FZNT01 KWBC 151620
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC MON DEC 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC DEC 15.
24 HOUR FORECAST VALID 1200 UTC DEC 16.
48 HOUR FORECAST VALID 1200 UTC DEC 17.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 47N57W 976 MB MOVING NE 25 KT AND
RAPIDLY INTENSIFYING. FRONT EXTENDS FROM 47N54W TO 40N57W TO
31N63W. FROM 35N TO 39N BETWEEN 65W AND WITHIN 240 NM E OF FRONT
FROM 34N TO 43N WINDS 35 TO 50 KT. SEAS 3 TO 6.5 M...HIGHEST
NEAR 36N67W. ELSEWHERE S OF 51N BETWEEN 60W AND 77W...WITHIN 360
NM N AND NE QUADRANTS AND BETWEEN THE FRONT AND A LINE FROM
49N45W TO 46N37W TO 32N58W...INCLUDING WITHIN THE GULF OF SAINT
LAWRENCE WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M...EXCEPT SEAS TO
2.5 M WITHIN THE GULF OF SAINT LAWRENCE.
.12 HOUR FORECAST LOW 50N53W 946 MB. WITHIN 300 NM S AND 240 NM
SW QUADRANTS WINDS 50 TO 65 KT. SEAS 5 TO 9 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 53N43W 935 MB.
BETWEEN 60 NM AND 420 NM SE AND S QUADRANTS...AND BETWEEN 120 NM
AND 360 NM W QUADRANT WINDS 55 TO 75 KT. SEAS 8.5 TO 15
M...HIGHEST S AND SE OF CENTER. ALSO FROM 43N TO 55N E OF 56W
AND BETWEEN 240 NM AND 480 NM N QUADRANT WINDS 40 TO 55 KT. SEAS
5 TO 9.5 M...EXCEPT N OF 55N SEAS 3 TO 6.5 M. ELSEWHERE WITHIN
660 NM OF LOW EXCEPT 720 NM S QUADRANT AND WITHIN 240 NM E OF A
FRONT FROM 42N35W TO 35N45W WINDS 25 TO 40 KT. SEAS 3 TO 7
M...EXCEPT N OF 61N SEAS TO 3 M. OTHERWISE S OF 41N BETWEEN 45W
AND 70W WINDS 20 TO 30 KT. SEAS 2.5 TO 5.5 M...EXCEPT SEAS TO 3
M WITHIN THE GULF OF SAINT LAWRENCE.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA NEAR
60N31W 940 MB. BETWEEN 240 NM AND 420 NM SW AND W QUADRANTS
WINDS 50 TO 65 KT. SEAS 7 TO 13 M...HIGHEST NEAR 55N35W. ALSO
WITHIN 420 NM NW AND 600 NM W AND SW QUADRANTS WINDS 35 TO 50
KT. SEAS 4.5 TO 11 M...HIGHEST ALONG 35W S OF CENTER. ELSEWHERE
N OF 41N E OF 53W WINDS 25 TO 40 KT. SEAS 3 TO 9 M. OTHERWISE S
OF 41N E OF 55W WINDS TO 25 KT. SEAS 2.5 TO 6 M.
...GALE WARNING...
.LOW 60N42W 984 MB NEARLY STATIONARY. WITHIN 240 NM W QUADRANT
AND WITHIN 300 NM SW AND S OF A LINE FROM LOW TO 57N35W WINDS 25
TO 40 KT. SEAS 3.5 TO 6.5 M. ELSEWHERE...EXCEPT WHERE DESCRIBED
WITH HURRICANE FORCE WIND WARNING ABOVE...N OF A LINE FROM
39N35W TO 49N45W TO 58N61W WINDS TO 25 KT. SEAS 2.5 TO 6
M...HIGHEST NEAR 52N35W.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
53N43W IN HURRICANE FORCE WIND WARNING ABOVE.
...GALE WARNING...
.48 HOUR FORECAST INLAND LOW 53N74W 979 MB. FROM 42N TO 45N W OF
65W AREA OF SW WINDS 25 TO 35 KT. SEAS TO 3 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY NW AND W OF A LINE FROM 57N61W
TO 67N54W AND WITHIN THE GULF OF SAINT LAWRENCE N OF 48N.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY WITHIN THE GULF OF
SAINT LAWRENCE...N OF A LINE FROM 40N74W TO 45N65W...AND NW OF A
LINE FROM 51N56W TO 55N55W TO 61N47W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY WITHIN THE
GULF OF SAINT LAWRENCE NW OF A LINE FROM 47N63W TO 51N57W AND W
OF A LINE FROM 54N57W TO 61N61W TO 67N57W. ELSEWHERE LIGHT TO
MODERATE FREEZING SPRAY FROM 44N TO 52N BETWEEN 56W AND
70W...INCLUDING WITHIN THE GULF OF SAINT LAWRENCE AND BAY OF
FUNDY...N OF 50N W OF 55W...AND N OF 61N WITHIN 120 NM W OF
GREENLAND.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 52N53W TO 61N61W TO 67N57W. ELSEWHERE LIGHT TO MODERATE
FREEZING SPRAY FROM 47N TO 55N BETWEEN 48W AND 58W...N OF 55N W
OF 55W AND WITHIN 90 NM W OF GREENLAND N OF 64N.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 51N
BETWEEN 40W AND 61W42W...AND FROM 61N TO 63N E OF 38W.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM N AND NW OF A LINE
FROM 57N35W TO 56N44W TO 51N48W...AND FROM 51N TO 54N BETWEEN
39W AND 44W.
.48 HOUR FORECAST DENSE FOG FROM 55N TO 65N BETWEEN 37W AND 43W
AND FROM 63N TO 65N E OF 37W.
.FORECASTER BANCROFT. 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 1200 UTC MON DEC 15.
24 HOUR FORECAST VALID 1200 UTC TUE DEC 16.
48 HOUR FORECAST VALID 1200 UTC WED DEC 17.
.WARNINGS.
...ATLC GALE WARNING...
.ATLC WITHIN 31N66W TO 31N73W TO 30N72W TO 30N69W TO 31N66W NW
TO N WINDS 30 TO 35 KT. SEAS 3.5 TO 4.5 M. ELSEWHERE WITHIN
31N64W TO 31N81W TO 26N80W TO 25N77W TO 28N69W TO
31N64W N WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. WITHIN 31N53W TO
31N64W TO 29N65W TO 28N63W TO 28N60W TO 31N53W SW WINDS 20 TO 30
KT. SEAS 2.5 TO 3.5 M.
.06 HOUR FORECAST WITHIN 31N62W TO 31N81W TO 25N78W TO 24N73W TO
26N68W TO 31N62W...INCLUDING ATLANTIC EXPOSURES... N TO NE WINDS
20 TO 30 KT. SEAS 2.5 TO 4.5 M. WITHIN 31N50W TO 31N62W TO
29N64W TO 28N59W TO 30N52W TO 31N50W SW TO W WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST WITHIN 26N65W TO 28N68W TO 26N72W TO 24N73W TO
23N72W TO 24N68W TO 26N65W NE WINDS 20 TO 25 KT. SEAS 3.5 TO 4.5
M. ELSEWHERE WITHIN 31N50W TO 31N76W TO 29N79W TO 23N75W TO
23N68W TO 31N50W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NW TO
N SWELL.
.48 HOUR FORECAST WITHIN 31N52W TO 31N58W TO 28N68W TO 25N69W TO
24N65W TO 28N54W TO 31N52W NE TO E WINDS 20 TO 25 KT. SEAS 2.5
TO 3.5 M. ELSEWHERE WITHIN 31N40W TO 31N67W TO 26N76W TO 21N69W
TO 19N62W TO 26N46W TO 31N40W WINDS 20 KT OR LESS. SEAS 2.5 TO
3.0 M IN NW TO N SWELL.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 26N35W TO 22N54W TO 16N54W TO 07N50W TO 07N35W TO
26N35W E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.0 M. ELSEWHERE WITHIN
31N35W TO 31N47W TO 25N66W TO 06N55W TO 07N35W TO
31N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES AND
ATLANTIC EXPOSURES... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
E SWELL.
.24 HOUR FORECAST WITHIN 25N35W TO 23N40W TO 15N50W TO 07N49W TO
07N35W TO 25N35W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.0 M.
ELSEWHERE WITHIN 30N35W TO 26N52W TO 19N61W TO 08N58W TO 07N35W
TO 30N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES AND
ATLANTIC EXPOSURES... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN
E SWELL.
.48 HOUR FORECAST WITHIN 24N35W TO 21N42W TO 17N43W TO 14N41W TO
12N35W TO 24N35W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.
ELSEWHERE WITHIN 26N35W TO 17N61W TO 07N58W TO 07N35W TO
26N35W...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 36 HOUR FORECAST WITHIN 13N73W TO 13N75W TO 12N76W TO
10N76W TO 11N74W TO 12N72W TO 13N73W NE TO E WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 13N75W TO 12N77W TO 10N77W TO 10N76W TO
11N75W TO 11N73W TO 13N75W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO
3.0 M.
.GULF OF AMERICA WITHIN 27N82W TO 30N84W TO 30N89W TO 26N97W TO
21N97W TO 25N85W TO 27N82W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ... NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M. WITHIN
25N81W TO 26N82W TO 25N83W TO 24N83W TO 25N82W TO 24N82W TO
25N81W NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 25N79W TO 25N82W TO 25N84W TO 23N84W TO
23N80W TO 24N79W TO 25N79W...INCLUDING STRAITS OF FLORIDA... NE
TO E WINDS 20 TO 25 KT. SEAS TO 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 AL. NATIONAL HURRICANE CENTER.
