HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC WED SEP 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SEP 09.
24 HOUR FORECAST VALID 1800 UTC SEP 10.
48 HOUR FORECAST VALID 1800 UTC SEP 11.
.WARNINGS.
...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 61N40W 987 MB MOVING NE 25 KT AND
SECOND CENTER 64N36W 984 MB MOVING SW 10 KT. BETWEEN 120 NM AND
480 NM OF FIRST LOW AND N OF 65N E OF GREENLAND WINDS 25 TO 40
KT. SEAS 2.5 TO 5 M. ELSEWHERE WITHIN 480 NM SW QUADRANT OF FIRST
LOW WINDS TO 25 KT. SEAS TO 3 M.
.06 HOUR FORECAST LOW 61N37W 986 MB. FROM 56N TO 60N E OF 46W
WINDS 35 TO 50 KT. SEAS 4 TO 7 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 65N34W 978 MB. N
OF 64N E OF 37W AREA OF NW WINDS 35 TO 50 KT. SEAS 4 TO 7 M.
ELSEWHERE FROM 56N TO 63N E OF 45W AND N OF 63N E OF 40W WINDS 25
TO 40 KT. SEAS 3 TO 5.5 M. ALSO FROM 44N TO 61N E OF 50W WINDS TO
25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA.
...GALE WARNING...
.LOW 39N47W 1014 MB MOVING NE 25 KT. WITHIN 120 NM SE QUADRANT
WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE WITHIN 480 NM S
QUADRANT WINDS TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 43N45W 1003 MB
AND SECOND CENTER 46N40W 1004 MB. FROM 38N TO 47N BETWEEN 35W AND
48W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA.
...GALE WARNING...
.18 HOUR FORECAST FROM 46N TO 50N BETWEEN 57W AND 64W WINDS 25 TO
35 KT. SEAS TO 3.5 M. ELSEWHERE W OF A LINE FROM 56N46W TO 36N66W
WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST FROM 43N TO 50N BETWEEN 55W AND 65W WINDS 25 TO
35 KT. SEAS 2.5 TO 4 M. ELSEWHERE W OF A LINE FROM 36N66W TO
55N45W TO 62N58W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 55N53W 986 MB. WITHIN 240 NM N SEMICIRCLE
AND BETWEEN 240 NM AND 660 NM S SEMICIRCLE WINDS 25 TO 35 KT.
SEAS 2.5 TO 4 M. ELSEWHERE FROM 35N TO 63N BETWEEN 40W AND 65W
WINDS TO 25 KT. SEAS TO 3 M.
.SYNOPSIS AND FORECAST.
.LOW 43N53W 1012 MB MOVING E 20 KT. WITHIN 180 NM N AND 360 NM W
AND SW QUADRANTS WINDS TO 25 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 43N45W
DESCRIBED ABOVE.
.DENSE FOG. 24 HOUR FORECAST VSBY OCCASIONALLY LESS THAN 1 NM N
OF 62N E OF GREENLAND.
.48 HOUR FORECAST DENSE FOG FROM 53N TO 58N W OF 50W.
.FORECASTER KREKELER. 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 WED SEP 9.
24 HOUR FORECAST VALID 1800 UTC THU SEP 10.
48 HOUR FORECAST VALID 1800 UTC FRI SEP 11.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 17N56W TO 18N59W TO 17N60W TO 16N60W TO 16N58W TO
17N56W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE.
.ATLC AND CARIBBEAN WITHIN 21N70W TO 21N71W TO 21N73W TO 20N74W
TO 20N70W TO 21N70W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
.CARIBBEAN WITHIN 15N77W TO 13N81W TO 10N80W TO 10N77W TO 11N74W
TO 11N70W TO 15N77W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 13N70W TO 13N75W TO 14N77W TO 11N77W TO
12N75W TO 11N70W TO 13N70W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST WITHIN 14N69W TO 13N71W TO 14N74W TO 12N73W TO
11N71W TO 12N69W TO 14N69W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 30 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.
$$