735
FZNT01 KWBC 030412
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC DEC 03.
24 HOUR FORECAST VALID 0000 UTC DEC 04.
48 HOUR FORECAST VALID 0000 UTC DEC 05.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW 58N38W 968 MB MOVING SE 10 KT. WITHIN AN AREA BOUNDED BY A
LINE FROM 57N36W TO 57N45W TO 59N53W TO 54N46W TO 53N35W TO
57N36W WINDS 50 TO 65 KT. SEAS 7.5 TO 12 M. ELSEWHERE N OF 62N E
OF GREENLAND...WITHIN 120 NM N AND NE OF A LINE FROM 59N48W TO
THE LOW TO 58N35W AND WITHIN 540 NM S...600 NM SW AND 660 NM NW
QUADRANTS WINDS 35 TO 50 KT. SEAS 4.5 TO 8 M. ALSO FROM 39N TO
46N E OF 40W...FROM 46N TO 60N W OF 35W AND FROM 60N TO 65N
BETWEEN 55W AND 60W WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M.
.24 HOUR FORECAST LOW E OF THE AREA 57N31W 978 MB. FROM 58N TO
60N E OF 44W...N OF 60N E OF GREENLAND AND WITHIN 180 NM S AND SW
OF A LINE FROM 56N35W TO 57N40W TO 59N45W WINDS 35 TO 50 KT. SEAS
5.5 TO 11 M...HIGHEST NEAR 56N35W. ELSEWHERE BETWEEN 90 NM AND
300 NM SW AND 180 NM AND 540 NM NW QUADRANTS AND N OF 65N W OF
GREENLAND WINDS 25 TO 35 KT. SEAS 2.5 TO 7 M...HIGHEST SW
QUADRANT.
.48 HOUR FORECAST LOW SE OF AREA WITH NEW LOW TO FORM NEAR 60N47W
1000 MB. WITHIN 360 NM NE...420 NM SE AND 120 NM S QUADRANTS
WINDS 35 TO 50 KT. SEAS 4 TO 8 M. ELSEWHERE FROM 56N TO 60N E OF
50W AND N OF 60N E OF GREENLAND WINDS 25 TO 35 KT. SEAS 2.5 TO 6
M.

...HURRICANE FORCE WIND WARNING...
.LOW 39N71W 994 MB MOVING NE 35 KT AND INTENSIFYING. WITHIN 240
NM E...SE AND 420 NM SW QUADRANTS WINDS 35 TO 50 KT. SEAS 3.5 TO
6 M. ELSEWHERE WITHIN 360 NM NE...540 NM SE...600 NM SW AND 120
NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 46N54W 978 MB. BETWEEN 120 NM AND 360 NM
NE...240 NM AND 540 NM E...120 NM AND 540 NM SE...90 NM AND 360
NM S...90 NM AND 240 NM SW AND 60 NM AND 180 NM NW QUADRANTS
WINDS 40 TO 55 KT. SEAS 6 TO 10 M. ELSEWHERE WITHIN 480 NM
NE...780 NM E...SE...720 NM SW...360 NM W AND NW
QUADRANTS...INCLUDING THE E GULF OF SAINT LAWRENCE WINDS 25 TO 40
KT. SEAS 3.5 TO 6.5 M...EXCEPT 2.5 TO 4.5 IN THE E GULF OF SAINT
LAWRENCE.
.36 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 51N38W 970 MB.
FROM 41N TO 50N E OF 49W WINDS 50 TO 65 KT. SEAS 7 TO 12
M...HIGHEST NEAR 44N45W.
.48 HOUR FORECAST LOW E OF AREA 53N32W 963 MB. WITHIN AN AREA
BOUNDED BY A LINE FROM 52N35W TO 53N46W TO 43N35W TO 52N35W WINDS
35 TO 50 KT. SEAS 6 TO 10 M...HIGHEST NEAR 47N35W. ELSEWHERE
BETWEEN 240 NM AND 840 NM SW AND 120 NM AND 600 NM W QUADRANTS
WINDS 25 TO 35 KT. SEAS 2.5 TO 7 M...HIGHEST SW QUADRANT.

...GALE WARNING...
.30 HOUR FORECAST NEW LOW JUST NW OF AREA 68N62W 991 MB. WITHIN
180 NM SE QUADRANT WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW MOVED WELL NW OF AREA AND CONDITIONS
DESCRIBED ABOVE WITH LOW 60N47W.

...GALE WARNING...
.48 HOUR FORECAST INLAND LOW 52N63W 995 MB. WITHIN 300 NM
E...900 NM S AND 960 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5
TO 4.5 M...EXCEPT TO 3 M IN THE GULF OF SAINT LAWRENCE.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY W AND NW OF A LINE FROM 52N51W
TO 55N52W TO 60N61W TO THE COAST OF LABRADOR...FROM 60N TO 62N W
OF 61W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY IN THE GULF OF
SAINT LAWRENCE...FROM 48N TO 56N W OF 47W...W AND NW OF A LINE
FROM 56N49W TO 64N57W...N OF 64N W OF GREENLAND AND N OF 64N E OF
GREENLAND.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF
58W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 50N W OF
52W...N OF 60N W OF GREENLAND AND N OF 64N E OF GREENLAND.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING IN THE GULF OF SAINT
LAWRENCE...W OF A LINE FROM 53N51W TO 65N63W...WITHIN 90 NM W OF
GREENLAND FROM 60N TO 64N...N OF 64N W OF GREENLAND AND N OF 64N
E OF GREENLAND.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 47N
BETWEEN 61W AND 64W...WITHIN 120 NM N AND NE OF A LINE FROM
57N48W TO 60N54W TO 64N59W...WITHIN 90 NM N OF A LINE FROM 59N44W
TO 58N35W AND FROM 61N TO 63N E OF GREENLAND.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 50N BETWEEN 40W AND 57W
AND WITHIN 120 NM NW AND N OF A LINE FROM 57N40W TO 64N35W.
.48 HOUR FORECAST DENSE FOG FROM 45N TO 51N BETWEEN 58W AND 63W
IN THE GULF OF SAINT LAWRENCE AND WITHIN 90 NM NE AND E OF A LINE
FROM 53N45W TO 59N51W TO 63N52W.

.FORECASTER OCEAN FORECAST BRANCH. 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 0000 UTC WED DEC 3.
24 HOUR FORECAST VALID 0000 UTC THU DEC  4.
48 HOUR FORECAST VALID 0000 UTC FRI DEC  5.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC TROUGH FROM 28N66W TO 18N67W. WITHIN 20N47W TO 26N57W TO
22N59W TO 14N51W TO 13N37W TO 17N38W TO 20N47W E WINDS 20 TO 25
KT. SEAS 2.5 TO 3 M. ELSEWHERE WITHIN 29N35W TO 31N56W TO 26N65W
TO 08N52W TO 11N35W TO 29N35W WINDS 20 KT OR LESS. SEAS TO 2.5 M
IN NE TO E SWELL.
.24 HOUR FORECAST TROUGH FROM 28N65W TO 20N68W. WITHIN 15N45W TO
16N48W TO 15N50W TO 12N49W TO 11N46W TO 12N45W TO 15N45W NE TO E
WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE WITHIN 31N35W TO
24N47W TO 31N62W TO 14N61W TO 07N50W TO 08N35W TO 31N35W WINDS 20
KT OR LESS. SEAS TO 2.5 M IN NE TO E SWELL.
.48 HOUR FORECAST TROUGH DISSIPATED. WITHIN 27N35W TO 19N63W TO
09N59W TO 07N49W TO 10N35W TO 27N35W WINDS 20 KT OR LESS. SEAS
2.5 TO 3 M IN NE TO E SWELL.

.ATLC COLD FRONT FROM 30N78W TO 29N81W. WITHIN 31N72W TO 31N77W
TO 30N77W TO 30N75W TO 31N72W SW WINDS 20 TO 25 KT. SEAS 2.5 TO
3 M IN SW SWELL. ELSEWHERE WITHIN 31N72W TO 31N80W TO 29N78W TO
29N77W TO 30N75W TO 31N72W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN
SW SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.GULF OF AMERICA 48 HOUR FORECAST COLD FRONT FROM 30N92W TO
25N98W. WITHIN 29N88W TO 30N90W TO 30N94W TO 28N97W TO 25N97W TO
28N93W TO 29N88W NE WINDS 20 TO 25 KT. 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.

$$