299
FZNT01 KWBC 060428
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SAT DEC 06 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 06.
24 HOUR FORECAST VALID 0000 UTC DEC 07.
48 HOUR FORECAST VALID 0000 UTC DEC 08.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 50N50W 964 MB MOVING E 25 KT AND A
NEW SECOND LOW 48N36W 978 MB MOVING NE 25 KT THEN TURNING NW
AFTER 18 HOURS AND THEN SW BY 36 HOURS. FROM 44N TO 48N BETWEEN
48W AND 59W WINDS 50 TO 65 KT. SEAS 6 TO 10 M. ALSO WITHIN 480
NM SW AND S QUADRANTS AND WITHIN 180 NM S SEMICIRCLE OF SECOND
LOW WINDS 40 TO 50 KT. SEAS 4 TO 8 M...HIGHEST S OF LOW.
ELSEWHERE E OF A LINE FROM 50N66W TO 38N53W AND FROM 50N TO 53N
E OF 56W WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M.
.12 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 49N41W 963 MB.
WITHIN 180 NM SE AND S QUADRANTS AND FROM 42N TO 48N BETWEEN 37W
AND 48W WINDS 50 TO 65 KT. SEAS 8.5 TO 13 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 50N35W 960 MB.
WITHIN 180 NM S QUADRANT AND FROM 42N TO 48N BETWEEN 35W AND 48W
WINDS 45 TO 60 KT. SEAS 8 TO 12 M. ALSO WITHIN 660 NM S AND SW
AND 840 NM W QUADRANTS WINDS 30 TO 45 KT. SEAS 4.5 TO 9.5
M...HIGHEST S QUADRANT. ELSEWHERE WITHIN 960 NM SW SEMICIRCLE
WINDS 20 TO 30 KT. SEAS 2.5 TO 6.5 M...HIGHEST S QUADRANT.
.48 HOUR FORECAST COMPLEX LOW E OF AREA NEAR 53N32W 968 MB.
WITHIN 360 NM S OF A LINE FROM 48N35W TO 53N51W WINDS 30 TO 45
KT. SEAS 4.5 TO 8 M. ELSEWHERE E OF A LINE FROM 54N55W TO 42N51W
WINDS 20 TO 30 KT. SEAS 4 TO 7 M...HIGHEST SW QUADRANT.

...HURRICANE FORCE WIND WARNING...
.FROM 57N TO 61N BETWEEN 40W AND 45W AREA OF N TO NE WINDS 45 TO
60 KT. SEAS 5.5 TO 9.5 M. ELSEWHERE FROM 56N TO 64N BETWEEN 35W
AND 45W AND FROM 56N TO 60N BETWEN 45W AND 51W WINDS 30 TO 45
KT. SEAS 4 TO 8.5 M.
.06 HOUR FORECAST FROM 57N TO 60N BETWEEN 41W AND 51W WINDS 50
TO 65 KT. SEAS 5 TO 10 M.
.24 HOUR FORECAST WITHIN 120 NM NW OF A LINE FROM 57N45W TO
60N41W AREA OF N TO NE WINDS 50 TO 65 KT. SEAS 6 TO 10.5 M.
ELSEWHERE FROM 57N TO 64N BETWEEN 35W AND 42W AND FROM 55N TO
60N BETWEEN 41W AND 51W WINDS 35 TO 50 KT. SEAS 5 TO 9 M. ALSO
FROM 56N TO 66N BETWEEN 35W AND 57W SEAS 3 TO 7 M.
.48 HOUR FORECAST NEW LOW 55N45W 983 MB. WITHIN 120 NM W OF A
LINE FROM 56N47W TO 58N43W TO 62N41W WINDS  45 TO 60 KT. SEAS
5.5 TO 9 M. ELSEWHERE N OF A LINE FROM 55N50W TO 58N35W WINDS 30
TO 45 KT. SEAS 3 TO 7.5 M.

...GALE WARNING...
.LOW 56N52W 985 MB MOVING SW 10 KT THEN TURNING SE IN 12 HOURS.
BETWEEN 180 NM AND 360 NM W QUADRANT WINDS 25 TO 35 KT. SEAS 2.5
TO 4 M. 4 TO 7 M...HIGHEST NE OF LOW.
.12 HOUR FORECAST LOW 55N53W 985 MB. FROM 52N TO 60N BETWEEN 51W
AND 62W WINDS 30 TO 45 KT. SEAS 4 TO 7.5 M.
.24 HOUR FORECAST AND ASSOCIATED CONDITIONS MERGED WITH LOW
50N35W ABOVE.

...GALE WARNING...
.06 HOUR FORECAST LOW 36N70W 1004 MB. FROM 34N TO 39N BETWEEN
64W AND 72W WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 37N55W 1002 MB. FROM 32N TO 39N BETWEEN
49W AND 61W WINDS 25 TO 40 KT. SEAS 3.5 TO 4.5 M. ELSEWHERE FROM
31N TO 41N BETWEEN 48W AND 63W AND FROM 31N TO 36N BETWEEN 63W
AND 77W WINDS TO 25 KT. SEAS TO 4 M...HIGHEST E OF 65W.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 37N40W 992 MB.
FROM 32N TO 39N BETWEEN 35W AND 51W WINDS 25 TO 40 KT. SEAS 4 TO
6.5 M. ELSEWHERE FROM 31N TO 42N E OF 54W WINDS 20 TO 30 KT.
SEAS 3.5 TO 5.5 M. OTHERWISE S OF 42N E OF 60W WINDS TO 25 KT.
SEAS 3 TO 5 M IN MIXED SWELL...HIGHEST E.

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY WITHIN THE GULF OF SAINT
LAWRENCE W OF 62W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY W
OF A LINE FROM 52N54W TO 56N58W TO 63N64W...AND WITHIN GULF OF
SAINT LAWRENCE W OF 58W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE
FROM 47N52W TO 53N54W TO 59N61W TO 62N62W TO 65N64W...INCLUDING
WITHIN THE GULF OF SAINT LAWRENCE AND WITHIN 60 NM W OF
GREENLAND N OF 64N.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE
FROM 46N62W TO 52N52W TO 63N64W INCLUDING WITHIN THE GULF OF
SAINT LAWRENCE...AND WITHIN 60 NM W OF GREENLAND N OF 64N.

.SYNOPSIS AND FORECAST.

.LOW E OF AREA 56N15W 971 MB MOVING NW 10 KT. FROM 52N TO 60N E
OF 40W WINDS TO 25 KT. SEAS 3.5 TO 5.5 M IN MIXED SWELL.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 48N TO 54N
BETWEEN 48W AND 57W...WITHIN 180 NM SW OF A LINE FROM 58N41W TO
57N50W TO 65N58W...AND FROM 59N TO M63N BETWEEN 35W AND 43W.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM W OF A LINE FROM
51N48W TO 63N57W...FROM 47N TO 52N BETWEEN 41W AND 44W...AND
FROM 56N TO 61N BETWEEN 41W AND 43W.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM SW OF A LINE FROM
54N49W TO M63N64W...FROM 54N TO 58N BETWEEN 45W AND 50W...AND
WITHIN 60 NM E OF GREENLAND.

.FORECASTER BANCROFT. 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 0000 UTC SAT DEC 6.
24 HOUR FORECAST VALID 0000 UTC SUN DEC  7.
48 HOUR FORECAST VALID 0000 UTC MON DEC  8.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N74W TO 31N79W TO 30N78.5W TO 30N75W TO 30.5N74W
TO 31N74W SW TO W WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 31N66W TO 31N78W TO 30N78W TO 30N71W TO
30N66W TO 31N66W W WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.42 HOUR FORECAST CONDITIONS TO MERGE WITH AREA OF NW TO N SWELL
DESCRIBED BELOW.

.ATLC WITHIN 31N35W TO 31N61W TO 30N60W TO 29N51W TO 31N35W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N74W TO 29N62W TO 28N59W TO
27N44W TO 28N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5
M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 31N40W TO 31N51W TO 30N49W TO 30N47W TO
31N41W TO 31N40W SW TO W WINDS 20 TO 25 KT. SEAS 3.5 TO 4.5 M.
ELSEWHERE WITHIN 31N35W TO 31N62W TO 26N53W TO 22N52W TO 22N44W
TO 25N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4 M IN NW TO
N SWELL.

.ATLC WITHIN 20N35W TO 19N62W TO 12N62W TO 07N56W TO 09N35W TO
20N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 17N35W TO 17N55W TO 18N61W TO 10N61W TO
07N48W TO 10N35W TO 17N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M
IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 14N35W TO 13N42W TO 17N58W TO 12N61W TO
07N53W TO 10N35W TO 14N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M
IN NE TO E SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.

$$
.FORECASTER DELGADO. NATIONAL HURRICANE CENTER.