859
FZNT01 KWBC 031608
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC DEC 03.
24 HOUR FORECAST VALID 1200 UTC DEC 04.
48 HOUR FORECAST VALID 1200 UTC DEC 05.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 44N60W 982 MB MOVING NE 40 KT.
WITHIN 300 NM SE AND 180 NM SW QUADRANTS WINDS 40 TO 55 KT. SEAS
3.5 TO 6 M. ELSEWHERE WITHIN 360 NM NE...660 NM SE...720 NM SW
AND 300 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 51N37W 966 MB. FROM
42N TO 48N BETWEEN 36W AND 47W WINDS 50 TO 60 KT. SEAS 6 TO 11
M...HIGHEST NEAR 45N43W. ELSEWHERE FROM 39N TO 53N E OF 49W WINDS
35 TO 50 KT. SEAS 5 TO 9.5 M. ALSO FROM 36N TO 54N E OF 51W WINDS
25 TO 40 KT. SEAS 4 TO 7.5 M.
.30 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 51N35W 959 MB.
WITHIN 120 NM W SEMICIRCLE AND FROM 43N TO 46N E OF 40W WINDS 50
TO 65 KT. SEAS 7.5 TO 11.5 M.
.48 HOUR FORECAST LOW WELL E OF AREA 54N21W 964 MB. E OF A LINE
FROM 54N35W TO 54N46W TO 47N35W WINDS 25 TO 35 KT. SEAS 4 TO 7.5
M...HIGHEST NEAR 51N35W. ELSEWHERE FROM 36N TO 56N E OF 47W WINDS
TO 25 KT. SEAS 2.5 TO 5.5 M IN MIXED SWELL.

...STORM WARNING...
.LOW 58N37W 972 MB MOVING SE 10 KT TURNING W AFTER 12 HOURS. FROM
54N TO 58N E OF 46W WINDS 50 TO 60 KT. SEAS 8 TO 12.5 M...HIGHEST
NEAR 56N37W. ELSEWHERE N OF 60N E OF GREENLAND...WITHIN 120 NM SW
OF A FRONT FROM 63N53W TO 60N50W...AND WITHIN 480 NM S AND 360 NM
SW QUADRANTS WINDS 35 TO 50 KT. SEAS 5 TO 10 M. ALSO FROM 45N TO
63N E OF 56W WINDS 20 TO 30 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW 57N37W 984 MB. N OF 52N BETWEEN 55W AND 50W
AND N OF 47N E OF 43W WINDS 25 TO 40 KT. SEAS 4 TO 7 M...HIGHEST
NEAR 59N43W.
.48 HOUR FORECAST LOW SE OF AREA WITH NEW LOW TO FORM NEAR 55N47W
990 MB. WITHIN 180 NM NW AND N OF A LINE FROM 57N53W TO 56N45W TO
57N40W TO 62N35W WINDS 35 TO 50 KT. SEAS 5 TO 9 M...HIGHEST NEAR
59N45W. ELSEWHERE FROM 54N TO 60N E OF 52W AND N OF 60N E OF
GREENLAND WINDS 25 TO 35 KT. SEAS 3.5 TO 6.5 M.

...GALE WARNING...
.24 HOUR FORECAST LOW 64N64W 998 MB. N OF 55N W OF 57W WINDS 25
TO 35 KT. SEAS 2.5 TO 4 M.
..48 HOUR FORECAST LOW WELL NW OF THE AREA. N OF 60N BETWEEN 56W
AND 62W WINDS TO 25 KT. SEAS TO 3 M.

...GALE WARNING...
.36 HOUR FORECAST NEW LOW INLAND NEAR 51N62W 992 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 INLAND NEAR 51N56W
981 MB. FROM 38N TO 57N BETWEEN 47W AND 64W...INCLUDING WITHIN
THE GULF OF SAINT LAWRENCE WINDS 35 TO 45 KT. SEAS 4 TO 7.5 M.
ELSEWHERE FROM 34N TO 56N BETWEEN 43W AND 67W WINDS 25 TO 40 KT.
SEAS 3 TO 5.5 M...EXCEPT SEAS 2.5 TO 4 M FROM 48N TO 56N W OF
49W.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY W OF A LINE FROM 53N56W TO
55N56W TO 58N61W TO 61N62W TO 65N59W. ELSEWHERE LIGHT TO MODERATE
FREEZING SPRAY IN THE GULF OF SAINT LAWRENCE N OF 48N...AND W AND
NW OF A LINE FROM 51N50W TO 52N48W TO 60N55W TO 67N56W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 55N58W TO 60N62W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
IN THE GULF OF SAINT LAWRENCE N OF 49N...AND W AND NW OF A LINE
FROM 50N55W TO 59N53W TO 62N60W TO 64N58W TO 62N54W TO 63N50W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY IN THE GULF OF
SAINT LAWRENCE FROM 46N TO 50N W OF 60W. ELSEWHERE LIGHT TO
MODERATE FREEZING SPRAY FROM 40N TO 60N BETWEEN 58W AND 74W AND
NW OF A LINE FROM 56N60W TO 57N59W TO 65N61W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 150 NM NW OF
A LINE FROM 42N67W TO 46N59W TO 48N52W AND FROM 56N TO 65N
BETWEEN 39W AND 56W.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM NW AND N OF A LINE FROM
48N43W TO 52N37W TO 53N35W...FROM 62N TO 65N W OF 58W...AND
WITHIN 60 NM E OF A LINE FROM 55N42W TO 58N44W TO 64N39W.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 64N BETWEEN 46W 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 WED DEC 03.
24 HOUR FORECAST VALID 1200 UTC THU DEC 04.
48 HOUR FORECAST VALID 1200 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 15N TO 20N BETWEEN 55W AND 58W E WINDS 20 TO 25 KT.
SEAS 2.5 TO 3 M. FROM 22N TO 28N E OF 40W WINDS 20 KT OR LESS.
SEAS
2.5 TO 3 M IN NW SWELL. ELSEWHERE FROM 20N TO 27N BETWEEN 50W AND

62W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN N SWELL.
.24 HOUR FORECAST FROM 11N TO 19N BETWEEN 50W AND 60W NE TO E
WINDS
20 TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE S OF 22N AND E OF
60W...AND
FROM 22N TO 28N AND E OF A LINE FROM 28N37W TO 22N45W WINDS 20 KT
OR
LESS. SEAS 2.5 TO 3 M PRIMARILY IN NE SWELL.
.48 HOUR FORECAST FROM 08N TO 18N E OF 50W WINDS 20 KT OR LESS.
SEAS
2.5 TO 3 M IN NE SWELL. FROM 15N TO 21N E OF 40W WINDS 20 KT OR
LESS. SEAS 2.5 M IN NE SWELL.

.CARIBBEAN TROUGH ALONG 63W S OF 18N. FROM 10N TO 13N E OF TROUGH
TO
60W E TO SE WINDS 20 TO 25 KT. SEAS BUILDING TO 8 FT.
.12 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.
.18 HOUR FORECAST TROUGH ALONG 68W S OF 17N. WINDS 20 KT OR LESS.

SEAS LESS THAN 2.5 M.

.GULF OF AMERICA 36 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.
.48 HOUR FORECAST COLD FRONT FROM 30N89W TO 26N94W TO 22N97W. S
OF
26N W OF FRONT NW TO N 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 GR. NATIONAL HURRICANE CENTER.

$$