HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SUN AUG 09 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 09.
24 HOUR FORECAST VALID 1200 UTC AUG 10.
48 HOUR FORECAST VALID 1200 UTC AUG 11.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER NEAR 47N36W MOVING NE 10 KT.
BETWEEN 180 NM AND 600 NM S SEMICIRICLE...AND BETWEEN 120 NM AND
540 NM N SEMICIRCLE WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.12 HOUR FORECAST LOW JUST E OF AREA NEAR 50N33W BETWEEN 120 NM
AND 480 NM NW QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M.
.24 HOUR FORECAST LOW JUST E OF AREA NEAR 51N34W 989 MB. BETWEEN
90 NM 300 NM NW SEMICIRCLE...AND BETWEEN 90 NM AND 240 NM SW
QUADRANT WINDS 25 TO 35 KT. SEAS 3.5 AND 5 M. ELSEWHERE FROM 41N
TO 58N E OF 44W WINDS TO 25 KT. SEAS 2.5 TO 4 M...HIGHEST NW OF
CENTER.
.48 HOUR FORECAST LOW E OF AREA NEAR 53N29W 991 MB. FROM 41N TO
58N E OF 44W WINDS 20 TO 30 KT. SEAS TO 4 M.
.SYNOPSIS AND FORECAST.
.24 HOUR FORECAST NEW LOW 42N44W 1008 MB. FROM 38N TO 41N BETWEEN
40W AND 47W WINDS TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW AND ASSOCIATED MOVED E OF AREA.
.48 HOUR FORECAST NEW LOW NEAR 38N60W 1014 MB. WITHIN 180 NM S
SEMICIRCLE WINDS TO 25 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 46N
BETWEEN 59W AND 69W...SW OF A LINE FROM 56N59W TO 59N63W...AND
FROM 48N TO 52N E OF 39W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 44N BETWEEN 62W AND
67W...FROM 50N TO 52N E OF 37W...AND SW OF A LINE FROM 56N58W TO
60N63W.
.48 HOUR FORECAST DENSE FOG FROM 53N TO 61N W OF 55W.
.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 1200 UTC SUN AUG 09.
24 HOUR FORECAST VALID 1200 UTC MON AUG 10.
48 HOUR FORECAST VALID 1200 UTC TUE AUG 11.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC AND CARIBBEAN 18 HOUR FORECAST WITHIN 21N71W TO 21N73W TO
20N74W TO 19N75W TO 20N73W TO 20N71W TO 21N71W...INCLUDING THE
WINDWARD PASSAGE...NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 2.5
M.
.24 HOUR FORECAST WITHIN 21N73W TO 21N75W TO 20N75W TO 19N75W TO
20N73W TO 21N73W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST LITTLE CHANGE.
.CARIBBEAN WITHIN 14N71W TO 15N75W TO 13N78W TO 11N78W TO
10N76W TO 13N72W TO 14N71W NE TO E WINDS 20 TO 25 KT...EXCEPT
25 TO 30 KT S OF 13N BETWEEN 74W AND 75W. SEAS 2.5 TO 4 M...
HIGHEST NEAR 12N77W. ELSEWHERE WITHIN 12N79W TO 15N75W TO 14N78W
TO 11N81W TO 09N80W TO 10N76W TO 12N79W WINDS 20 KT OR LESS.
SEAS 2.5 TO 3 M IN E SWELL.
.24 HOUR FORECAST WITHIN 14N69W TO 18N72W TO 17N78W TO 13N79W TO
11N76W TO 12N72W TO 14N69W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
TO 3 M.
.48 HOUR FORECAST WITHIN 15N70W TO 17N74W TO 16N79W TO 14N79W TO
11N78W TO 12N70W TO 16N71W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 25 KT...EXCEPT 25 TO 30 KT FROM 11N TO 13N
BETWEEN 74W AND 76W. SEAS 2.5 TO 3.5 M OUTSIDE THE GULF OF
VENEZUELA...HIGHEST NEAR 12N76W.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.
$$