HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC TUE AUG 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 25.
24 HOUR FORECAST VALID 1800 UTC AUG 26.
48 HOUR FORECAST VALID 1800 UTC AUG 27.
.WARNINGS.
...GALE WARNING...
.LOW 39N58W 1012 MB MOVING NE 30 KT. FROM 34N TO 46N BETWEEN 53W
AND 59W WINDS 20 TO 30 KT. SEAS TO 3 M.
.06 HOUR FORECAST LOW 42N57W 1012 MB. FROM 39N TO 43N BETWEEN 53W
AND 57W WINDS 25 TO 35 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 49N49W 1010 MB. FROM 42N TO 49N BETWEEN 44W
AND 50W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW E OF AREA NEAR 52N30W 1006 MB. FROM 43N TO
50N E OF 39W WINDS TO 25 KT. SEAS TO 2.5 M.
...GALE WARNING...
.LOW 61N66W 1002 MB MOVING E 10 KT. WITHIN 120 NM NE OF A LINE
FROM 54N58W TO 58N55W TO 61N64W WINDS TO 25 KT. SEAS LESS THAN
2.5 M.
.12 HOUR FORECAST LOW 61N61W 998 MB. WITHIN 180 NM NE OF A LINE
FROM 58N49W TO 62N56W WINDS 30 TO 40 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 61N59W 1000 MB. FROM 59N TO 63N BETWEEN 45W
AND 54W WINDS 35 TO 45 KT. SEAS 4 TO 5.5 M. ELSEWHERE WITHIN 240
NM NE OF A LINE FROM 57N47W TO 58N51W TO 63N62W...AND WITHIN 180
NM W SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 61N62W 1011 MB. FROM 56N TO 66N W OF 47W
WINDS LESS THAN 25 KT. SEAS 2.5 TO 3.5 M.
...GALE WARNING...
.18 HOUR FORECAST NEW LOW 55N44W 1006 MB. WITHIN 180 NM NE OF A
LINE FROM 52N40W TO 56N46W WINDS 30 TO 40 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 56N42W 1002 MB. WITHIN 240 NM NE OF A LINE
FROM 49N36W TO 56N42W TO 57N46W WINDS 25 TO 40 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 58N40W 1001 MB. BETWEEN 90 NM AND 180 NM N
SEMICIRLE WINDS 30 TO 40 KT. SEAS 3 TO 4 M. ELSEWHERE FROM 55N TO
62N E OF 47W WINDS 20 TO 30 KT. SEAS TO 3 M.
.SYNOPSIS AND FORECAST.
.LOW E OF AREA NEAR 53N25W 1008 MB MOVING SE 25 KT. FROM 51N TO
56N E OF 38W WINDS LESS THAN 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED E OF AREA.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 51N
BETWEEN 55W AND 67W.
.24 HOUR FORECAST DENSE FOG FROM 46N TO 65N BETWEEN A LINE FROM
46N42W TO 64N60W AND A LINE FROM 46N60W TO 65N70W.
.48 HOUR FORECAST DENSE FOG FROM 49N TO 52N E OF 37W...AND FROM
59N TO 63N W OF 61W.
.FORECASTER POCHE. 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 1800 UTC TUE AUG 25.
24 HOUR FORECAST VALID 1800 UTC WED AUG 26.
48 HOUR FORECAST VALID 1800 UTC THU AUG 27.
.WARNINGS.
...CARIBBEAN GALE WARNING...
.WITHIN 14N71W TO 16N75W TO 13N78W TO 11N78W TO 12N73W TO 11N69W
TO 14N71W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M.
.03 HOUR FORECAST LITTLE CHANGE...EXCEPT WITHIN 12N70W TO 12N71W
TO 12N72W TO 11N71W TO 11N70W TO 12N70W WINDS TO 35 KT.
.06 HOUR FORECAST LITTLE CHANGE...EXCEPT ALSO WITHIN 13N73W TO
13N75W TO 12N75W TO 11N75W TO 11N73W TO 12N73W TO 13N73W WINDS TO
35 KT AND SEAS TO 3.5 M.
.12 HOUR FORECAST WITHIN 14N70W TO 16N72W TO 16N76W TO 14N78W TO
11N77W TO 11N70W TO 14N70W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.27 HOUR FORECAST LITTLE CHANGE...EXCEPT WITHIN 14N70W TO 16N72W
TO 16N76W TO 14N78W TO 11N77W TO 11N70W TO 14N70W WINDS TO 35 KT.
.30 HOUR FORECAST LITTLE CHANGE...EXCEPT ALSO WITHIN 14N70W TO
16N72W TO 16N76W TO 14N78W TO 11N77W TO 11N70W TO 14N70W WINDS TO
35 KT AND SEAS BUILDING TO 4.0 M.
.36 HOUR FORECAST WITHIN 14N70W TO 16N73W TO 15N80W TO 12N80W TO
11N76W TO 11N70W TO 14N70W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M.
.48 HOUR FORECAST WITHIN 15N73W TO 16N77W TO 15N81W TO 12N81W TO
10N77W TO 12N70W TO 15N73W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.SYNOPSIS AND FORECAST.
.ATLC 36 HOUR FORECAST LOW PRES...INVEST AL96...POSSIBLE TROPICAL
CYCLONE...E OF AREA NEAR 13N33.5W 1006 MB. OVER FORECAST WATERS
WITHIN 18N35W TO 17.5N35.5W TO 16N36W TO 14N36W TO 13.5N35W TO
18N35W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
ELSEWHERE WITHIN 18N35W TO 20N35W TO 19N37W TO 15N37W TO 14N36W
TO 16N36W TO 18N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
SWELL.
.48 HOUR FORECAST LOW PRES...INVEST AL96...POSSIBLE TROPICAL
CYCLONE...NEAR 13N37W 1005 MB. OVER FORECAST WATERS WITHIN
19N35W TO 19N39W TO 16N40W TO 14N38W TO 13N35W TO 19N35W WINDS 20
TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 20N35W TO 19N38W
TO 20N38W TO 18N41W TO 15N40W TO 12N35W TO 20N35W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
$$