HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU DEC 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC DEC 25.
24 HOUR FORECAST VALID 0000 UTC DEC 26.
48 HOUR FORECAST VALID 0000 UTC DEC 27.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH FIRST CENTER 41N57W 983 MB MOVING NE 20 KT AND
SECOND CENTER 38N64W 996 MB MOVING E 35 KT. WITHIN 180 NM NW
SEMICIRCLE OF FIRST CENTER...WITHIN 180 NM W SEMICIRCLE OF SECOND
CENTER...AND FROM 37N TO 42N BETWEEN 51W AND 55W WINDS 40 TO 55
KT. SEAS 5 TO 7 M. ELSEWHERE S OF 45N BETWEEN 47W AND 72W WINDS
25 TO 40 KT. SEAS 4 TO 6 M.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 49N54W 968 MB AND
SECOND CENTER 42N45W 998 MB. WITHIN 180 NM NW OF A LINE FROM
50N55W TO 51N53W TO 53N49W...FROM 46N TO 54N BETWEEN 42W AND
49W...AND WITHIN 120 NM E OF A LINE FROM 40N46W TO 46N46W WINDS
40 TO 50 KT. SEAS 5 TO 8.5 M. ELSEWHERE FROM 36N TO 56N BETWEEN
36W AND 61W WINDS 25 TO 40 KT. SEAS 4 TO 7.5 M. ELSEWHERE S OF
55N E OF 60W WINDS TO 25 KT. SEAS 3 TO 5 M.
.36 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 53N54W 974 MB.
FROM 58N TO 60N BETWEEN 44W AND 50W WINDS 50 TO 65 KT. SEAS 5 TO
8 M.
.48 HOUR FORECAST LOW 57N54W 993 MB. WITHIN 180 NM W OF A LINE
FROM 54N54W TO 58N57W TO 63N55W...FROM 61N TO 63N BETWEEN 45W AND
53W...AND BETWEEN 60 NM AND 300 NM E QUADRANT WINDS 35 TO 50 KT.
SEAS 6 TO 10 M. ELSEWHERE N OF 52N BETWEEN 41W AND 64W...AND FROM
43N TO 64N E OF 41W WINDS 25 TO 35 KT. SEAS 4 TO 8 M.
...HURRICANE FORCE WIND WARNING...
.24 HOUR FORECAST NEW LOW 43N64W 998 MB AND RAPIDLY INTENSIFYING.
FROM 34N TO 45N BETWEEN 61W AND 76W WINDS 25 TO 35 KT. SEAS 3 TO
4.5 M.
.36 HOUR FORECAST LOW 42N56W 979 MB. FROM 39N TO 42N BETWEEN 58W
AND 61W...FROM 36N TO 42N BETWEEN 53W AND 57W...AND WITHIN 120 NM
NW QUADRANT WINDS 40 TO 50 KT. SEAS 4.5 TO 6.5 M.
.42 HOUR FORECAST LOW 42N56W 969 MB. WITHIN 120 NM W SEMICIRCLE
WINDS 50 TO 65 KT. SEAS 6 TO 8 M.
.48 HOUR FORECAST LOW 43N54W 972 MB. WITHIN 180 NM S
SEMICIRCLE...240 NM NW QUADRANT...AND WITHIN 90 NM NE OF A LINE
FROM 41N48W TO 47N54W WINDS 40 TO 55 KT. SEAS 5 TO 9 M. ELSEWHERE
S OF 51N BETWEEN 43W AND 66W WINDS 25 TO 40 KT. SEAS 4 TO 7 M.
...STORM WARNING...
.LOW 64N37W 976 MB MOVING NE 25 KT. WITHIN 60 NM W...AND 180 NM S
AND E QUADRANTS WINDS 40 TO 55 KT. SEAS 6 TO 11 M. ELSEWHERE N OF
52N E OF 43W WINDS 25 TO 40 KT. SEAS 4 TO 7 M.
.24 HOUR FORECAST LOW MOVED WELL N OF AREA. N OF 60N E OF 40W
WINDS 25 TO 35 KT. SEAS 3.5 TO 5 M.
.48 HOUR FORECAST CONDITIONS MOVED N OF AREA.
...GALE WARNING...
.LOW 50N42W 1009 MB MOVING E 30 KT. FROM 46N TO 52N BETWEEN 39W
AND 48W WINDS 25 TO 40 KT. SEAS 4 TO 6.5 M.
.24 HOUR FORECAST LOW DISSIPATED E OF AREA AND CONDITIONS
DIMINISHED.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY FROM 56N TO 62N W OF 61W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 46N W OF 50W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY FROM 58N TO
62N W OF 61W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY NW OF A
LINE FROM 47N65W TO 54N54W TO 66N53W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY FROM 55N TO
62N W OF 60W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY NW OF A
LINE FROM 42N71W TO 52N53W TO 59N58W TO 65N52W.
.SYNOPSIS AND FORECAST.
.S OF 45N BETWEEN 36W AND 45W WINDS LESS THAN 25 KT. SEAS 3.5 TO
4.5 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 45N
BETWEEN 51W AND 58W...AND N OF 62N BETWEEN 37W AND 41W.
.24 HOUR FORECAST DENSE FOG FROM 49N TO 55N BETWEEN 46W AND
60W...AND FROM 41N TO 44N BETWEEN 61W AND 65W. .
.48 HOUR FORECAST DENSE FOG FROM 39N TO 41N W OF 72W...FROM 43N
TO 48N BETWEEN 53W AND 58W...AND FROM 56N TO 65N BETWEEN 51W AND
61W.
.FORECASTER POCHE. 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 THU DEC 25.
24 HOUR FORECAST VALID 0000 UTC FRI DEC 26.
48 HOUR FORECAST VALID 0000 UTC SAT DEC 27.
.WARNINGS.
...ATLC GALE WARNING...
.COLD FRONT FROM 31N63W TO 30N74W TO 31N76W. W OF FRONT...
WITHIN 31N63W TO 31N72W TO 30N70W TO 29N67W TO 31N63W W TO NW
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M. E OF FRONT...WITHIN
31N54W TO 31N63W TO 30N64W TO 29N65W TO 30N62W TO 31N54W SW TO
W WINDS 20 TO 25 KT. SEAS 2.5 TO 4 M.
.09 HOUR FORECAST COLD FRONT FROM 31N57W TO 27N74W. W OF FRONT
...WITHIN 31N57W TO 31N62W TO 30.5N62W TO 30N60.5W TO 30N58W TO
31N57W NW WINDS 30 TO 35 KT. SEAS 4 TO 5.5 M IN NW SWELL.
ELSEWHERE W OF FRONT WITHIN 31N57W TO 31N62W TO 31N70W TO 27N69W
TO 28N62W TO 30N58W TO 31N57W NW TO N WINDS 20 TO 30 KT. SEAS 2.5
TO 3.5 M. E OF FRONT...WITHIN 31N52W TO 31N57W TO 28N62W TO
29N55W TO 30N54W TO 31N52W SW TO W WINDS 20 TO 25 KT. SEAS 2.5 TO
4 M.
.15 HOUR FORECAST COLD FRONT FROM 31N54W TO 27N60W TO 26N74W.
LITTLE CHANGE...EXCEPT WINDS LESS THAN GALE FORCE.
.24 HOUR FORECAST COLD FRONT FROM 31N50W TO 25N60W TO 25N73W.
NEW COLD FRONT OFF SE UNITED STATES. WITHIN 31N50W TO 31N60W TO
31N72W TO 27N72W TO 24N68W TO 23N56W TO 29N51W TO 31N50W WINDS 20
KT OR LESS...EXCEPT NW 20 TO 25 KT N OF 30N W OF FRONT TO 55W.
SEAS 3.5 TO 5 M IN NW SWELL. E OF FRONT...WITHIN 31N30W TO 31N42W
TO 31N50W TO 25N47W TO 19N44W TO 24N33W TO 27N32W TO 30N30W TO
31N29W WINDS 20 KT OR LESS...EXCEPT S WINDS 20 TO 25 KT N OF 29N
BETWEEN 35W AND 40W. SEAS 2.5 TO 3.5 M IN NW SWELL.
.48 HOUR FORECAST STATIONARY FRONT FROM 31N46W TO 27N52W TO
21N63W. NEW COLD FRONT FROM 31N57W TO 29N70W. W OF COLD
FRONT...WITHIN 31N57W TO 31N64W TO 29N61W TO 30N54W TO 31N57W SW
TO W WINDS 20 TO 25 KT. SEAS 3 TO 4 M IN NW TO N SWELL. E OF
FRONT...WITHIN 31N49W TO 31N57W TO 29N61W TO 30N53W TO 31N49W SW
TO W WINDS 20 TO 25 KT. SEAS 3 TO 4 M IN NW SWELL. ELSEWHERE
WITHIN 31N37W TO 31N52W TO 31N61W TO 31N71W TO 25N68W T0 19.5N68W
TO 21N50W TO 27N42W TO 31N52W WINDS 20 KT OR LESS. SEAS 2.5 TO
4.5 M IN NW TO N SWELL...HIGHEST N OF 30N BETWEEN 53W AND 64W.
.SYNOPSIS AND FORECAST.
.ATLC STATIONARY FRONT FROM 31N37W TO 26N45W TO 23N57W. WITHIN
31N37W TO 31N46W TO 31N54W TO 26N63W TO 23N73W TO 17N60W TO
21N46W TO 27N38W TO 31N37W WINDS 20 KT OR LESS. SEAS 2.5 TO 4 M
IN SWELL EXCEPT IN NW TO N SWELL W OF 50W...INCLUDING IN
ATLC EXPOSURES AND PASSAGES.
.24 HOUR FORECAST STATIONARY FRONT DISSIPATED. WITHIN 31N35W TO
31N45W TO 26N47W TO 19N43W TO 23N35W TO 31N35W WINDS 20 KT OR
LESS...EXCEPT S WINDS 20 TO 25 KT N OF 29N. SEAS 2.5 TO 3 M IN NW
SWELL.
.48 HOUR FORECAST CONDITIONS AS DESCRIBED IN PARAGRAPH ABOVE
WITH NEW COLD FRONT.
.CARIBBEAN WITHIN 19N74W TO 20N74W TO 19N76W TO 17N78W TO 18N76W
TO 19N74W...INCLUDING THE WINDWARD PASSAGE AND WATERS BETWEEN
CUBA AND JAMAICA...NE WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.CARIBBEAN WITHIN 12N74W TO 12N76W TO 11N78W TO 10N76W TO 11N74W
TO 12N74W NE WINDS 20 TO 25 KT. SEAS 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
.CARIBBEAN WITHIN 18N70W TO 18N71W TO 17N71W TO 16N70W TO 18N70W
NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST 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 AGUIRRE. NATIONAL HURRICANE CENTER.
$$