FZNT01 KWBC 142152
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SUN DEC 14 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC DEC 14.
24 HOUR FORECAST VALID 1800 UTC DEC 15.
48 HOUR FORECAST VALID 1800 UTC DEC 16.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN LOW 39N69W 1003 MB MOVING NE 35 KT AND
RAPIDLY INTENSIFYING. WITHIN 240 NM S OF A LINE FROM 43N56W TO
41N64W TO 37N72W WINDS 30 TO 45 KT. SEAS 2.5 TO 4.5 M. ELSEWHERE
W OF A LINE FROM 31N60W TO 39N50W TO 46N50W WINDS 25 TO 35 KT.
SEAS TO 4 M.
.12 HOUR FORECAST LOW 46N58W 987 MB. WITHIN AN AREA BOUNDED BY A
LINE FROM LOW TO 33N66W TO 34N56W TO 44N71W TO 44N40W TO 46N47W
TO LOW WINDS 35 TO 50 KT. SEAS 3 TO 6 M...HIGHEST NEAR 42N60W.
.24 HOUR FORECAST LOW 50N54W 963 MB. WITHIN 360 NM E OF A LINE
FROM 37N60W TO 43N50W WINDS 45 TO 60 KT. SEAS 5 TO 8 M. ELSEWHERE
WITHIN 180 NM N...300 NM NE...600 NM E...840 NM SE...960 NM
S...AND 180 NM W QUADRANTS WINDS 35 TO 50 KT. SEAS 3 TO 7
M...HIGHEST WITHIN 240 NM SE OF A LINE FROM 36N66W TO 43N50W TO
46N45W. ALSO FROM 31N TO 56N BETWEEN 74W AND A LINE FROM 31N45W
TO 39N35W TO 50N35W TO 56N56W WINDS 25 TO 35 KT. SEAS 2.5 TO 6
M...HIGHEST S OF CENTER.
.30 HOUR FORECAST LOW 50N53W 943 MB. WITHIN 150 NM SW AND NW
QUADRANTS WINDS 50 TO 65 KT. SEAS 4 TO 7 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 55N39W 930 MB AND
SECOND LOW 57N44W 939 MB. FROM 48N TO 53N BETWEEN 35W AND 46W
WINDS 65 TO 80 KT. SEAS 10 TO 17 M. ELSEWHERE WITHIN 420 NM
SE...480 NM S...AND 420 NM SW QUADRANTS OF MAIN LOW...AND WITHIN
300 NM SW AND 180 NM NW QUADRANTS OF SECOND LOW...AND WITHIN 120
NM N OF A LINE FROM 60N40W TO 58N45W WINDS 50 TO 65 KT. SEAS 5 TO
16 M...HIGHEST S OF MAIN CENTER. ALSO WITHIN 720 NM S...540 NM
SW...600 NM W AND N QUADRANTS OF MAIN LOW WINDS 35 TO 50 KT. SEAS
3 TO 11 M...HIGHEST S OF MAIN CENTER. OTHERWISE S OF 50N TO A
LINE FROM 40N65W TO 31N50W TO 31N40W TO 35N35W...AND FROM 50N TO
67N E OF 60W WINDS 25 TO 35 KT. SEAS 3 TO 8 M...EXCEPT SEAS TO
2.5 M IN THE GULF OF SAINT LAWRENCE...HIGHEST FROM 40N TO 60N E
OF 53W.
...GALE WARNING...
.LOW 60N38W 972 MB MOVING SE 20 KT. N OF 37N E OF 50W WINDS 25 TO
40 KT. SEAS 3 TO 8 M...HIGHEST FROM 44N TO 56N E OF 45W.
.24 HOUR FORECAST LOW AND CONDITIONS E OF AREA.
...GALE WARNING....
.N OF 50N BETWEEN 50W AND 63W AREA OF NW WINDS 25 TO 40 KT. SEAS
3 TO 6 M.
.24 HOUR FORECAST E OF A LINE FROM 50N35W TO 56N50W TO 62N50W TO
60N35W AREA OF NW WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST CONDITIONS ABSORBED BY COMPLEX LOW 55N39W
DESCRIBED ABOVE.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY W OF A LINE FROM 60N62W TO
65N57W TO 67N57W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF
A LINE FROM 46N64W TO 50N58W WITHIN THE GULF OF SAINT
LAWRENCE...AND W OF A LINE FROM 50N50W TO 54N50W TO 56N56W TO
63N53W TO 67N54W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N AND W OF A
LINE FROM 41N70W TO 45N62W...N OF 47N WITHIN THE GULF OF SAINT
LAWRENCE...AND NW OF A LINE FROM 54N56W TO 60N45W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 44N64W TO 44N58W TO 47N56W INCLUDING THE GULF OF SAINT
LAWRENCE...AND N AND W OF A LINE FROM 48N53W TO 52N52W TO 60N52W
TO 60N47W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 58N TO 64N
BETWEEN 37W AND 42W...AND WITHIN 180 NM N OF A LINE FROM 38N73W
TO 47N57W.
.24 HOUR FORECAST DENSE FOG FROM 56N TO 50N BETWEEN 44W AND
53W...FROM 50N TO 54N W OF 40W...AND FROM 47N TO 50N BETWEEN 53W
AND 62W.
.48 HOUR FORECAST DENSE FOG FROM 53N TO 60N BETWEEN 40W AND
50W...AND FROM 60N TO 62N BETWEEN 35W AND GREENLAND.
.FORECASTER EHRBAR. 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 SUN DEC 14.
24 HOUR FORECAST VALID 1800 UTC MON DEC 15.
48 HOUR FORECAST VALID 1800 UTC TUE DEC 16.
.WARNINGS.
...ATLC GALE WARNING...
.ATLC COLD FRONT APPROACH THE AREA. WITHIN 31N76W TO 31N80.5W TO
30N79.5W TO 30N77.5W TO 31N76W W WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.06 HOUR FORECAST COLD FRONT FROM 31N74W TO 27N80W. WITHIN
31N76W TO 31N79W TO 30.5N78.5W TO 30N77.5W TO 30.5N76.5W TO
31N76W N WINDS 30 TO 35 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN
31N74W TO 31N81W TO 29N81W TO 29N79W TO 30N75W TO 31N74W N WINDS
20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.18 HOUR FORECAST COLD FRONT FROM 31N63W TO 25N80W. WITHIN
31N64W TO 31N81W TO 25N80W TO 26N75W TO 29N67W TO 31N64W N TO NE
WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M. WITHIN 31N51W TO 31N64W TO
29N66W TO 27N66W TO 27N64W TO 29N54W TO 31N51W SW WINDS 20 TO 30
KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST COLD FRONT FROM 31N61W TO 23N80W. WITHIN
31N60W TO 31N81W TO 24N79W TO 24N72W TO 31N60W...INCLUDING
ATLANTIC EXPOSURES... N TO NE WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5
M. WITHIN 31N49W TO 31N59W TO 26N65W TO 25N62W TO 27N59W TO
31N49W SW TO W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST COLD FRONT FROM 31N52W TO 21N76W. WITHIN
31N45W TO 30N73W TO 27N78W TO 21N69W TO 31N45W WINDS 20 KT OR
LESS. SEAS 2.5 TO 4.0 M IN NW TO N SWELL.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 17N35W TO 24N41W TO 23N47W TO 14N47W TO 11N42W TO
12N35W TO 17N35W NE TO E WINDS 20 TO 25 KT. SEAS 3.5 TO 4.0 M.
ELSEWHERE WITHIN 31N37W TO 31N61W TO 22N70W TO 07N57W TO 07N35W
TO 31N37W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES AND
ATLANTIC EXPOSURES... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
NE TO E SWELL.
.24 HOUR FORECAST WITHIN 22N35W TO 22N38W TO 18N41W TO 15N41W TO
12N35W TO 22N35W NE TO E WINDS 20 TO 25 KT. SEAS 3.5 TO 4.0 M.
ELSEWHERE WITHIN 31N35W TO 31N45W TO 21N64W TO 07N58W TO 07N35W
TO 31N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES AND
ATLANTIC EXPOSURES... WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN
NE TO E SWELL.
.48 HOUR FORECAST WITHIN 23N35W TO 21N38W TO 20N39W TO 17N38W TO
16N35W TO 23N35W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE WITHIN 27N35W TO 22N57W TO 17N61W TO 07N57W TO 07N35W
TO 27N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES AND
ATLANTIC EXPOSURES... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
NE TO E SWELL.
.CARIBBEAN WITHIN 15N71W TO 17N76W TO 15N79W TO 12N80W TO 11N75W
TO 14N69W TO 15N71W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M IN E
SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.GULF OF AMERICA WITHIN 31N86W TO 29N91W TO 30N94W TO 28N97W TO
26N97W TO 28N86W TO 31N86W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO
3.0 M.
.24 HOUR FORECAST WITHIN 22N95W TO 25N97W TO 22N98W TO 19N96W TO
21N95W TO 22N95W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ... N WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE
WITHIN 27N87W TO 26N93W TO 24N97W TO 22N98W TO 23N88W TO 24N84W
TO 27N87W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NE
SWELL.
.42 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 AL. NATIONAL HURRICANE CENTER.
$$
