HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SUN DEC 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 28.
24 HOUR FORECAST VALID 1800 UTC DEC 29.
48 HOUR FORECAST VALID 1800 UTC DEC 30.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH FIRST CENTER 39N50W 972 MB MOVING N 10 KT AND
SECOND CENTER 41N50W 980 MB MOVING N 05 KT. WITHIN 120 NM SW
SEMICIRCLE OF FIRST CENTER WINDS 50 TO 75 KT. SEAS 5 TO 8 M.
ELSEWHERE FROM 35N TO 53N BETWEEN 45W AND 53W WINDS 40 TO 50 KT.
SEAS 3 TO 6 M. ALSO S OF 45N BETWEEN 41W AND 68W WINDS 25 TO 40
KT. SEAS 3 TO 5.5. M.
.24 HOUR FORECAST COMBINED LOW 43N50W 974 MB. WITHIN 300 NM SW
QUADRANT AND WITHIN 180 NM NE AND E OF FRONT TO EXTEND FROM
47N46W TO 41N40W WINDS 40 TO 50 KT. SEAS 4 TO 7 M. ELSEWHERE S OF
53N E OF 61W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW 41N43W 997 MB. WITHIN 240 NM N OF A LINE
FROM 50N49W TO 44N35W WINDS 30 TO 45 KT. SEAS 4 TO 7.5 M.
ELSEWHERE S OF A LINE FROM 61N49W TO 54N35W...EXCEPT WITHIN 360
NM NE SEMICIRLCE...WINDS 25 TO 40 KT. SEAS 3 TO 6.5 M. ALSO
WITHIN 360 NM NE SEMICIRCLE WINDS LESS THAN 25 KT. SEAS 3 TO 5
M.
...STORM WARNING...
.LOW 50N56W 983 MB MOVING N 20 KT. WITHIN 180 NM S AND SW OF
GREENLAND COAST S OF 62N AND W OF 43W WINDS 40 TO 50 KT. SEAS 5
TO 7.5 M. ELSEWHERE N OF 45N W OF 35W...NOT INCLUDING THE WATERS
E OF GREENLAND...WINDS 25 TO 40 KT. SEAS 3 TO 6.5 M...HIGHEST
NEAR 53N52W.
.24 HOUR FORECAST LOW ABSORBED BY NEW LOW 61N63W 998 MB. WITHIN
120 NM S AND W OF GREENLAND COAST S OF 64N AND W OF 43W WINDS 40
TO 55 KT. SEAS 4.5 TO 8.5 M. ELSEWHERE N OF 53N BETWEEN 58W AND
35W...NOT INCLUDING THE WATERS E OF GREENLAND...WINDS 25 TO 40
KT. SEAS 3 TO 6 M. ALSO WITHIN 300 NM E SEMICIRCLE WINDS TO 25
KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED N OF AREA.
...GALE WARNING...
.24 HOUR FORECAST LOW WELL INLAND. S OF 45N W OF 64W WINDS 25 TO
40 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW ABSORBED BY NEW LOW 50N66W 979 MB. WITHIN
780 NM NE QUADRANT WINDS 30 TO 45 KT. SEAS 3.5 TO 7 M. ELSEWHERE
S OF 65N BETWEEN 49W AND 76W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY FROM 57N TO 61N W OF 62W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY WITHIN THE GULF OF
SAINT LAWRENCE W OF 61W AND W OF A LINE FROM 56N61W TO 67N57W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY WITHIN THE GULF OF SAINT
LAWRENCE W OF 59W AND W OF A LINE FROM 54N55W TO 61N62W.
.48 HOUR FORECAST LIGHT FREEZING SPRAY W AND NW OF A LINE FROM
42N70W TO 45N66W AND N OF 66N W OF GREENLAND.
.SYNOPSIS AND FORECAST.
.EXCEPT WHERE DESCRIBED IN WARNINGS SECTION ABOVE...S OF 46N E OF
41W WINDS LESS THAN 25 KT. SEAS 3 TO 4.5 M.
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 43N50W IN
WARNINGS SECTION ABOVE.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM W OF A LINE FROM
48N52W TO 54N53W TO 59N60W TO 67N54W.
.24 HOUR FORECAST DENSE FOG N OF 60N W OF 52W...FROM 46N TO 59N
BETWEEN 47W AND 53W...AND NW OF A LINE FROM 41N70W TO 44N64W.
.48 HOUR FORECAST DENSE FOG WITHIN 240 NM SW OF A LINE FROM
48N48W TO 60N60W AND WITHIN 60 NM OF 63N56W.
.FORECASTER JOSEPH. 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 28.
24 HOUR FORECAST VALID 1800 UTC MON DEC 29.
48 HOUR FORECAST VALID 1800 UTC TUE DEC 30.
.WARNINGS.
...ATLANTIC GALE WARNING...
.ATLC COLD FRONT FROM 31N495.W TO 25N62.5W TO 27.5N75.5W. SECOND
COLD FRONT FROM 31N51W TO 27.5N64W TO 31N74.5W. S AND E OF SECOND
COLD FRONT WITHIN 31N42W TO 31N50W TO 25N61W TO 24N55W TO 27N46W
TO 31N42W SW TO W WINDS 20 TO 30 KT. SEAS 3.5 TO 4.5 M. NEAR AND
N OF SECOND COLD FRONT WITHIN 31N50W TO 30N64W TO 26N62W TO
29N54W TO 31N50W NW WINDS 20 TO 30 KT. SEAS 4.0 TO 5.0 M.
ELSEWHERE WITHIN 31N35W TO 31N74W TO 21N64W TO 19N59W TO 21N44W
TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN NW TO N
SWELL.
.18 HOUR FORECAST COLD FRONTS MERGED. COLD FRONT FROM 31N41W TO
21.5N55.5W TO 23N70W. E OF COLD FRONT WITHIN 31N39W TO 31N41W TO
28N42W TO 29N40W TO 31N39W SW TO W WINDS 30 TO 35 KT. SEAS 4.0 TO
5.0 M. ELSEWHERE WITHIN 31N35W TO 31N39W TO 29N42W TO 24N48W TO
24N43W TO 26N39W TO 31N35W SW WINDS 20 TO 30 KT. SEAS 3.5 TO 4.5
M. W OF COLD FRONT WITHIN 31N42W TO 31N59W TO 26N54W TO 26N45W TO
31N42W NW WINDS 20 TO 30 KT. SEAS 5.0 TO 5.5 M. REMAINDER OF
AREA WITHIN 31N35W TO 26N54W TO 31N68W TO 23N65W TO 20N50W TO
22N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 5.0 M IN N
SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N38W TO 21N55W TO 21N60W. E
OF COLD FRONT WITHIN 30N35W TO 31N35W TO 31N38W TO 27N40W TO
23N45W TO 24N40W TO 30N35W SW TO W WINDS 20 TO 30 KT. SEAS 2.5 TO
4.5 M. W OF COLD FRONT WITHIN 31N38W TO 31N56W TO 28N52W TO
28N42W TO 31N38W W TO NW WINDS 20 TO 30 KT. SEAS 5.0 TO 6.0 M.
ELSEWHERE WITHIN 29N35W TO 28N49W TO 31N65W TO 23N65W TO 20N54W
TO 24N35W TO 29N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 5.0 M IN N
SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N29W TO 19N50W TO 20.5N60W.
W OF COLD FRONT WITHIN 31N35W TO 31N41W TO 30N40W TO 30N39W TO
30N36W TO 31N35W W WINDS 20 TO 25 KT. SEAS 4.0 TO 5.5 M.
ELSEWHERE WITHIN 31N35W TO 31N61W TO 23N63W TO 14N55W TO 22N35W
TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 5.5 M IN NW TO N
SWELL.
...GULF OF AMERICA GALE WARNING...
.GULF OF AMERICA 15 HOUR FORECAST COLD FRONT FROM 29N91W TO
26.5N97.5W. WITHIN 29N93W TO 30N95W TO 29N95W TO 28N97W TO
27N97W TO 29N93W N TO NE WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST COLD FRONT FROM 30N86W TO 25.5N97.5W. WITHIN
29N92W TO 29N94W TO 28N97W TO 27N97W TO 28N93W TO 29N92W N TO NE
WINDS 30 TO 35 KT. SEAS LESS THAN 2.5 M. ELSEWHERE WITHIN 29N91W
TO 30N92W TO 30N95W TO 28N97W TO 26N97W TO 28N91W TO 29N91W N TO
NE WINDS 20 TO 30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST COLD FRONT FROM 29.5N83.5W TO 23N97.5W. WITHIN
30N88W TO 28N97W TO 25N97W TO 27N93W TO 30N88W N TO NE WINDS 20
TO 30 KT. SEAS 2.5 TO 3.5 M. ELSEWHERE WITHIN 28N86W TO 29N94W TO
28N97W TO 27N92W TO 25N97W TO 23N98W TO 28N86W N TO NE WINDS 20
TO 30 KT. SEAS LESS THAN 2.5 M.
.27 HOUR FORECAST COLD FRONT FROM 29N83W TO 23N75W TO 21N97W.
WITHIN 23.5N97W TO 24N97W TO 24.5N97.5W TO 22.5N98W TO 22N97W TO
22.5N97W TO 23.5N97W NW TO N WINDS 30 TO 40 KT. SEAS 2.5 TO 3.5
M. ELSEWHERE WITHIN 29N88W TO 28N92W TO 28N96W TO 24N98W TO
24N97W TO 25N93W TO 29N88W N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO
3.5 M. REMAINDER OF AREA WITHIN 30N87W TO 30N93W TO 28N96W TO
22N98W TO 24N94W TO 26N89W TO 30N87W N TO NE WINDS 20 TO 30 KT.
SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST COLD FRONT FROM 24.5N80W TO 21N90W TO
18.5N93.5W. WITHIN 21N96W TO 20N97W TO 19N96W TO 18N95W TO 19N94W
TO 21N96W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ...NW
WINDS 30 TO 40 KT. SEAS 4.5 TO 6.0 M. ELSEWHERE WITHIN 24N85W TO
24N92W TO 23N97W TO 21N97W TO 18N95W TO 21N93W TO 24N85W N WINDS
20 TO 30 KT. SEAS 3.5 TO 5.5 M. REMAINDER OF AREA WITHIN 27N86W
TO 27N96W TO 22N98W TO 24N92W TO 24N85W TO 27N86W WINDS 20 KT OR
LESS. SEAS 2.5 TO 5.5 M IN N SWELL.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 13N48W TO 13N53W TO 11N57W TO 06N52W TO 07N42W TO
09N46W TO 13N48W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO
N SWELL.
.24 HOUR FORECAST WITHIN 18N35W TO 23N35W TO 18N47W TO 14N60W TO
06N52W TO 18N35W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 10N46W TO 09N48W TO 09N55W TO 08N56W TO
06N53W TO 07N38W TO 10N46W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW
TO N SWELL.
.ATLC 24 HOUR FORECAST COLD FRONT N OF AREA. WITHIN 31N74W TO
31N80W TO 30N79W TO 30N78W TO 30N77W TO 30N75W TO 31N74W SW TO W
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST COLD FRONT FROM 31N69.5W TO 24.5N80W. WITHIN
31N57W TO 31N62W TO 31N66W TO 30N68W TO 29N67W TO 30N64W TO
31N57W SW TO W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE
WITHIN 31N66W TO 31N76W TO 29N76W TO 27N77W TO 29N71W TO 29N68W
TO 31N66W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.CARIBBEAN WITHIN 14N71W TO 15N72W TO 14N76W TO 12N76W TO 11N74W
TO 12N72W TO 14N71W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M. ELSEWHERE WITHIN 14N75W TO 15N78W TO 15N80W TO 13N79W TO
10N78W TO 11N75W TO 14N75W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M
IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 12N76W TO 13N77W TO 12N78W TO 11N78W TO
11N76W TO 12N76W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
ELSEWHERE WITHIN 14N76W TO 13N78W TO 14N79W TO 14N81W TO 10N79W
TO 11N75W TO 14N76W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE
TO E SWELL.
.48 HOUR FORECAST WITHIN 12N77W TO 12N78W TO 12N79W TO 10N79W TO
10N78W TO 11N77W TO 12N77W WINDS 20 KT OR LESS. SEAS 2.5 M IN NE
TO E SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.
$$