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OPC High Seas Forecast (N Atlantic)

?xml version="1.0" encoding="iso-8859-1"?> Fri, 31 Jul 2026 09:56:09 +0000Fri, 31 Jul 2026 09:56:09 +0000OPC High Seas Forecast (N Atlantic)Ocean Prediction Center - High Seas Forecast (N Atlantic)https://ocean.weather.gov/noneOcean Prediction Center web teamen-ushttps://ocean.weather.gov/contact/index.phphttps://ocean.weather.gov/images/xml_logo_opc.gifhttps://ocean.weather.gov/NOAA logoOPC High Seas Forecast (N Atlantic)9545OPC N Atlantic High Seas Forecast![CDATA[ FZNT01 KWBC 310954
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC FRI JUL 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JUL 31.
24 HOUR FORECAST VALID 0600 UTC AUG 01.
48 HOUR FORECAST VALID 0600 UTC AUG 02.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH MAIN CENTER 43N67W 1006 MB MOVING NE 10 KT.
WITHIN 480 NM E OF A FRONT FROM 41N63W TO 31N76W WINDS TO 25 KT.
SEAS TO 3.5 M.
.24 HOUR FORECAST COMBINED LOW 46N61W 1008 MB. WITHIN 420 NM E
OF A FRONT FROM 43N57W TO 31N74W WINDS 20 TO 30 KT. SEAS TO 3.5
M.
.48 HOUR FORECAST LOW 47N54W 1013 MB. FROM 34N TO 44N BETWEEN
49W AND 67W WINDS 20 TO 30 KT. SEAS TO 3 M.

.COMPLEX LOW WITH MAIN CENTER E OF AREA NEAR 48N33W 1004 MB
MOVING SE 05 KT. FROM 42N TO 53N E OF 42W WINDS 20 TO 30 KT.
SEAS TO 3.5 M.
.24 HOUR FORECAST COMBINED LOW E OF AREA NEAR 46N31W 1004 MB.
FROM 43N TO 51N E OF 38W WINDS LESS THAN 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.

.24 HOUR FORECAST INLAND LOW 61N71W 1000 MB. N OF 55N W OF 54W
WINDS TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST INLAND LOW 64N66W 1008 MB. N OF 54N BETWEEN
52W AND 60W WINDS 20 TO 30 KT. SEAS TO 2.5 M.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 46N
BETWEEN 49W AND 68W...FROM 45N TO 57N BETWEEN 44W AND 62W...AND
N OF A LINE FROM 57N62W TO 59N43W TO 64N35W.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 46N BETWEEN 47W AND
68W...AND NW AND N OF A LINE FROM 50N55W TO 56N42W.
.48 HOUR FORECAST DENSE FOG NW OF A LINE FROM 41N69W TO 42N48W
TO 47N42W...AND N OF 54N W OF 42W.

.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 0600 UTC FRI JUL 31.
24 HOUR FORECAST VALID 0600 UTC SAT AUG 1.
48 HOUR FORECAST VALID 0600 UTC SUN AUG 2.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.WITHIN 11N74W TO 12N75W TO 11N76W TO 11N75W TO 11N74W
NE TO E WINDS 25 TO 35 KT. SEAS 2.5 TO 4.0 M. WITHIN 17N72W TO
18N77W TO 16N81W TO 11N82W TO 10N77W TO 13N67W TO
17N72W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO
30 KT. SEAS 2.5 TO 3.0 M.
.06 HOUR FORECAST WITHIN 18N72W TO 18N78W TO 13N82W TO 09N77W TO
13N69W TO 18N72W...INCLUDING THE GULF OF VENEZUELA...E WINDS 20
TO 30 KT. SEAS 2.5 TO 4.0 M.
.24 HOUR FORECAST WITHIN 15N73W TO 15N82W TO 10N83W TO 09N78W TO
11N75W TO 11N70W TO 15N73W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST WITHIN 14N69W TO 15N70W TO 14N73W TO 12N72W TO
11N71W TO 11N70W TO 14N69W...INCLUDING THE GULF OF VENEZUELA...
E WINDS 20 TO 25 KT. SEAS TO 2.5 M.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N67W TO 31N74W TO 30N73W TO 30N71W TO 31N67W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN W SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.ATLC 12 HOUR FORECAST WITHIN 21N70W TO 22N71W TO 21N72W TO
20N72W TO 20N70W TO 21N70W E WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.39 HOUR FORECAST WITHIN 21N70W TO 22N71W TO 21N72W TO 20N72W TO
20N70W TO 21N70W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.CARIBBEAN 15 HOUR FORECAST WITHIN 17N86W TO 17N87W TO 16N87W TO
16N85W TO 17N86W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M.
.24 HOUR FORECAST WITHIN 17N86.5W TO 17N87W TO 16.5N87W TO
16N87.5W TO 16N86.5W TO 16N86W TO 17N86.5W...INCLUDING THE GULF
OF HONDURAS...E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.30 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 ERA. NATIONAL HURRICANE CENTER.
]]> Fri, 31 Jul 2026 09:56:09 +0000https://ocean.weather.gov/shtml/NFDHSFAT1.phphttps://ocean.weather.gov/shtml/NFDHSFAT1.php?202607310956Ocean Prediction Center web team
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