FZNT01 KWBC 032210
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC WED DEC 03 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 03.
24 HOUR FORECAST VALID 1800 UTC DEC 04.
48 HOUR FORECAST VALID 1800 UTC DEC 05.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN LOW 45N58W 975 MB MOVING NE 40 KT. WITHIN
90 NM W SEMICIRCLE AND 180 NM S QUADRANT WINDS 50 TO 60 KT. SEAS
4 TO 7.5 M. ELSEWHERE WITHIN 360 NM NE...600 NM SE...480 NM SW
AND 180 NM NW QUADRANTS WINDS 35 TO 50 KT. SEAS 3 TO 6 M. ALSO
WITHIN 420 NM NE...720 NM SE...600 NM SW...AND 240 NM NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M.
.06 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 46N53W 975 MB. WITHIN
240 NM SW QUADRANT WINDS 50 TO 65 KT. SEAS 5 TO 10 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 52N36W 960 MB. FROM
42N TO 54N E OF 45W WINDS 40 TO 55 KT. SEAS 6 TO 11.5 M...HIGHEST
NEAR 46N38W. ELSEWHERE FROM 36N TO 56N E OF 49W WINDS 25 TO 40
KT. SEAS 5 TO 9.5 M.
.48 HOUR FORECAST LOW WELL E OF AREA 55N19W 968 MB. FROM 35N TO
55N E OF 40W WINDS TO 25 KT. SEAS 2.5 TO 5 M IN MIXED SWELL.
...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 58N36W 974 MB MOVING SE 10 KT
TURNING W AFTER 06 HOURS. FROM 54N TO 57N E OF 44W AND WITHIN 90
NM NW OF A LINE FROM 59N43W TO 62N41W TO 64N36W WINDS 45 TO 55
KT. SEAS 8 TO 12.5 M...HIGHEST NEAR 55N35W. ELSEWHERE N OF 60N E
OF GREENLAND...WITHIN 120 NM SW OF A FRONT FROM 63N51W TO
58N43W...AND WITHIN 300 NM SW QUADRANT WINDS 35 TO 45 KT. SEAS 5
TO 10 M. ALSO FROM 49N TO 66N E OF 56W WINDS 20 TO 30 KT. SEAS 3
TO 6 M.
.24 HOUR FORECAST LOW 56N39W 984 MB. N OF 59N BETWEEN 35W AND 45W
WINDS 35 TO 50 KT. SEAS 4 TO 7 M. ELSEWHERE WITHIN 300 NM W
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 3 TO 6 M...HIGHEST NEAR
54N45W.
.48 HOUR FORECAST LOW ABSORBED BY LOW 55N19W IN STORM WARNING
ABOVE WITH NEW COMPLEX LOW TO FORM NEAR 56N46W 991 MB. FROM 57N
TO 61N BETWEEN 41W AND 51W WINDS 45 TO 55 KT. SEAS 5 TO 9 M.
ELSEWHERE WITHIN 180 NM NW AND N OF A LINE FROM 59N57W TO 57N43W
TO 62N39W TO 62N35W WINDS 35 TO 45 KT. SEAS 4 TO 8 M. ALSO FROM
53N TO 61N E OF 56W AND N OF 60N E OF GREENLAND WINDS 25 TO 35
KT. SEAS 3.5 TO 6.5 M.
...STORM WARNING...
.30 HOUR FORECAST NEW LOW INLAND NEAR 50N61W 993 MB. FROM 35N TO
51N BETWEEN 57W AND 74W...INCLUDING WITHIN THE GULF OF SAINT
LAWRENCE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 50N55W 980
MB. WITHIN 180 NM SW OF A LINE FROM 50N61W TO 46N53W TO
46N49W...INCLUDING WITHIN THE GULF OF SAINT LAWRENCE WINDS 50 TO
60 KT. SEAS 5 TO 9 M. ELSEWHERE FROM 35N TO 52N BETWEEN 48W AND
64W AND FROM 40N TO 46N BETWEEN 38W AND 42W WINDS 35 TO 50 KT.
SEAS 3.5 TO 6.5 M. ALSO FROM 36N TO 51N BETWEEN 40W AND 66W WINDS
TO 25 KT. SEAS 2.5 TO 5 M.
...GALE WARNING...
.06 HOUR FORECAST LOW NW OF AREA 68N63W 994 MB. WITHIN 180 NM SE
QUADRANT WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST NEW LOW CENTER 60N63W 993 MB. N OF 56N W OF 56W
WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
..48 HOUR FORECAST LOW WELL NW OF THE AREA. ASSOCIATED CONDITIONS
DIMINISHED.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY FROM 63N TO 66N W OF 59W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY IN THE GULF OF SAINT
LAWRENCE N OF 48N...AND W AND NW OF A LINE FROM 52N47W TO 51N56W
TO 64N53W TO 67N56W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W AND NW OF A
LINE FROM 50N53W TO 61N60W TO 65N60W TO 65N57W TO 62N54W TO
63N50W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY IN THE GULF OF
SAINT LAWRENCE FROM 47N TO 51N W OF 59W. ELSEWHERE LIGHT TO
MODERATE FREEZING SPRAY FROM 41N TO 51N BETWEEN 52W AND 71W AND
NW OF A LINE FROM 57N61W TO 60N60W TO 64N61W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM NW OF A
LINE FROM 66N57W TO 64N53W TO 58N48W TO 56N37W...WITHIN 90 NM NE
OF A LINE FROM 59N42W TO 62N41W TO 64N35W...AND FROM 42N TO 51N
BETWEEN 47W AND 61W.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM NW OF A LINE FROM
57N44W TO 60N42W TO 63N40W AND FROM 50N TO 55N E OF 38W.
.48 HOUR FORECAST DENSE FOG FROM 49N TO 65N BETWEEN 45W AND 59W
AND FROM 59N TO 63N E OF 42W.
.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 WED DEC 03.
24 HOUR FORECAST VALID 1800 UTC THU DEC 04.
48 HOUR FORECAST VALID 1800 UTC FRI DEC 05.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC FROM 08N TO 22N E OF 55W NE TO E WINDS 20 TO 25 KT. SEAS
2.5
TO 3 M. FROM 22N TO 25N E OF 40W NE TO E WINDS 20 KT OR LESS.
SEAS
2.5 TO 3 M. FROM 11N TO 27N BETWEEN 55W AND 60W WINDS 20 KT OR
LESS.
SEAS 2.5 M IN NE TO E SWELL. N OF 25N AND E OF A LINE FROM 31N37W
TO
25N42W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN MIXED N AND NE
SWELL.
.24 HOUR FORECAST N OF 08N AND S OF A LINE FROM 28N35W TO 28N38W
TO
21N50W TO 20N61W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE
SWELL.
.48 HOUR FORECAST FROM 10N TO 15N W OF 50W WINDS 20 KT OR LESS.
SEAS
2.5 M IN NE SWELL. FROM 14N TO 19N E OF 40W WINDS 20 KT OR LESS.
SEAS 2.5 M IN NE SWELL.
.CARIBBEAN TROUGH ALONG 64W S OF 17N. FROM 10N TO 13N E OF TROUGH
TO
60W E TO SE WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT.
.06 HOUR FORECAST TROUGH ALONG 66W S OF 17N. FROM 10N TO 13N E OF
TROUGH TO 60W E TO SE WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.12 HOUR FORECAST TROUGH ALONG 68W S OF 17N. WINDS 20 KT OR LESS.
SEAS LESS THAN 2.5 M.
.GULF OF AMERICA 30 HOUR FORECAST COLD FRONT FROM 30N91W TO
25N97W.
S OF 28N W OF FRONT N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.36 HOUR FORECAST COLD FRONT FROM 30N89W TO 26N94W TO 23N97W. S
OF
26N W OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST COLD FRONT 30N86W TO 26N94W TO 21N97W. 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 GR. NATIONAL HURRICANE CENTER.
$$
