FZNT01 KWBC 040951
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC THU DEC 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC DEC 04.
24 HOUR FORECAST VALID 0600 UTC DEC 05.
48 HOUR FORECAST VALID 0600 UTC DEC 06.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 48N48W 974 MB MOVING NE 35 KT.
WITHIN 300 NM SW SEMICIRCLE WINDS 50 TO 65 KT. SEAS 7 TO 11 M.
ALSO FROM 40N TO 52N E OF 53W WINDS 40 TO 50 KT. SEAS 4 TO 8 M.
AND FROM 36N TO 53N E OF 56W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
ELSEWHERE WITHIN 780 NM SW QUADRANT WINDS TO 25 KT. SEAS 3 TO 6
M IN NW SWELL.
.24 HOUR FORECAST LOW E OF AREA 54N25W 964 MB. E OF A LINE FROM
54N43W TO 46N35W AREA OF W TO NW WINDS 25 TO 40 KT. SEAS 5 TO 9
M. ALSO E OF A LINE FROM 54N47W TO 42N35W AREA OF W TO NW WINDS
20 TO 30 KT. SEAS 4 TO 7 M. ELSEWHERE FROM 36N TO 56N E OF 48W
WINDS TO 25 KT. SEAS 3 TO 6 M IN W TO NW SWELL.
.48 HOUR FORECAST LOW MOVED WELL E OF AREA. CONDITIONS DESCRIBED
WITH LOW 50N48W BELOW.
...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH FIRST CENTER 58N35W 984 MB MOVING W 10 KT AND
WILL TURN SW AFTER 06 HOURS WITH SECOND LOW 60N46W 998 MB NEARLY
STATIONARY. WITHIN 90 NM EITHER SIDE OF A LINE FROM 65N35W TO
61N41W TO 57N43W AREA OF N TO NE WINDS 40 TO 55 KT. SEAS 5 TO 9
M. ALSO N OF A LINE FROM 55N44W TO 60N35W AND WITHIN 90 NM W
SEMICIRCLE OF SECOND LOW WINDS 25 TO 40 KT. SEAS 4 TO 7 M.
ELSEWHERE...EXCEPT AS DESCRIBED WITH LOW 48N48W ABOVE...WITHIN
360 NM SW AND 480 NM W QUADRANTS OF FIRST LOW WINDS TO 25 KT.
SEAS 3 TO 6 M IN N SWELL.
.24 HOUR FORECAST LOWS DISSIPATED. WITHIN 90 NM EITHER SIDE OF A
LINE FROM 57N50W TO 59N43W TO 61N39W AREA OF N TO NE WINDS 45 TO
60 KT. SEAS 5 TO 9 M. ELSEWHERE E OF A LINE FROM 57N51W TO
66N37W AREA OF N TO NE WINDS 30 TO 45 KT. SEAS 4 TO 7 M.
.48 HOUR FORECAST WITHIN 60 NM EITHER SIDE OF A LINE FROM 62N41W
TO 58N45W TO 57N51W AREA OF N TO NE WINDS 50 TO 65 KT. SEAS 6 TO
10 M. ALSO WITHIN 90 NM EITHER SIDE OF A LINE FROM 57N53W TO
60N42W TO 63N36W AREA OF N TO NE WINDS 35 TO 50 KT. SEAS 5 TO 8
M. ELSEWHERE N OF A LINE FROM 57N44W TO 59N35W AREA OF N TO NE
WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
...HURRICANE FORCE WIND WARNING...
.18 HOUR FORECAST NEW LOW 51N61W 994 MB. FROM 39N TO 50N BETWEEN
59W AND 72W WINDS 25 TO 40 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 50N59W 986 MB AND RAPIDLY INTENSIFYING.
FROM 40N TO 44N BETWEEN 57W AND 66W AREA OF W TO NW WINDS 30 TO
45 KT. SEAS 4 TO 6 M. ELSEWHERE FROM 36N TO 50N BETWEEN 52W AND
69W WINDS 25 TO 40 KT. SEAS 3 TO 5 M.
.30 HOUR FORECAST LOW 50N55W 979 MB AND RAPIDLY INTENSIFYING.
WITHIN 540 NM S AND 360 NM SW QUADRANTS AREA OF W TO NW WINDS 40
TO 50 KT. SEAS 4 TO 7 M.
.48 HOUR FORECAST LOW 50N48W 951 MB. WITHIN 240 NM SW SEMICIRCLE
AREA OF W TO NW WINDS 50 TO 65 KT. SEAS 7 TO 12 M. ALSO WITHIN
420 NM S SEMICIRCLE AND 240 NM NW QUADRANT WINDS 40 TO 50 KT.
SEAS 6 TO 10 M. AND FROM 39N TO 55N E OF 60W WINDS 25 TO 40 KT.
SEAS 5 TO 9 M. ELSEWHERE E OF A LINE FROM 36N59W TO 49N61W TO
54N54W WINDS TO 25 KT. SEAS 4 TO 7 M IN MIXED SWELL.
...GALE WARNING...
.LOW NW OF AREA 68N64W 995 MB MOVING NW 15 KT. WITHIN 180 NM SE
QUADRANT AREA OF S TO SW WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW MOVED WELL NW OF AREA WITH NEW LOW 63N63W
995 MB. WITHIN 90 NM EITHER SIDE OF A LINE FROM 66N62W TO 60N56W
AREA OF SE WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 60N60W BELOW.
...GALE WARNING...
.36 HOUR FORECAST NEW LOW 32N78W 1017 MB. WITHIN 180 NM SW
QUADRANT AREA OF SW WINDS 25 TO 35 KT. SEAS LESS THAN 4 M.
.42 HOUR FORECAST LOW 36N73W 1015 MB. FROM 34N TO 37N BETWEEN
68W AND 75W WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 36N70W 1009 MB. WITHIN 120 NM N
SEMICIRCLE...AND WITHIN 300 NM SE AND 180 NM SW QUADRANTS WINDS
25 TO 35 KT. SEAS TO 4 M.
...GALE WARNING...
.42 HOUR FORECAST NEW LOW 58N59W 986 MB. WITHIN 180 NM
NW...NE...AND SW QUADRANTS WINDS 30 TO 45 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW 60N60W 991 MB. WITHIN 120 NM W OF A LINE
FROM 54N57W TO 56N57W TO 61N62W AREA OF NW TO N WINDS 30 TO 45
KT. SEAS 4 TO 7 M. ELSEWHERE...EXCEPT AS DESCRIBED ABOVE...W OF
A LINE FROM 54N54W TO 62N59W WINDS 20 TO 30 KT. SEAS 3 TO 6 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 65N W OF 59W. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY IN THE GULF OF SAINT LAWRENCE W
AND NW OF A LINE FROM 46N63W TO 49N58W...N OF A LINE FROM 63N41W
TO 65N35W...AND W AND NW OF A LINE FROM 50N56W TO 53N53W TO
60N52W TO 61N49W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 46N63W TO 50N64W IN THE GULF OF SAINT LAWRENCE. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 40N73W TO
46N59W INCLUDING THE GULF OF SAINT LAWRENCE...W OF A LINE FROM
55N58W TO 66N62W...N OF A LINE FROM 62N50W TO 66N62W...N OF A
LINE FROM 61N43W TO 65N35W...AND WITHIN 90 NM OF 59N52W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY FROM 44N TO
51N W OF 53W INCLUDING THE GULF OF SAINT LAWRENCE...N OF A LINE
FROM 64N39W TO 66N35W...E OF A LINE FROM 62N50W TO 67N57W...AND
W OF A LINE FROM 54N56W TO 65N62W TO 67N59W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 47N TO 53N E
OF 52W...FROM 56N TO 65N BETWEEN 38W AND 45W...AND WITHIN 90 NM
OF 63N63W AND 66N54W.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM OF 60N42W...FROM 57N TO
59N BETWEEN 43W AND 52W...W OF A LINE FROM 55N57W TO 62N57W TO
66N62W...AND FROM 43N TO 54N BETWEEN 52W AND 62W.
.48 HOUR FORECAST DENSE FOG WITHIN 90 NM OF 50N58W...FROM 45N TO
54N BETWEEN 38W AND 55W...WITHIN AN AREA BOUNDED BY A LINE FROM
57N46W TO 63N41W TO 62N37W TO 57N46W...AND W OF A LINE FROM
54N56W TO 57N48W TO 65N63W.
.FORECASTER FIGURSKEY. 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 0600 UTC THU DEC 4.
24 HOUR FORECAST VALID 0600 UTC FRI DEC 5.
48 HOUR FORECAST VALID 0600 UTC SAT DEC 6.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 14N41W TO 14N43W TO 14N48W TO 11N46W TO 10N43W TO
11N41W TO 14N41W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
ELSEWHERE WITHIN 30N35W TO 23N47W TO 24N59W TO 11N60W TO 06N50W
TO 08N35W TO 30N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE
TO E SWELL.
.24 HOUR FORECAST WITHIN 24N35W TO 20N61W TO 11N61W TO 08N57W TO
10N38W TO 24N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE TO E
SWELL.
.48 HOUR FORECAST WITHIN 19N35W TO 16N50W TO 17N62W TO 08N58W TO
08N44W TO 11N35W TO 19N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M
IN NE TO E SWELL.
.ATLC 24 HOUR FORECAST COLD FRONT FROM 31N57W TO 25N66W. WITHIN
31N45W TO 31N62W TO 30N62W TO 30N54W TO 30N49W TO 31N45W SW TO W
WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M IN W TO NW SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N46W TO 25N61W. WITHIN
31N35W TO 31N56W TO 30N55W TO 29N48W TO 29N43W TO 29N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW SWELL.
.ATLC 36 HOUR FORECAST COLD FRONT W OF AREA. WITHIN 31N77W TO
31N80.5W TO 30.5N80W TO 30.5N77.5W TO 31N77W SW WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST COLD FRONT FROM 31N77W TO 30N81W. WITHIN
31N75.5W TO 31N78W TO 30.5N78W TO 30N77.5W TO 30N76W TO
30.5N75.5W TO 31N75.5W SW TO W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0
M IN E TO SE SWELL.
.GULF OF AMERICA 12 HOUR FORECAST WITHIN 25N96W TO 28N96W TO
28N97W TO 26N97W TO 22N98W TO 23N96W TO 25N96W S WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 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 DELGADO. NATIONAL HURRICANE CENTER.
