FZNT01 KWBC 301620
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC TUE DEC 30 2025
CCODE/1:31:04:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 30.
24 HOUR FORECAST VALID 1200 UTC DEC 31.
48 HOUR FORECAST VALID 1200 UTC JAN 01.
.WARNINGS.
...STORM WARNING...
.COMPLEX LOW WITH MAIN LOW 44N46W 990 MB MOVING SE 35 KT AND
SECOND LOW 44N40W 992 MB MOVING NW 10 KT. WITHIN 300 NM N AND NE
OF A FRONT FROM 51N54W TO THE SECOND LOW TO 43N35W WINDS 35 TO 50
KT. SEAS 5 TO 8 M...HIGHEST NEAR 47N42W. ELSEWHERE WITHIN 720 NM
S QUADRANT AND S OF 57N E OF 55W WINDS 25 TO 40 KT. SEAS 3.5 TO
6.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW E OF AREA 37N28W 1003
MB. S OF 47N E OF 45W WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M.
.48 HOUR FORECAST COMPLEX LOW AND CONDITIONS MOVED E OF AREA.
...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 47N65W 972 MB INTENSIFYING AND
MOVING N 25 KT THROUGH 06 HOURS THEN TURNING NW. WITHIN 780 NM S
QUADRANT AND WITHIN 240 NM E QUADRANT WINDS 35 TO 45 KT. SEAS 3
TO 6 M...EXCEPT TO 3 M IN THE GULF OF SAINT LAWRENCE. ELSEWHERE
WITHIN 300 NM NE SEMICIRCLE AND WITHIN 960 NM S QUADRANT WINDS 25
TO 35 KT. SEAS 2.5 TO 5 M.
.12 HOUR FORECAST INLAND LOW NEAR 53N68W 964 MB. WITHIN 840 NM NE
QUADRANT WINDS 35 TO 50 KT. SEAS 4 TO 8 M.
.24 HOUR FORECAST INLAND LOW NEAR 56N75W 956 MB. WITHIN 300 NM NE
OF A LINE FROM 61N63W TO 54N49W AND WITHIN 240 NM NE OF A LINE
FROM 54N49W TO 50N44W WINDS 35 TO 50 KT. SEAS 4.5 TO 9 M.
ELSEWHERE N AND NW OF A LINE FROM 37N70W TO 41N54W TO 51N54W TO
52N49W TO 46N39W TO 49N36W TO 60N44W TO 67N57W WINDS 25 TO 40 KT.
SEAS 3 TO 6 M.
.48 HOUR FORECAST INLAND LOW 58N82W 969 MB. N OF 55N W OF 44W
WINDS 25 TO 35 KT. SEAS 3.5 TO 6.5 M.
...GALE WARNING...
.N OF 58N BETWEEN 53W AND 44W WINDS 30 TO 45 KT. SEAS 3 TO 6
M...HIGHEST NEAR 61N48W. ELSEWHERE N OF 57N BETWEEN 46W AND 61W
WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW AND CONDITIONS DESCRIBED BY LOW 56N75W IN
STORM WARNING ABOVE.
...GALE WARNING...
.48 HOUR FORECAST NEW LOW 44N69W 998 MB. WITHIN 720 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
...HEAVY FREEZING SPRAY WARNING...
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 47N62W TO 50N60W IN THE GULF OF SAINT LAWRENCE. ELSEWHERE
LIGHT FREEZING SPRAY NW OF A LINE FROM 43N70W TO 45N61W TO
49N58W...INCLUDING THE BAY OF FUNDY AND THE REST OF THE GULF OF
SAINT LAWRENCE.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 55N57W TO 56N57W TO 60N62W. ELSEWHERE LIGHT FREEZING SPRAY W
OF 56W WITHIN THE GULF OF SAINT LAWRENCE AND W AND SW OF A LINE
FROM 54N55W TO 57N56W TO 61N61W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 59N
BETWEEN 46W AND 60W...AND N OF 65N W OF 54W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM W AND NW OF A LINE FROM
59N60W TO 52N49W TO 47N47W.
.48 HOUR FORECAST DENSE FOG FROM 41N TO 51N BETWEEN 50W AND 70W
AND N OF 62N BETWEEN 51W AND 63W.
.FORECASTER HYDE. 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 1200 UTC TUE DEC 30.
24 HOUR FORECAST VALID 1200 UTC WED DEC 31.
48 HOUR FORECAST VALID 1200 UTC THU JAN 1.
.WARNINGS.
...GULF OF AMERICA GALE WARNING...
.GULF OF AMERICA COLD FRONT FROM 25N81W TO 21.5N92.5W TO
18.5N93.5W. WITHIN 20N95W TO 21N95W TO 21N96W TO 19N96W TO
18N94W TO 19N94W TO 20N95W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ...NW TO N WINDS 30 TO 40 KT. SEAS 4.0 TO 6.0 M.
ELSEWHERE WITHIN 30N85W TO 28N97W TO 22N98W TO 19N94W TO 22N92W
TO 24N86W TO 30N85W N WINDS 20 TO 30 KT. SEAS 2.5 TO 5.0 M IN N
TO NW SWELL.
.18 HOUR FORECAST COLD FRONT S OF AREA. WITHIN 20N93W TO 20N95W
TO 21N96W TO 20N96W TO 19N96W TO 20N93W...INCLUDING WITHIN 60 NM
OF COAST OF VERACRUZ...N WINDS 20 TO 30 KT. SEAS 3.5 TO 4.5 M.
ELSEWHERE WITHIN 23N85W TO 24N94W TO 22N97W TO 18N95W TO 21N91W
TO 21N85W TO 23N85W...INCLUDING STRAITS OF FLORIDA AND WITHIN 60
NM OF COAST OF CAMPECHE AND IN YUCATAN CHANNEL...WINDS 20 KT OR
LESS. SEAS 2.5 TO 4.5 M IN N TO NW SWELL.
.24 HOUR FORECAST WITHIN 20N93W TO 20N96W TO 19N96W TO 19N95W TO
19N94W TO 19N93W TO 20N93W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ...N WINDS 20 TO 30 KT. SEAS 2.5 TO 4.0 M. ELSEWHERE
WITHIN 22N91W TO 22N95W TO 21N97W TO 19N96W TO 18N94W TO 19N92W
TO 22N91W...INCLUDING WITHIN 60 NM OF COAST OF CAMPECHE...WINDS
20 KT OR LESS. SEAS 2.5 TO 4.0 M. REMAINDER OF AREA WITHIN 21N85W
TO 22N85W TO 23N87W TO 19N86W TO 19N85W TO 20N84W TO
21N85W...INCLUDING STRAITS OF FLORIDA AND IN YUCATAN
CHANNEL...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N
SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.SYNOPSIS AND FORECAST.
.ATLC COLD FRONT FROM E OF AREA TO 26N35W TO 18N55.5W. WITHIN
31N36.5W TO 31N39W TO 30.5N38.5W TO 30.5N37W TO 31N36.5W W WINDS
20 TO 25 KT. SEAS 4.0 TO 4.5 M. ELSEWHERE WITHIN 31N35W TO
31N63W TO 22N64W TO 17N56W TO 18N47W TO 24N35W TO 31N35W WINDS
20 KT OR LESS. SEAS 2.5 TO 5.5 M IN NW TO N SWELL.
.24 HOUR FORECAST COLD FRONT FROM E OF AREA TO 23N35W TO
17.5N55.5W. WITHIN 31N35W TO 31N38W TO 30.5N37.5W TO 30.5N36.5W
TO 30.5N35W TO 31N35W W TO NW WINDS 20 TO 25 KT. SEAS 4.0 TO 4.5
M. ELSEWHERE WITHIN 31N35W TO 31N51W TO 20N58W TO 10N59W TO
07N51W TO 18N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M
IN NW TO N SWELL.
.48 HOUR FORECAST STATIONARY FRONT FROM E OF AREA TO 20N35W TO
17.5N55.5W. WITHIN 31N35W TO 31N40W TO 17N46W TO 10N59W TO 06N51W
TO 07N36W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW
TO N SWELL.
.ATLC WITHIN 11N35W TO 14N35W TO 10N49W TO 10N57W TO 06N52W TO
07N43W TO 11N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO
N SWELL.
.18 HOUR FORECAST CONDITIONS MERGED WITH AREAS DESCRIBED ABOVE.
.ATLC COLD FRONT FROM 31N70W TO 25.5N80W. E OF COLD FRONT WITHIN
31N62W TO 31N67W TO 31N70W TO 29N69W TO 30N63W TO 31N62W SW TO W
WINDS 20 TO 25 KT. SEAS 2.5 IN SW TO W SWELL. W OF COLD FRONT
WITHIN 31N70W TO 31N78W TO 29N78W TO 30N73W TO 30N71W TO 31N70W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N63.5W TO 22N77.5W. WITHIN
31N51W TO 31N58W TO 31N72W TO 29N63W TO 30N60W TO 30N52W TO
31N51W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N61.5W TO 20N74W. WITHIN
31N50W TO 31N61W TO 27N61W TO 27N57W TO 31N50W WINDS 20 KT OR
LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.CARIBBEAN WITHIN 12N75W TO 12N76W TO 11N77W TO 11N76W TO 11N75W
TO 12N75W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE
WITHIN 12N75W TO 13N76W TO 13N78W TO 11N79W TO 10N78W TO 11N75W
TO 12N75W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E
SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.CARIBBEAN 09 HOUR FORECAST WITHIN 13N70W TO 13N71W TO 14N72W TO
13N72W TO 11N70W TO 12N69W TO 13N70W...INCLUDING THE GULF OF
VENEZUELA...E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 13N69W TO 13N70W TO 11N70W TO 12N69W TO
12N70W TO 13N69W E WINDS 20 TO 25 KT. SEAS LESS THAN 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 ADAMS. NATIONAL HURRICANE CENTER.
$$
