HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SUN AUG 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 23.
24 HOUR FORECAST VALID 1200 UTC AUG 24.
48 HOUR FORECAST VALID 1200 UTC AUG 25.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER NEAR 65N35W 1002 MB MOVING S 15 KT.
N OF 64N E OF 39W WINDS 30 TO 40 KT. SEAS 3 TO 6 M...ELSEWHERE N
OF 62N E OF 41W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW JUST E OF AREA NEAR 61N32W 1003 MB. BETWEEN
180 NM AND 300 NM W SEMICIRCLE WINDS 25 TO 35 KT. SEAS 3 TO 5.5
M. ELSEWHERE N OF 49N E OF 47W WINDS TO 25 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW E OF AREA NEAR 55N26W 1007 MB. FROM 46N TO
59N E OF 41W WINDS TO 25 KT. SEAS TO 3.5 M.
.SYNOPSIS AND FORECAST.
.LOW 60N43W 997 MB MOVING MOVING SE 25 KT. WITHIN 540 NM NE OF A
LINE FROM 51N45W TO 60N60W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW AND CONDITIONS MERGED WITH LOW 61N32W
DESCRIBED ABOVE.
.COMPLEX LOW INLAND WITH MAIN CENTER NEAR 47N79W 1002 MB DRIFTING
NE 05 KT. WITHIN 240 NM SE OF A LINE FROM 41N69W TO 36N74W...AND
FROM 45N TO 49N BETWEEN 59W AND 65W WINDS 20 TO 30 KT. SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER INLAND NEAR 47N78W
1003 MB. CONDITIONS DIMINISHED.
.24 HOUR FORECAST LOW 33N61W 1016 MB. FROM 31N TO 38N BETWEEN 55W
AND 61W WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 40N60W 1012 MB. FROM 35N TO 43N BETWEEN 54W
AND 59W WINDS 20 TO 30 KT. SEAS TO 3 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 48N W OF
61W...AND N OF 64N E OF 39W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 50N W OF 54W.
.48 HOUR FORECAST DENSE FOG FROM 45N TO 56N BETWEEN 47W AND
62W...AND FROM 60N TO 64N W OF 60W.
.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 23.
24 HOUR FORECAST VALID 1200 UTC MON AUG 24.
48 HOUR FORECAST VALID 1200 UTC TUE AUG 25.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N58W TO 30N59W TO 29N58W TO 29N57W TO 30N57W TO
31N58W SE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE.
.ATLC 30 HOUR FORECAST WITHIN 21N70W TO 21N71W TO 21N72W TO
20N72W TO 20N71W TO 21N70W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE.
.CARIBBEAN WITHIN 12N75W TO 12N76W TO 11N76W TO 11N75W TO 12N74W
TO 12N75W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 13N73W TO 13N74W TO 12N76W TO 11N76W TO
11N75W TO 12N74W TO 13N73W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
TO 3.0 M.
.48 HOUR FORECAST WITHIN 14N71W TO 15N72W TO 14N75W TO 12N77W TO
11N76W TO 12N70W TO 14N71W...INCLUDING THE GULF OF VENEZUELA...E
WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.
$$