FZNT01 KWBC 042216
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC DEC 04.
24 HOUR FORECAST VALID 1800 UTC DEC 05.
48 HOUR FORECAST VALID 1800 UTC DEC 06.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 52N35W 965 MB MOVING NE 30 KT.
WITHIN 180 NM SW OF A LINE FROM 49N38W TO 47N36W TO 47N35W WINDS
50 TO 65 KT. SEAS 7 TO 11 M. ALSO FROM 41N TO 54N E OF 44W WINDS
35 TO 50 KT. SEAS 4 TO 8 M. AND FROM 36N TO 55N E OF 48W WINDS 25
TO 40 KT. SEAS 3 TO 6 M. ELSEWHERE WITHIN 1200 NM SW QUADRANT
WINDS TO 25 KT. SEAS 3 TO 6 M IN NW SWELL.
.24 HOUR FORECAST LOW WELL E OF AREA 55N19W 969 MB. E OF A LINE
FROM 57N35W TO 53N45W TO 35N35W AREA OF W TO NW WINDS TO 25 KT.
SEAS 3 TO 5 M.
.48 HOUR FORECAST ASSOCIATED CONDITIONS MOVED WELL E OF AREA.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 56N39W 983 MB MOVING SW 10 KT.
WITHIN 60 NM NW OF A LINE FROM 59N45W TO 61N42W TO 63N40W AREA OF
N TO NE WINDS 35 TO 50 KT. SEAS 5 TO 8 M. ALSO N OF 58N E OF 45W
AND WITHIN 300 NM W SEMICIRCLE WINDS 25 TO 40 KT. SEAS 4 TO 7 M.
ELSEWHERE...EXCEPT AS DESCRIBED WITH LOW 52N35W ABOVE...N OF 52N
E OF 50W WINDS TO 25 KT. SEAS 3 TO 6 M IN N SWELL.
.24 HOUR FORECAST LOW DISSIPATED. FROM 57N TO 60N BETWEEN 42W AND
49W WINDS 50 TO 60 KT. SEAS 5 TO 10 M...HIGHEST NEAR 58N46W.
ELSEWHERE WITHIN 180 NM NW OF A LINE FROM 58N53W TO 57N43W TO
59N40W TO 62N39W AREA OF N TO NE WINDS 40 TO 50 KT. SEAS 4 TO 7
M. ALSO E OF A LINE FROM 56N346W TO 61N58W TO 62N56W TO 60N52W TO
59N44W TO 64N41W TO 66N35W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.36 HOUR FORECAST WITHIN 90 NM NW OF A LINE FROM 57N49W TO 58N42W
TO 61N41W AREA OF N TO NE WINDS 50 TO 65 KT. SEAS 6 TO 10.5 M.
.48 HOUR FORECAST WITHIN 60 NM NW OF A LINE FROM 58N45W TO 60N42W
AREA OF N TO NE WINDS 60 TO 70 KT. SEAS 6 TO 11 M. ALSO WITHIN
120 NM NW OF A LINE FROM 56N46W TO 59N42W TO 61N41W AREA OF N TO
NE WINDS 50 TO 60 KT. SEAS 5 TO 8.5 M. AND WITHIN 180 NM NW OF A
LINE FROM 56N48W TO 62N37W AND FROM 57N TO 63N E OF 40W WINDS 35
TO 50 KT. SEAS 4 TO 7.5 M. ELSEWHERE N OF A LINE FROM 58N51W TO
56N55W TO 53N47W TO 55N45W TO 56N35W AREA OF N TO NE WINDS 25 TO
35 KT. SEAS 3 TO 6 M.

...HURRICANE FORCE WIND WARNING...
.06 HOUR FORECAST NEW LOW INLAND NEAR 53N62W 994 MB. FROM 35N TO
50N BETWEEN 58W AND 60W WINDS 25 TO 40 KT. SEAS TO 4 M.
.18 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 50N55W 980 MB.
WITHIN 600 NM SW AND 480 NM W QUADRANTS AREA OF W TO NW WINDS 35
TO 50 KT. SEAS 4 TO 7 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 50N50W 972 MB AND
RAPIDLY INTENSIFYING. WITHIN 480 NM SW QUADRANT AREA OF W TO NW
WINDS 50 TO 60 KT. SEAS 4 TO 8 M. ELSEWHERE FROM 38N TO 51N
BETWEEN 40W AND 63W WINDS 35 TO 50 KT. SEAS 3 TO 6 M. ALSO FROM
32N TO 53N BETWEEN 35W AND 64W WINDS 25 TO 35 KT. SEAS 2.5 TO 5
M.
.30 HOUR FORECAST LOW 50N48W 951 MB. WITHIN 360 NM SW SEMICIRCLE
AREA OF W TO NW WINDS 50 TO 65 KT. SEAS 7 TO 12 M.
.48 HOUR FORECAST LOW 50N44W 960 MB. WITHIN 480 NM S AND 360 NM
SW QUADRANTS AREA OF W TO NW WINDS 50 TO 65 KT. SEAS 7 TO 12 M.
ALSO WITHIN 600 NM S SEMICIRCLE AND 360 NM NW QUADRANT WINDS 35
TO 50 KT. SEAS 6 TO 10 M. ELSEWHERE EXCEPT WHERE NOTED BY LOW
58N57W IN GALE WARNING BELOW...FROM 38N TO 54N E OF 59W WINDS 25
TO 40 KT. SEAS 5 TO 9 M.

...GALE WARNING...
.36 HOUR FORECAST LOW 36N70W 1010 MB. FROM 32N TO 38N BETWEEN 62W
AND 73W WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 36N59W 1003 MB.
FROM 31N TO 38N BETWEEN 55W AND 68W WINDS 25 TO 35 KT. SEAS TO 4
M.

...GALE WARNING...
.24 HOUR FORECAST WITHIN 60 NM E OF A LINE FROM 56N60W TO 58N60W
TO 61N61W WINDS 25 TO 40 KT. SEAS TO 3 M.
.48 HOUR FORECAST NEW LOW 58N57W 991 MB. WITHIN 60 NM W OF A LINE
FROM 58N60W TO 55N57W AREA OF NW TO N WINDS 30 TO 45 KT. SEAS 4
TO 7 M. ELSEWHERE...EXCEPT AS DESCRIBED ABOVE...FROM 52N TO 65N W
OF 53W WINDS 20 TO 30 KT. SEAS 3 TO 6 M.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY W AND NW OF A LINE FROM 50N54W
TO 52N52W TO 61N54W TO 63N52W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 47N64W TO 48N63W TO 50N59W IN THE GULF OF SAINT LAWRENCE.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM
41N70W TO 45N60W TO 48N53W INCLUDING THE GULF OF SAINT
LAWRENCE...W OF A LINE FROM 56N60W TO 64N61W...N OF 66N W OF
GREENLAND...AND NE OF A LINE FROM 60N43W TO 65N38W TO 65N35W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY NW OF A LINE
44N61W TO 48N52W TO 52N54W TO 63N64W...N OF 64N W OF 60W...AND NE
OF A LINE FROM 64N53W TO 67N56W.

.SYNOPSIS AND FORECAST.

.N OF 55N W OF 57W WINDS 20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 50N TO 55N E OF
38W AND WITHIN 90 NM OF A LINE EXTENDING FROM 53N44W TO 59N45W TO
63N40W.
.24 HOUR FORECAST DENSE FOG FROM 48N TO 62N BETWEEN 41W AND 63W
AND WITHIN 120 NM W OF A LINE FROM 62N60W TO 65N60W TO 66N62W.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM W OF A LINE FROM 48N40W
TO 57N56W TO 65N64W AND WITHIN 90 NM NW OF A LINE FROM 58N43W TO
62N40W.

.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 1800 UTC THU DEC 4.
24 HOUR FORECAST VALID 1800 UTC FRI DEC 5.
48 HOUR FORECAST VALID 1800 UTC SAT DEC 6.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC 12 HOUR FORECAST COLD FRONT FROM 31N56W TO 29N60W. WITHIN
31N51W TO 31N54.5W TO 30N54W TO 30.5N51.5W TO 31N51W SW TO W
WINDS 20 TO 25 KT. SEAS 2.5 M IN W TO NW SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N54W TO 25N63.5W. E OF COLD
FRONT WITHIN 31N42W TO 31N52W TO 30N52W TO 30N48W TO 30N47W TO
31N42W SW TO W WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. NEAR AND W
OF COLD FRONT WITHIN 31N52W TO 31N60W TO 30N59W TO 30N56W TO
31N55W TO 31N52W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
SWELL.
.48 HOUR FORECAST COLD FRONT FROM 31N44W TO 27.5N55W. WITHIN
31N35W TO 30N51W TO 28N46W TO 28N41W TO 30N35W TO 31N35W WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN N TO NW SWELL.

.ATLC 21 HOUR FORECAST STATIONARY FRONT N OF AREA. WITHIN
31N78.5W TO 31N80.5W TO 30N80.5W TO 30N80W TO 30.5N79.5W TO
31N78.5W SW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST STATIONARY FRONT N OF AREA. WITHIN 31N77W TO
31N80W TO 29N80W TO 30N79W TO 31N77W SW WINDS 20 TO 25 KT. SEAS
LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 31N59.5W TO 31N65W TO 30.5N65W TO
30.5N62.5W TO 30N61.5W TO 30.5N60W TO 31N59.5W SW TO W WINDS 20
TO 25 KT. SEAS 2.5 TO 3.0 M. ELSEWHERE WITHIN 31N50W TO 31N60W TO
30N58W TO 30N50W TO 31N50W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M. REMAINDER OF AREA WITHIN 31N65.5W TO 31N67.5W TO 31N72W TO
31N67.5W TO 30.5N66.5W TO 31N65.5W WINDS 20 KT OR LESS. SEAS 2.5
M IN NW SWELL.

.ATLC AND CARIBBEAN WITHIN 26N35W TO 18N62W TO 09N59W TO 07N45W
TO 09N35W TO 26N35W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E
SWELL.
.24 HOUR FORECAST WITHIN 20N35W TO 15N49W TO 18N52W TO 18N62W TO
09N59W TO 13N35W TO 20N35W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E
SWELL.
.48 HOUR FORECAST WITHIN 16N35W TO 17N62W TO 11N60W TO 09N48W TO
11N35W TO 16N35W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E
SWELL.

.CARIBBEAN 03 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 11N76W TO
11N74W TO 12N74W NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.GULF OF AMERICA 03 HOUR FORECAST COLD FRONT FROM 29N93W TO
26N97W. WITHIN 28N96W TO 27N97W TO 26N97W TO 27N96W TO 28N96W N
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 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.

$$