HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SUN NOV 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC NOV 15.
24 HOUR FORECAST VALID 0000 UTC NOV 16.
48 HOUR FORECAST VALID 0000 UTC NOV 17.
.WARNINGS.
...STORM WARNING...
.LOW 50N48W 988 MB MOVING NE 10 KT. BETWEEN 240 NM AND 480 NM
NE...90 NM AND 360 NM NW AND N QUADRANTS AND FROM 45N TO 50N E OF
40W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.18 HOUR FORECAST LOW 52N46W 980 MB. WITHIN 180 NM NW AND N OF A
LINE FROM 52N50W TO 55N46W AND 180 NM N AND NE OF LINE FROM
55N46W TO 54N35W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW 53N44W 980 MB AND INTENSIFYING. BETWEEN 120
NM AND 900 NM SE...180 NM AND 720 NM S...90 NM AND 420 NM
SW...120 NM AND 300 NM NW...120 NM AND 420 NM N AND 180 NM AND
420 NM NE QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 6 M...HIGHEST
NEAR 55N35W.
.36 HOUR FORECAST LOW E OF THE AREA 54N30W 960 MB. FROM 44N TO
51N E OF 45W WINDS 40 TO 50 KT. SEAS 5 TO 8.5 M...HIGHEST NEAR
48N35W.
.48 HOUR FORECAST LOW E OF THE AREA 54N25W 958 MB. FROM 45N TO
50N E OF 43W WINDS 40 TO 50 KT. SEAS 5 TO 9 M. ELSEWHERE WITHIN
AN AREA BOUNDED BY A LINE FROM 40N35W TO 42N47W TO 53N55W TO
60N44W TO
60N35W TO 40N35W WINDS 25 TO 40 KT. SEAS 3 TO 6 M. ALSO N OF 60N
E OF GREENLAND WINDS TO 25 KT. SEAS 2.5 TO 5 M IN MIXED SWELL.
...GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER NEAR 38N62W 996 MB MOVING NE 50 KT
AND INTENSIFYING. BETWEEN 90 NM AND 420 NM S AND SW QUADRANTS
WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M...HIGHEST NEAR 35N62W.
ELSEWHERE WITHIN 960 NM NE...E...720 NM SE...360 NM S...600 NM SW
AND 600 NM W QUADRANTS WINDS 20 TO 30 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER JUST E OF THE AREA
51N32W 974 MB. CONDITIONS DESCRIBED ABOVE WITH LOW 53N44W.
...GALE WARNING...
.N OF 64N W OF GREENLAND WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.18 HOUR FORECAST FROM 63N TO 65N W OF 60W AREA OF NW WINDS 25 TO
35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST FROM 63N TO 65N W OF 60W AREA OF NW WINDS 20 TO
30 KT. SEAS TO 2.5 TO 4 M.
.36 HOUR FORECAST N OF 63N W OF 54W AREA OF NW WINDS 25 TO 35 KT.
SEAS TO 3.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
...HEAVY FREEZING SPRAY WARNING...
.LIGHT FREEZING SPRAY N OF 59N W OF 60W AND N OF 64N E OF
GREENLAND.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF
60W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF
55W...WITHIN 60 NM W OF GREENLAND FROM 60N TO 63N AND N OF 65N E
OF GREENLAND.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY FROM 58N TO
60N W OF 55W...N OF 60N W OF GREENLAND AND N OF 65N E OF
GREENLAND.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 48N
BETWEEN 52W AND 38W...FROM 48N TO 52N BETWEEN 38W AND 58W...W OF
A LINE FROM 52N51W TO 58N58W TO THE COAST OF LABRADOR AND WITHIN
60 NM W OF GREENLAND FROM 64N TO 66N.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM N AND NE OF A LINE FROM
49N35W TO 50N40W...WITHIN 120 NM N OF A LINE FROM 52N40W TO
52N45W...FROM 48N TO 56N BETWEEN 45W AND 56W...FROM 60N TO 65N E
OF 59W TO W GREENLAND...N OF 65N W OF GREENLAND AND WITHIN 60 NM
E OF GREENLAND FROM 62N TO 64N.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM E OF A LINE FROM 50N48W
TO 56N50W TO 59N48W...N OF 62N E OF GREENLAND AND FROM 60N TO 67N
E OF 56W TO W GREENLAND.
.FORECASTER FUTTERMAN. 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 0000 UTC SUN NOV 15.
24 HOUR FORECAST VALID 0000 UTC MON NOV 16.
48 HOUR FORECAST VALID 0000 UTC TUE NOV 17.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC COLD FRONT FROM 31N59W TO 22N77W. WITHIN 31N53W TO 31N62W
TO 28N63W TO 28N60W TO 31N53W SW TO W WINDS 20 TO 30 KT. SEAS 2.5
TO 4.0 M. WITHIN 31N63W TO 31N69.5W TO 30.5N69W TO 30.5N67W TO
30.5N64.5W TO 31N63W W TO NW WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5
M. ELSEWHERE WITHIN 31N53W TO 31N75W TO 28N67W TO 25N65W TO
26N61W TO 31N53W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN MIXED
SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N52W TO 21N75W. WITHIN
31N44W TO 31N67W TO 28N61W TO 28N51W TO 31N44W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN W TO NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N48W TO 21N73W. WITHIN
31N41W TO 31N50W TO 29N48W TO 29N43W TO 31N41W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN W TO NW SWELL.
.ATLC 42 HOUR FORECAST WITHIN 27N66W TO 27N70W TO 26N73W TO
24N74W TO 24N68W TO 24N65W TO 27N66W NE WINDS 20 TO 25 KT. SEAS
2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 26N66W TO 27N75W TO 23N74W TO 23N69W TO
24N66W TO 26N66W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. WITHIN
27N75W TO 26N77W TO 27N80W TO 26N80W TO 26N77W TO 25N75W TO
27N75W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.CARIBBEAN WITHIN 12N64W TO 12N65W TO 11N66W TO 10N65W TO 11N64W
TO 12N64W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 13N70W TO 13N73W TO 13N74W TO 11N74W TO
11N72W TO 11N69W TO 13N70W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 13N70W TO 14N74W TO 12N76W TO 12N73W TO
10N72W TO 12N69W TO 13N70W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.GULF OF AMERICA WITHIN 30N94W TO 29N95W TO 29N97W TO 28N96W TO
28N95W TO 28N94W TO 30N94W E TO SE WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST WITHIN 29N90W TO 30N92W TO 30N95W TO 29N96W TO
27N95W TO 26N92W TO 29N90W E TO SE WINDS 25 TO 35 KT. SEAS LESS
THAN 2.5 M.
.48 HOUR FORECAST WITHIN 30N83W TO 30N86W TO 30N95W TO 27N97W TO
27N91W TO 28N83W TO 30N83W NE TO E WINDS 20 TO 30 KT. SEAS LESS
2.5 TO 3.5 M. WITHIN 27N95W TO 27N97W TO 23N98W TO 21N97W TO
22N96W TO 24N96W TO 27N95W N WINDS 20 TO 30 KT. SEAS BUILDING TO
2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER AL. NATIONAL HURRICANE CENTER.
$$