HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC FRI AUG 14 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC AUG 14.
24 HOUR FORECAST VALID 0000 UTC AUG 15.
48 HOUR FORECAST VALID 0000 UTC AUG 16.
.WARNINGS.
...GALE WARNING...
.LOW 56N52W 1001 MB MOVING NE 15 KT. FROM 58N TO 67N BETWEEN 44W
AND 55W WINDS 30 TO 40 KT. SEAS TO 4 M. ELSEWHERE WITHIN 240 NM
NE AND E OF A LINE FROM 50N40W TO 54N42W TO 59N53W TO 67N57W
WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 58N43W 1007 MB. FROM 59N TO 61N BETWEEN 41W
AND 47W WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 60N39W 1010 MB. WINDS LESS THAN 25 KT. SEAS
LESS THAN 2.5 M.
.SYNOPSIS AND FORECAST.
.LOW 48N41W 1011 MB MOVING NE 20 KT. FROM 44N TO 50N BETWEEN 34W
AND 40W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED E OF AREA. CONDITIONS
DIMINISHED.
.48 HOUR FORECAST LOW 49N41W 1007 MB. WITHIN 240 NM E OF A FRONT
TO EXTEND FROM 48N40W TO 36N50W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 64N60W 1002 MB. WITHIN 60 NM E OF A LINE
FROM 61N51W TO 66N55W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM NE AND
E OF A LINE FROM 46N42W TO 53N45W TO 54N52W...AND WITHIN 90 NM
EITHER SIDE OF A LINE FROM 55N50W TO 67N57W.
.24 HOUR FORECAST DENSE FOG FROM 48N TO 52N BETWEEN 48W AND
53W...WITHIN 90 NM N OF A LINE FROM 57N35W TO 58N41W TO 57N45W TO
59N50W...AND N OF 63N W OF 60W.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 52N BETWEEN 35W AND
46W...AND FROM 61N TO 66N BETWEEN 60W AND 64W.
.FORECASTER HUFFMAN. 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 0000 UTC FRI AUG 14.
24 HOUR FORECAST VALID 0000 UTC SAT AUG 15.
48 HOUR FORECAST VALID 0000 UTC SUN AUG 16.
.WARNINGS.
...CARIBBEAN GALE WARNING...
.WITHIN 17N69W TO 18N74W TO 14N73W TO 13N76W TO 10N64W TO 11N64W
TO 17N69W...INCLUDING IN MONA PASSAGE AND THE GULF OF
VENEZUELA...
E WINDS 20 TO 30 KT. SEAS 2.5 M TO 3.0 M.
.21 HOUR FORECAST WITHIN 13N71W TO 13N72W TO 11N73W TO 12N72W
TO 11N71W TO 11N70W TO 13N71W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 30 TO 40 KT. SEAS 2.5 M TO 3.5 M.
WITHIN 17N68W TO 19N73W TO 18N79W TO 10N79W TO 13N72W TO 11N66W
TO 17N68W...INCLUDING BETWEEN CUBA AND JAMAICA AND IN MONA
PASSAGE...NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 13N72W TO 13N74W TO 11N74W TO 12N72W TO
10N72W TO 11N70W TO 13N72W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 30 TO 40 KT. SEAS 2.5 M TO 3.5 M. WITHIN 15N67W TO
19N78W TO 15N81W TO 10N77W TO 14N74W TO 11N68W TO
15N67W...INCLUDING
BETWEEN CUBA AND JAMAICA AND IN MONA PASSAGE...NE TO E WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M.
.30 HOUR FORECAST WITHIN 17N62W TO 19N78W TO 16N82W TO 10N81W
TO 11N67W TO 14N68W TO 17N62W...INCLUDING BETWEEN CUBA AND
JAMAICA AND IN MONA PASSAGE AND IN ATLANTIC EXPOSURES AND
PASSAGES AND THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 18N70W TO 17N81W TO 11N84W TO 09N78W
TO 10N72W TO 18N70W...INCLUDING WITHIN 60 NM OF COAST OF
NICARAGUA AND THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.0 M.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 21N70W TO 21N71W TO 21N72W TO 20N72W TO 20N70W TO
21N70W E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 21N70W TO 22N72W TO 22N73W TO 21N74W TO
20N73W TO 20N70W TO 21N70W...INCLUDING ATLANTIC EXPOSURES...E
WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST WITHIN 22N71W TO 21N74W TO 20N75W TO 19N74W
TO 20N73W TO 20N70W TO 22N71W NE TO E WINDS 20 TO 30 KT. SEAS
TO 2.5 M.
.ATLC WITHIN 18N44W TO 17N52W TO 13N53W TO 11N51W TO 11N46W TO
15N43W TO 18N44W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST WITHIN 17N49W TO 20N53W TO 18N61W TO 12N59W TO
12N50W TO 17N49W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...
E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 18N56W TO 21N60W TO 21N64W TO 16N69W TO
14N63W TO 11N59W TO 18N56W...INCLUDING IN MONA PASSAGE AND IN
ATLANTIC EXPOSURES AND PASSAGES...E WINDS 20 TO 25 KT. SEAS 2.5
TO 3.0 M.
.ATLC 27 HOUR FORECAST WITHIN 12N35W TO 12N36W TO 10N36W TO
09N35W TO 12N35W NW TO N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 14N38W TO 15N39W TO 14N41W TO 12N40W TO
10N39W TO 12N37W TO 14N38W E TO SE WINDS 20 TO 30 KT. SEAS 2.5 TO
3.0 M.
.CARIBBEAN 45 HOUR FORECAST WITHIN 17N85W TO 17N86W TO 17N87W TO
17N88W TO 16N87W TO 16N84W TO 17N85W...INCLUDING THE GULF OF
HONDURAS...NE TO E WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST WITHIN 17N85W TO 17N87W TO 17N88W TO 16N88W
TO 16N85W TO 17N85W...INCLUDING THE GULF OF HONDURAS...E TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.GULF OF AMERICA WITHIN 22N88W TO 23N89W TO 22N91W TO 20N92W TO
19N92W TO 21N90W TO 22N88W...INCLUDING WITHIN 60 NM OF COAST OF
CAMPECHE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 22N88W TO 23N88W TO 22N92W TO 20N92W
TO 20N91W TO 21N90W TO 22N88W...INCLUDING WITHIN 60 NM OF COAST
OF CAMPECHE...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 22N90W TO 22N91W TO 21N93W TO 19N93W TO
19N91W TO 22N90W...INCLUDING WITHIN 60 NM OF COAST OF CAMPECHE...
NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.
$$