HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC MON SEP 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 07.
24 HOUR FORECAST VALID 1200 UTC SEP 08.
48 HOUR FORECAST VALID 1200 UTC SEP 09.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 46N57W 993 MB MOVING NE 20 KT.
WITHIN 600 NM S QUADRANT...420 NM NW QUADRANT...FROM 45N TO 55N
BETWEEN 56W AND 35W...AND WITHIN 120 NM EITHER SIDE OF A LINE
FROM 34N54W TO 41N46W...WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.12 HOUR FORECAST COMPLEX LOW WITH ORIGINAL MAIN CENTER 49N54W
999 MB AND NEW SECOND CENTER 51N50W 998 MB. WITHIN 180 NM NE OF A
FRONT FROM SECOND LOW CENTER TO 48N40W WINDS 25 TO 35 KT. SEAS
2.5 TO 4 M.
.24 HOUR FORECAST LOW 53N50W 992 MB. WITHIN 180 NM NW AND W
QUADRANTS WINDS 30 TO 40 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE FROM
37N TO 44N BETWEEN 55W AND 38W...AND FROM 44N TO 57N BETWEEN 65W
AND 35W...WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW JUST E OF AREA 61N33W 986 MB. WITHIN 120 NM
EITHER SIDE OF A LINE FROM 61N51W TO 57N41W WINDS 30 TO 40 KT.
SEAS 3 TO 5.5 M. ELSEWHERE FROM 46N TO 62N BETWEEN 58W AND
45W...AND FROM 46N TO 60N BETWEEN 45W AND 35W...WINDS 20 TO 30
KT. SEAS 2.5 TO 4.5 M.
...GALE WARNING...
.LOW JUST N OF AREA 68N59W 993 MB MOVING NE 15 KT. N OF 65N W OF
GREENLAND...AND WITHIN 180 NM NW OF A FRONT FROM 56N61W TO
61N56W...WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.18 HOUR FORECAST ORIGINAL LOW MOVED WELL N OF AREA AND NEW LOW
67N58W 1005 MB. FROM 64N TO 65N BETWEEN 65W AND 60W WINDS 25 TO
35 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LOW 66N56W 1008 MB. WITHIN 90 NM EITHER SIDE OF
A LINE FROM 65N66W TO 63N55W...AND WITHIN 300 NM NW OF A FRONT
FROM 53N56W TO 61N48W...WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
61N33W DESCRIBED IN GALE WARNING ABOVE.
...GALE WARNING...
.33 HOUR FORECAST BETWEEN A LINE FROM 61N52W TO 59N49W AND THE W
COAST OF GREENLAND AREA OF NW WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST CONDITIONS ABSORBED BY LOW 61N33W DESCRIBED IN
FIRST GALE WARNING ABOVE.
.SYNOPSIS AND FORECAST.
.FROM 56N TO 60N BETWEEN 45W AND 35W AREA OF W WINDS TO 25 KT.
SEAS TO 2.5 M.
.24 HOUR FORECAST FROM 59N TO 61N BETWEEN 44W AND 35W AREA OF SW
WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST NEW LOW 65N37W 987 MB. N OF 65N E OF GREENLAND
WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM EITHER
SIDE OF A LINE FROM 49N53W TO 44N48W.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM EITHER SIDE OF A LINE
FROM 55N45W TO 54N39W TO 46N36W.
.48 HOUR FORECAST DENSE FOG FROM 65N TO 66N W OF 61W.
.FORECASTER CONNELLY. 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 MON SEP 7.
24 HOUR FORECAST VALID 1200 UTC TUE SEP 8.
48 HOUR FORECAST VALID 1200 UTC WED SEP 9.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC FROM 30N TO 31N BETWEEN 56W AND 61W WINDS 20 KT OR LESS.
SEAS 2.5 M IN W TO SW SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC 03 HOUR FORECAST WITHIN 19N36W TO 18N37W TO 18N35W TO
19N36W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED N AND E
SWELL.
.24 HOUR FORECAST WITHIN 21N35W TO 22N44W TO 20N48W TO 14N52W TO
14N41W TO 17N35W TO 21N35W WINDS 20 KT OR LESS. SEAS 2.5 M IN
MIXED N AND E SWELL.
.48 HOUR FORECAST WITHIN 19N48W TO 20N59W TO 18N61W TO 15N60W TO
14N52W TO 16N48W TO 19N48W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED N AND E
SWELL.
.CARIBBEAN 03 HOUR FORECAST WITHIN 13.5N72.5W TO 13.5N73W TO
14N73.5W TO 13.5N74W TO 13N73.5W TO 13N73W TO 13.5N72.5W WINDS
20 KT OR LESS. SEAS 2.5 M IN E SWELL.
.24 HOUR FORECAST WITHIN 14N71W TO 15N74W TO 14N75W TO 12N77W TO
12N74W TO 12N70W TO 14N71W...INCLUDING THE GULF OF VENEZUELA...
E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN E SWELL. ELSEWHERE
WITHIN 15N72W TO 15N75W TO 14N76W TO 13N71W TO 14N71W TO 15N72W
WINDS 20 KT OR LESS. SEAS 2.5 M IN E TO SE SWELL.
.48 HOUR FORECAST WITHIN 14N70W TO 15N74W TO 15N78W TO 13N79W TO
11N76W TO 11N70W TO 14N70W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 30 KT. SEAS TO 4.0 M IN E SWELL. ELSEWHERE
WITHIN 15N74W TO 16N78W TO 14N80W TO 11N80W TO 10N76W TO 11N75W
TO 15N74W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.CARIBBEAN 36 HOUR FORECAST WITHIN 17N86W TO 17N87W TO 16N87W TO
16N86W TO 16N85W TO 17N86W E WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.
$$