 4 to
5 ft.
.THU...N to NW winds 5 to 10 kt, becoming W 10 to 15 kt. Seas
3 to 5 ft.
.THU NIGHT...W winds 10 to 15 kt, becoming N to NE 5 to 10 kt.
Seas 3 to 4 ft.
.FRI...N to NE winds 5 to 10 kt, becoming N to NW. Seas 3 to
4 ft.
.FRI NIGHT...E winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to
4 ft.
.SAT...E winds 10 to 15 kt, becoming 10 to 20 kt. Seas 3 to
5 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 7 ft.
$$
.Forecaster Kells. Ocean Prediction Center.
Last Update: Tue, 21-Apr-2026 14:32:59 UTC
Updates: Four times per day
FZNT22 KWBC 211431
OFFNT2
Offshore Waters Forecast
NWS Ocean Prediction Center Washington DC
1031 AM EDT Tue Apr 21 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.
ANZ899-220400-
1031 AM EDT Tue Apr 21 2026
.SYNOPSIS FOR MID ATLC WATERS...A weak cold front will dissipate
over the waters today. High pressure will build E into the
region today and tonight, then move S across the S waters Wed
and Wed night before shifting S of the region Thu and Thu night
while maintaining a ridge across the far S waters through Sat
night. A warm front will extend E off the Mid-Atlantic coast Wed
and Wed night as low pressure tracks E along the boundary. The
low will pull a cold front over the region Wed through Thu night.
A secondary cold front will move S over the area Thu night and
Fri, before the front stalls over the central waters Fri night
through Sat night as low pressure tracks E along the boundary. A
high pressure ridge will build SE over the N portion Fri night
into Sat night.
$$
ANZ820-220400-
Hudson Canyon to Baltimore Canyon to 1000 FM-
1031 AM EDT Tue Apr 21 2026
.TODAY...N winds 10 to 15 kt, diminishing to less than 10 kt.
Seas 3 to 4 ft.
.TONIGHT...S winds less than 10 kt, increasing to 5 to 15 kt.
Seas 3 to 4 ft.
.WED...S to SW winds 10 to 20 kt. Seas 4 to 6 ft. Chance of
rain.
.WED NIGHT...W to NW winds 5 to 10 kt, becoming N. Seas 3 to
5 ft. Chance of showers.
.THU...N winds 5 to 10 kt, becoming W to NW. Seas 3 to 4 ft.
.THU NIGHT...N to NW winds 5 to 15 kt, becoming N to NE 10 to
15 kt. Seas 3 to 4 ft.
.FRI...E winds 5 to 10 kt. Seas 3 to 5 ft.
.FRI NIGHT...E winds 10 to 15 kt, becoming 10 to 20 kt. Seas
3 to 4 ft.
.SAT...E winds 15 to 25 kt. Seas 4 to 7 ft.
.SAT NIGHT...E winds 15 to 25 kt. Seas 5 to 8 ft.
$$
ANZ915-220400-
Between 1000FM and 38.5 N west of 69 W-
1031 AM EDT Tue Apr 21 2026
.TODAY...N winds 5 to 15 kt. Seas 3 to 5 ft.
.TONIGHT...N winds 5 to 15 kt, becoming variable. Seas 3 to
5 ft.
.WED...S winds 10 to 20 kt. Seas 3 to 5 ft. Chance of rain.
.WED NIGHT...S to SE winds 5 to 15 kt, becoming NW. Seas 4 to
6 ft. Chance of rain.
.THU...N to NW winds 5 to 15 kt. Seas 4 to 6 ft.
.THU NIGHT...W winds 5 to 15 kt, becoming N 5 to 10 kt. Seas
3 to 5 ft.
.FRI...N to NE winds 5 to 10 kt. Seas 3 to 4 ft.
.FRI NIGHT...N to NE winds 10 to 15 kt, becoming E to NE. Seas
3 to 4 ft.
.SAT...E to NE winds 10 to 20 kt. Seas 3 to 6 ft.
.SAT NIGHT...E winds 10 to 20 kt. Seas 4 to 8 ft.
$$
ANZ920-220400-
Baltimore Canyon to 69W east of 1000 FM and south of 38.5N to
250 NM offshore-
1031 AM EDT Tue Apr 21 2026
.TODAY...N winds 15 to 25 kt. Seas 5 to 9 ft. Slight chance of
rain.
.TONIGHT...N winds 5 to 15 kt. Seas 4 to 7 ft.
.WED...S winds 10 to 20 kt, becoming SW 15 to 25 kt. Seas 3 to
6 ft. Chance of rain.
.WED NIGHT...SW winds 20 to 30 kt, becoming W to NW. Seas 5 to
9 ft. Chance of showers.
.THU...NW winds 15 to 25 kt. Seas 4 to 8 ft.
.THU NIGHT...N to NW winds 10 to 20 kt. Seas 4 to 7 ft.
.FRI...N to NE winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to
5 ft.
.FRI NIGHT...N to NE winds 10 to 15 kt, becoming E to NE 10 to
20 kt. Seas 3 to 5 ft.
.SAT...E winds 15 to 25 kt. Seas 4 to 7 ft.
.SAT NIGHT...E winds 15 to 25 kt. Seas 5 to 8 ft.
$$
ANZ905-220400-
East of 69W to the Hague Line between 1000 FM and 39N-
1031 AM EDT Tue Apr 21 2026
.TODAY...NE winds 10 to 15 kt, becoming N. Seas 3 to 6 ft.
Slight chance of rain.
.TONIGHT...N winds 5 to 15 kt. Seas 3 to 6 ft.
.WED...N winds less than 10 kt, becoming variable. Seas 3 to
6 ft.
.WED NIGHT...SE winds 5 to 15 kt. Seas 3 to 5 ft. Chance of
rain.
.THU...E to NE winds 5 to 15 kt, becoming N to NW 10 to 20 kt.
Seas 3 to 6 ft.
.THU NIGHT...N to NW winds 15 to 25 kt. Seas 5 to 9 ft.
.FRI...NW winds 10 to 20 kt, becoming 10 to 15 kt. Seas 4 to
8 ft.
.FRI NIGHT...N winds 10 to 15 kt, becoming 10 to 20 kt. Seas
4 to 8 ft.
.SAT...N winds 10 to 15 kt, becoming N to NW 10 to 20 kt. Seas
4 to 8 ft.
.SAT NIGHT...N winds 10 to 15 kt, becoming N to NE 5 to 10 kt.
Seas 5 to 7 ft.
$$
ANZ910-220400-
East of 69W and south of 39N to 250 NM offshore-
1031 AM EDT Tue Apr 21 2026
...GALE WARNING...
.TODAY...N to NE winds 15 to 25 kt. Seas 4 to 7 ft. Chance of
showers and tstms.
.TONIGHT...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
4 to 6 ft.
.WED...N winds less than 10 kt, becoming variable. Seas 4 to
6 ft.
.WED NIGHT...S winds 10 to 20 kt, becoming SW 25 to 35 kt. Seas
5 to 9 ft. Chance of rain.
.THU...NW winds 15 to 25 kt. Seas 5 to 9 ft.
.THU NIGHT...N to NW winds 20 to 30 kt. Seas 5 to 9 ft.
.FRI...NW winds 10 to 20 kt, becoming N to NW 10 to 15 kt. Seas
4 to 8 ft.
.FRI NIGHT...N winds 10 to 20 kt, becoming 10 to 15 kt. Seas
4 to 8 ft.
.SAT...N to NE winds 10 to 15 kt. Seas 5 to 8 ft.
.SAT NIGHT...NE winds 10 to 15 kt, becoming E 5 to 15 kt. Seas
5 to 7 ft.
$$
ANZ825-220400-
Baltimore Canyon to Cape Charles Light to 100 NM offshore-
1031 AM EDT Tue Apr 21 2026
.TODAY...N winds 10 to 15 kt, diminishing to less than 10 kt.
Seas 3 to 5 ft.
.TONIGHT...SE winds less than 10 kt, becoming S. Seas 3 to 4 ft.
.WED...S to SW winds 10 to 20 kt. Seas 3 to 6 ft. Chance of
rain.
.WED NIGHT...W to SW winds 10 to 15 kt, becoming NW 5 to 10 kt.
Seas 3 to 5 ft. Chance of showers and tstms.
.THU...W to NW winds 5 to 10 kt, becoming N. Seas 3 to 4 ft.
.THU NIGHT...W to SW winds less than 10 kt. Seas 3 to 4 ft.
.FRI...E winds 5 to 10 kt, becoming 5 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...E winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT...E winds 15 to 25 kt. Seas 4 to 8 ft.
.SAT NIGHT...E winds 15 to 25 kt. Seas 5 to 7 ft.
$$
ANZ828-220400-
Cape Charles Light to Currituck Beach Light to 100 NM offshore-
1031 AM EDT Tue Apr 21 2026
.TODAY...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
4 to 7 ft.
.TONIGHT...N to NE winds 5 to 10 kt, becoming S 5 to 15 kt. Seas
3 to 5 ft.
.WED...SW winds 15 to 20 kt, increasing to 20 to 30 kt. Seas
3 to 6 ft.
.WED NIGHT...W to SW winds 20 to 30 kt, becoming W to NW 10 to
20 kt. Seas 4 to 7 ft. Chance of tstms. Chance of showers.
.THU...NW winds 5 to 15 kt, becoming 5 to 10 kt. Seas 3 to 6 ft.
.THU NIGHT...W to SW winds 5 to 10 kt, becoming S to SW. Seas
3 to 4 ft.
.FRI...W to SW winds 5 to 15 kt. Seas 3 to 5 ft.
.FRI NIGHT...E winds 5 to 15 kt, becoming S to SE 15 to 20 kt.
Seas 3 to 5 ft.
.SAT...S to SW winds 10 to 20 kt, becoming E 5 to 15 kt. Seas
4 to 6 ft.
.SAT NIGHT...W to SW winds 15 to 20 kt, becoming E 10 to 15 kt.
Seas 4 to 7 ft.
$$
ANZ925-220400-
Baltimore Canyon to Hatteras Canyon between 100 NM and 250 NM
offshore-
1031 AM EDT Tue Apr 21 2026
...GALE WARNING...
.TODAY...N winds 15 to 25 kt. Seas 5 to 9 ft.
.TONIGHT...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
4 to 8 ft.
.WED...SW winds 10 to 20 kt, increasing to 20 to 30 kt. Seas
4 to 7 ft.
.WED NIGHT...SW winds 20 to 30 kt, becoming W to SW 25 to 35 kt.
Seas 5 to 9 ft. Chance of showers and chance of tstms.
.THU...W to NW winds 15 to 25 kt. Seas 5 to 9 ft.
.THU NIGHT...W to NW winds 5 to 15 kt. Seas 3 to 6 ft.
.FRI...SW winds 5 to 15 kt, becoming W 10 to 20 kt. Seas 3 to
6 ft.
.FRI NIGHT...W to NW winds 10 to 20 kt, becoming E. Seas 4 to
7 ft.
.SAT...E winds 15 to 25 kt. Seas 5 to 8 ft.
.SAT NIGHT...E to SE winds 15 to 25 kt. Seas 5 to 8 ft.
$$
ANZ830-220400-
Currituck Beach Light to Cape Hatteras to 100 NM offshore-
1031 AM EDT Tue Apr 21 2026
.TODAY...N winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
5 to 7 ft.
.TONIGHT...N winds 5 to 10 kt, becoming variable. Seas 3 to
5 ft.
.WED...SW winds 15 to 25 kt. Seas 3 to 6 ft.
.WED NIGHT...SW winds 20 to 30 kt, becoming W 20 to 25 kt. Seas
5 to 8 ft. Chance of showers and tstms.
.THU...W to NW winds 10 to 20 kt, becoming NW 10 to 15 kt. Seas
4 to 7 ft.
.THU NIGHT...W to NW winds 5 to 15 kt, becoming W 10 to 20 kt.
Seas 3 to 5 ft.
.FRI...W winds 10 to 20 kt. Seas 3 to 6 ft.
.FRI NIGHT...W winds 10 to 20 kt. Seas 4 to 7 ft.
.SAT...W winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas 4 to
7 ft.
.SAT NIGHT...W to SW winds 15 to 20 kt. Seas 5 to 7 ft.
$$
ANZ833-220400-
Cape Hatteras to Cape Fear to 100 NM Offshore.-
1031 AM EDT Tue Apr 21 2026
.TODAY...N winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
5 to 7 ft.
.TONIGHT...NE winds 5 to 10 kt, becoming variable. Seas 3 to
6 ft.
.WED...SW winds 5 to 15 kt, increasing to 10 to 20 kt. Seas 3 to
5 ft.
.WED NIGHT...SW winds 20 to 25 kt, becoming W. Seas 4 to 7 ft.
Chance of showers and tstms.
.THU...W winds 15 to 20 kt, diminishing to 10 to 15 kt. Seas
4 to 7 ft.
.THU NIGHT...W winds 10 to 15 kt, becoming 10 to 20 kt. Seas
4 to 6 ft.
.FRI...W winds 15 to 20 kt. Seas 4 to 6 ft.
.FRI NIGHT...W to SW winds 15 to 20 kt. Seas 5 to 7 ft.
.SAT...W winds 15 to 20 kt, becoming SW 10 to 20 kt. Seas 4 to
7 ft.
.SAT NIGHT...W to SW winds 15 to 20 kt. Seas 5 to 6 ft.
$$
ANZ930-220400-
Hatteras Canyon to Cape Fear between 100 NM and 250 NM offshore-
1031 AM EDT Tue Apr 21 2026
.TODAY...N winds 15 to 25 kt. Seas 6 to 8 ft.
.TONIGHT...N winds 10 to 20 kt, diminishing to 5 to 15 kt. Seas
4 to 8 ft.
.WED...SW winds 15 to 25 kt. Seas 3 to 6 ft.
.WED NIGHT...W to SW winds 20 to 30 kt. Seas 4 to 8 ft. Chance
of showers and tstms.
.THU...W winds 10 to 20 kt. Seas 4 to 8 ft.
.THU NIGHT...W winds 5 to 15 kt. Seas 3 to 6 ft.
.FRI...W winds 10 to 20 kt. Seas 4 to 6 ft.
.FRI NIGHT...W winds 10 to 20 kt. Seas 4 to 6 ft.
.SAT...W to SW winds 10 to 20 kt. Seas 4 to 7 ft.
.SAT NIGHT...SW winds 10 to 20 kt. Seas 4 to 7 ft.
$$
ANZ835-220400-
Cape Fear to 31N to 1000 FM-
1031 AM EDT Tue Apr 21 2026
.TODAY...N to NE winds 10 to 20 kt. Seas 4 to 7 ft.
.TONIGHT...E to NE winds 5 to 15 kt, becoming E 5 to 10 kt. Seas
3 to 6 ft.
.WED...S to SE winds 5 to 10 kt, becoming SW 10 to 20 kt. Seas
3 to 5 ft.
.WED NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft.
.THU...W to SW winds 10 to 20 kt. Seas 3 to 6 ft.
.THU NIGHT...SW winds 10 to 15 kt, becoming W to SW 10 to 20 kt.
Seas 3 to 6 ft.
.FRI...W to SW winds 10 to 20 kt. Seas 3 to 6 ft.
.FRI NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT...W to SW winds 10 to 20 kt. Seas 3 to 6 ft.
.SAT NIGHT...S to SW winds 10 to 20 kt. Seas 3 to 5 ft.
$$
ANZ935-220400-
Cape Fear to 31N east of 1000 FM to 250 NM offshore-
1031 AM EDT Tue Apr 21 2026
.TODAY...N to NE winds 10 to 20 kt. Seas 5 to 7 ft.
.TONIGHT...N to NE winds 5 to 15 kt. Seas 4 to 7 ft.
.WED...E to NE winds less than 10 kt, becoming variable. Seas
3 to 6 ft.
.WED NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft.
.THU...W to SW winds 10 to 20 kt. Seas 3 to 6 ft.
.THU NIGHT...W winds 10 to 15 kt. Seas 3 to 6 ft.
.FRI...W winds 10 to 20 kt. Seas 3 to 5 ft.
.FRI NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft.
.SAT...SW winds 10 to 20 kt, becoming 10 to 15 kt. Seas 3 to
6 ft.
.SAT NIGHT...SW winds 10 to 20 kt. Seas 3 to 5 ft.
$$
.Forecaster Kells. Ocean Prediction Center.
Last Update: Tue, 21-Apr-2026 14:33:16 UTC
Updates: Four times per day
FZNT01 KWBC 210946
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE APR 21 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).
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 0600 UTC APR 21.
24 HOUR FORECAST VALID 0600 UTC APR 22.
48 HOUR FORECAST VALID 0600 UTC APR 23.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN LOW 62N57W 1004 MB MOVING N 20 KT. WITHIN
180 NM NE...E AND 480 NM SE QUADRANTS AND N OF 64N W OF GREENLAND
WINDS 35 TO 45 KT. SEAS 5 TO 9 M...HIGHEST NE QUADRANT. ELSEWHERE
WITHIN 600 NM SE AND S QUADRANTS AND FROM 54N TO 61N E OF 40W
WINDS 25 TO 35 KT. SEAS 2.5 TO 6 M...HIGHEST W OF 50W.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW DISSIPATED N OF THE
AREA. WITHIN 90 NM N AND NE OF A LINE FROM 60N49W TO 65N54W TO
THE COAST OF W GREENLAND AND N OF 65N W OF GREENLAND AREA OF SE
TO S WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. ELSEWHERE FROM 50N TO
60N BETWEEN 44W AND 53W AREA OF SE TO S WINDS TO 25 KT E OF 50W
AND AREA OF N WINDS W OF 50W. SEAS TO 3 M.
.48 HOUR FORECAST CONDITIONS DESCRIBED BELOW WITH LOW 50N56W.
...GALE WARNING...
.LOW 35N62W 1013 MB MOVING NE 25 KT. WITHIN 840 NM N...900 NM
NE...180 NM E...S...540 NM SW AND 240 NM NW QUADRANTS WINDS 20 TO
30 KT. SEAS TO 3.5 M.
.06 HOUR FORECAST LOW 38N57W 1004 MB. WITHIN 180 NM W SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 3.5 M
.24 HOUR FORECAST LOW 43N54W 1003 MB. WITHIN 180 NM W SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 3 TO 5 M. ELSEWHERE FROM 31N TO 50N
BETWEEN 50W AND 61W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 50N56W 1001 MB. W OF
A LINE FROM 50N46W TO 58N52W TO 64N53W WINDS 20 TO 30 KT. SEAS TO
3.5 M.
...GALE WARNING...
.LOW E OF THE AREA 43N27N MOVING SE 10 KT. FROM 40N TO 48N E OF
40W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW WELL E OF THE AREA NEAR 39N22W 992 MB. FROM
31N TO 55N E OF 40W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN N
SWELL...HIGHEST NEAR 38N35W.
.48 HOUR FORECAST COMPLEX LOW E OF THE AREA WITH MAIN LOW 49N27W
981 MB. FROM 40N TO 57N E OF 41W AREA OF N TO NE WINDS 20 TO 30
KT. SEAS 2.5 TO 6.5 M IN N SWELL...HIGHEST NEAR 48N35W.
...GALE WARNING....
.48 HOUR FORECAST NEW LOW 38N68W 1010 MB. WITHIN 90 NM SE AND 540
NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.SYNOPSIS AND FORECAST.
.48 HOUR FORECAST NEW LOW 40N46W 1003 MB. FROM 31N TO 50N BETWEEN
44W AND 60W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M IN MIXED SWELL.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 57N
BETWEEN 42W AND 54W...FROM 57N TO 59N BETWEEN 41W AND 44W AND
N OF 62N W OF GREENLAND.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 50N BETWEEN 46W AND
58W...AND N OF 50N BETWEEN 48W AND 54W.
.48 HOUR FORECAST DENSE FOG N OF 43N BETWEEN 65W AND 68W...IN THE
BAY OF FUNDY...FROM 48N TO 51N BETWEEN 58W AND 64W IN THE N GULF
OF SAINT LAWRENCE...WITHIN 60 NM NW OF A LINE FROM 46N47W TO
47N48W...WITHIN 180 NM NW OF A LINE FROM 57N56W TO 60N53W AND
FROM 60N TO 65N E OF 55W TO W COAST OF GREENLAND.
.LIGHT FREEZING SPRAY IN THE GULF OF SAINT LAWRENCE AND N OF 58N
W OF 57W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY FROM 44N TO 46N BETWEEN
57W AND 64W...IN THE GULF OF SAINT LAWRENCE AND W OF A LINE FROM
55N51W TO 61N51W TO 66N54W.
.48 HOUR FORECAST LIGHT FREEZING SPRAY IN THE GULF OF SAINT
LAWRENCE...W AND NW OF A LINE FROM 59N58W TO 64N52W AND N OF 64N
W OF GREENLAND.
.FORECASTER FUTTERMAN. OCEAN PREDICTION CENTER.
NWS NATIONAL HURRICANE CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA
SYNOPSIS VALID 0600 UTC TUE APR 21.
24 HOUR FORECAST VALID 0600 UTC WED APR 22.
48 HOUR FORECAST VALID 0600 UTC THU APR 23.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N65W TO 31N77W TO 30N80W TO 25N80W TO 25N77W TO
29N68W TO 31N65W...INCLUDING ATLANTIC EXPOSURES... N TO NE WINDS
20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST WITHIN 27N60W TO 31N60W TO 26N66W TO 24N77W TO
22N76W TO 23N66W TO 27N60W N TO NE WINDS 20 TO 25 KT. SEAS 2.5
TO 3.5 M. WITHIN 31N61W TO 31N71W TO 27N77W TO 25N73W TO 27N65W
TO 31N61W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE
SWELL.
.48 HOUR FORECAST WITHIN 31N51W TO 31N63W TO 24N72W TO 20N68W TO
21N59W TO 25N54W TO 31N51W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5
M IN N SWELL.
.ATLC WITHIN 31N35W TO 31N47W TO 27N44W TO 25N39W TO 25N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N38W TO 26N37W TO 23N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N37W TO 30N36W TO 28N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.GULF OF AMERICA WITHIN 28N83W TO 28N85W TO 27N88W TO 24N87W TO
24N83W TO 25N82W TO 28N83W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
M.
.24 HOUR FORECAST WITHIN 25N79W TO 27N84W TO 27N86W TO 25N86W TO
23N84W TO 23N79W TO 25N79W...INCLUDING STRAITS OF FLORIDA... E
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. 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 AL. NATIONAL HURRICANE CENTER.
$$
Last Update: Tue, 21-Apr-2026 09:47:52 UTC
Updates: Four times per day