HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE DEC 02 2025
CCODE/2:31:04:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 0600 UTC DEC 02.
24 HOUR FORECAST VALID 0600 UTC DEC 03.
48 HOUR FORECAST VALID 0600 UTC DEC 04.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.LOW 55N52W 981 MB MOVING NE 25 KT. WITHIN 240 NM W SEMICIRCLE
AND WITHIN 420 NM SE QUADRANT WINDS 40 TO 55 KT. SEAS 4 TO 6 M.
ALSO FROM 40N TO 58N BETWEEN 39W AND 56W WINDS 25 TO 40 KT. SEAS
3 TO 5 M.
.12 HOUR FORECAST LOW 57N47W 972 MB. WITHIN 240 NM SW SEMICIRCLE
AREA OF W TO NW WINDS 50 TO 65 KT. SEAS 7 TO 11 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 58N38W 967 MB.
WITHIN 360 NM S AND 420 NM W QUADRANTS WINDS 50 TO 65 KT. SEAS 7
TO 12 M. ALSO WITHIN 480 NM S AND W...AND WITHIN 420 NM N
QUADRANTS WINDS 35 TO 50 KT. SEAS 4 TO 8 M. AND WITHIN 660 NM
S...AND 600 NM W AND NW QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 6
M. ELSEWHERE WITHIN 720 NM S AND SW QUADRANTS WINDS TO 25 KT.
SEAS 3 TO 5 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA 56N31W
991 MB. WITHIN 60 NM EITHER SIDE OF A LINE FROM 65N36W TO 62N41W
TO 57N45W AREA OF N TO NE WINDS 35 TO 50 KT. SEAS 5 TO 8 M. ALSO
N OF 58N E OF GREENLAND...AND FROM 53N TO 61N BETWEEN 41W AND
50W WINDS 25 TO 35 KT. SEAS 4 TO 7 M. ELSEWHERE WITHIN 360 NM W
QUADRANT WINDS TO 25 KT. SEAS 6 TO 11 M IN W TO NW SWELL.
...STORM WARNING...
.06 HOUR FORECAST LOW 35N78W 1010 MB. S OF 36N W OF 72W AREA OF
S WINDS 25 TO 35 KT. SEAS TO 4 M.
.12 HOUR FORECAST LOW 38N74W 998 MB. WITHIN 300 NM SE AND S
QUADRANTS AREA OF S TO SW WINDS 35 TO 50 KT. SEAS 3 TO 5 M.
.24 HOUR FORECAST LOW 42N66W 988 MB. FROM 35N TO 43N BETWEEN 60W
AND 68W WINDS 40 TO 50 KT. SEAS 4 TO 6 M. ELSEWHERE WITHIN 420
NM NE...600 NM SE...660 NM SW...AND 180 NM NW QUADRANTS WINDS 25
TO 40 KT. SEAS 3 TO 5 M.
.48 HOUR FORECAST LOW 48N48W 977 MB. FROM 42N TO 51N E OF 52W
WINDS 40 TO 60 KT...HIGHEST WITHIN 300 NM S SEMICIRCLE OF LOW.
SEAS 6 TO 10 M. ALSO FROM 37N TO 52N E OF 54W WINDS 25 TO 40 KT.
SEAS 4 TO 8 M. ELSEWHERE WITHIN 480 NM NE...720 NM SE...600 NM
SW...AND 360 NM NW QUADRANTS WINDS 20 TO 30 KT. SEAS 3 TO 6 M.
...STORM WARNING...
.12 HOUR FORECAST NEW LOW 55N37W 978 MB. WITHIN 240 NM SE
QUADRANT WINDS 40 TO 50 KT. SEAS 4 TO 7 M.
.24 HOUR FORECAST LOW E OF AREA 58N33W 976 MB. ASSOCIATED
CONDITIONS MOVED E OF AREA.
...GALE WARNING...
.LOW 61N57W 993 MB MOVING N 25 KT AND WILL TURN NW AFTER 06
HOURS. EXCEPT AS DESCRIBED WITH LOW 55N52W ABOVE...WITHIN 240 NM
S QUADRANT WINDS 25 TO 40 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW DISSIPATED NW OF AREA. CONDITIONS
DESCRIBED WITH LOW 58N38W ABOVE.
...GALE WARNING...
.LOW 65N63W 995 MB MOVING NW 15 KT. WITHIN 180 NM NE AND E
QUADRANTS AREA OF SE WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW DISSIPATED INLAND. CONDITIONS DIMINISHED.
...GALE WARNING...
.LOW 60N40W 1003 MB MOVING E 10 KT. BETWEEN 120 NM AND 300 NM NE
QUADRANT AREA OF NE WINDS 25 TO 35 KT. SEAS 4 TO 6 M. ELSEWHERE
WITHIN 120 NM NE AND 360 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS
5 TO 9 M...EXCEPT 4 TO 6 M NE QUADRANT.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 58N38W
ABOVE.
...GALE WARNING...
.42 HOUR FORECAST NEW LOW JUST NW OF AREA 67N64W 994 MB. WITHIN
180 NM SE QUADRANT AREA OF S WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW MOVED WELL NW OF AREA. N OF 65N W OF 59W
AREA OF S WINDS 25 TO 35 KT. SEAS TO 4 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY W OF A LINE FROM 52N53W TO
61N63W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 64N E OF
GREENLAND...WITHIN 60 NM EITHER SIDE OF A LINE FROM 45N67W TO
45N61W...WITHIN THE GULF OF SAINT LAWRENCE...W OF A LINE FROM
50N54W TO 53N53W TO 64N59W...BETWEEN THE GREENLAND COAST AND A
LINE FROM 59N45W TO 64N54W...AND N OF 64N W OF GREENLAND.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 54N53W TO 61N63W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF 65N E OF GREENLAND...WITHIN THE GULF OF SAINT
LAWRENCE W AND NW OF A LINE FROM 48N65W TO 50N58W...W OF A LINE
FROM 50N48W TO 55N47W TO 66N59W...BETWEEN THE GREENLAND COAST
AND A LINE FROM 64N52W TO 66N54W...AND N OF 66N W OF GREENLAND.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 65N W OF
60W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 64N E OF
GREENLAND...IN THE GULF OF SAINT LAWRENCE NW OF A LINE FROM
48N65W TO 50N58W...AND W AND NW OF A LINE FROM 51N56W TO 54N53W
TO 61N52W TO 61N48W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 48N
BETWEEN 46W AND 50W...WITHIN 60 NM OF 61N42W...FROM 62N TO 65N E
OF 36W...N OF 65N W OF 61W...AND WITHIN AN AREA BOUNDED BY A
LINE FROM 54N55W TO 63N60W TO 62N55W TO 55N41W TO 53N43W TO
54N55W.
.24 HOUR FORECAST DENSE FOG WITHIN 300 NM N OF A LINE FROM
42N71W TO 46N57W...N OF 66N W OF 62W...WITHIN 90 NM EITHER SIDE
OF A LINE FROM 64N57W TO 56N45W...AND FROM 56N TO 65N BETWEEN
38W AND 45W.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 53N E OF 52W...FROM 55N
TO 60N BETWEEN 43W AND 48W...AND FROM 60N TO 65N BETWEEN THE
GREENLAND COAST AND 39W.
.FORECASTER FIGURSKEY. OCEAN PREDICTION CENTER.
NATIONAL HURRICANE CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA
SYNOPSIS VALID 0600 UTC TUE DEC 2.
24 HOUR FORECAST VALID 0600 UTC WED DEC 3.
48 HOUR FORECAST VALID 0600 UTC THU DEC 4.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC STATIONARY FRONT E OF FLORIDA. WITHIN 31N74W TO 31N81W TO
28N80W TO 27N79W TO 31N74W SE TO S WINDS 20 TO 25 KT. SEAS TO 2.5
M.
.24 HOUR FORECAST COLD FRONT FROM 31N75W TO 28N81W. WITHIN
31N71W TO 31N75W TO 30N75W TO 30N73W TO 30N72W TO 30N71W TO
31N71W SW TO W WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE
WITHIN 31N71W TO 31N79W TO 30N78W TO 29N75W TO 30N74W TO 30N71W
TO 31N71W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN MIXED SWELL.
.42 HOUR FORECAST COLD FRONT FROM 31N66W TO 23N80W. CONDITIONS
IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.ATLC TROUGH ALONG 28N61W TO 16N63W. WITHIN 19N35W TO 21N47W TO
26N51W TO 23N55W TO 14N45W TO 14N35W TO 19N35W E WINDS 20 TO 25
KT. SEAS 3 TO 3.5 M. ELSEWHERE WITHIN 30N35W TO 29N62W TO 23N66W
TO 07N44W TO 12N35W TO 30N35W WINDS 20 KT OR LESS. SEAS 2.5 TO
3 M IN E SWELL.
.24 HOUR FORECAST TROUGH FROM 28N67W TO 19N68W. WITHIN 19N45W TO
19N49W TO 14N48W TO 12N45W TO 12N36W TO 14N37W TO 19N45W NE TO E
WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE WITHIN 31N35W TO
26N45W TO 31N62W TO 13N59W TO 09N54W TO 10N35W TO 31N35W WINDS 20
KT OR LESS. SEAS 2.5 TO 3 M IN NE TO E SWELL.
.48 HOUR FORECAST TROUGH FROM 28N65W TO 19N70W. WITHIN 14N47W TO
15N53W TO 14N55W TO 10N52W TO 10N44W TO 11N44W TO 14N47W NE TO E
WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE WITHIN 31N35W TO
23N47W TO 23N57W TO 12N61W TO 07N47W TO 08N35W TO 31N35W WINDS 20
KT OR LESS. SEAS 2.5 TO 3 M IN NE TO E SWELL.
.GULF OF AMERICA COLD FRONT FROM 29N91W TO 26N98W. WITHIN 30N92W
TO 30N95W TO 28N97W TO 22N98W TO 20N97W TO 26N93W TO
30N92W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ...NW TO N
WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.24 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 DELGADO. NATIONAL HURRICANE CENTER.