591
FZNT01 KWBC 070446 CCA
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SUN DEC 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 07.
24 HOUR FORECAST VALID 0000 UTC DEC 08.
48 HOUR FORECAST VALID 0000 UTC DEC 09.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 51N35W 960 MB MOVING NE 10 KT.
FROM 43N TO 51N BETWEEN 35W AND 39W AND FROM 44N TO 49N BETWEEN
39W AND 48W WINDS 50 TO 65 KT. SEAS 8.5 TO 14.5 M. ALSO FROM 41N
TO 52N BETWEEN 35W AND 50W WINDS 35 TO 50 KT. SEAS 6 TO 10.5
M...HIGHEST S AND SW OF LOW. ELSEWHERE E OF A LINE FROM 56N61W
TO 39N44W WINDS 25 TO 40 KT. SEAS 4 TO 7.5 M. OTHERWISE FROM 34N
TO 43N E OF 50W WINDS TO 25 KT. SEAS 2.5 TO 6.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA NEAR
52N30W 964 MB. W OF 35W BETWEEN 240 NM AND 540 NM SW QUADRANT
WINDS 35 TO 45 KT. SEAS 6 TO 8.5 M. ALSO FROM 43N TO 53N E OF
53W WINDS 25 TO 40 KT. SEAS 3 TO 7 M.
.48 HOUR FORECAST COMPLEX LOW E OF AREA NEAR 57N23W 970 MB WITH
NEW LOW FORMING NEAR 55N35W 975 MB. WITHIN 480 NM W AND 600 NM S
QUADRANTS OF NEW LOW WINDS 30 TO 45 KT. SEAS 4 TO 8.5 M.
ELSEWHERE E OF A LINE FROM 57N54W TO 37N35W WINDS 20 TO 30 KT.
SEAS 3 TO 7 M...HIGHEST S OF LOW.

...HURRICANE FORCE WIND WARNING...
.WITHIN 120 NM NW OF A LINE FROM 57N45W TO 61N41W AREA OF N TO
NE WINDS 50 TO 65 KT. SEAS 6.5 TO 10 M. ELSEWHERE WITHIN 180 NM
NW OF A LINE FROM 57N42W TO 62N37W WINDS 35 TO 50 KT. SEAS 5.5
TO 8.5 M. ALSO N OF 55N E OF 45W AND FROM 55N TO 59N E OF 53W
WINDS 30 TO 45 KT. SEAS 4 TO 7 M.
.24 HOUR FORECAST NEW LOW 56N39W 977 MB. WITHIN 90 NM NW OF A
LINE FROM 57N44W TO 60N39W AREA OF N TO NE WINDS 40 TO 55 KT.
SEAS 6 TO 8.5 M. ELSEWHERE WITHIN 420 NM NW AND 660 NM N
QUADRANTS WINDS 25 TO 40 KT. SEAS 4 TO 7.5 M.
.48 HOUR FORECAST LOW 57N46W 985 MB. WITHIN 120 NM NW OF A LINE
FROM 59N41W TO 63N37W WINDS 40 TO 55 KT. SEAS 6 TO 9.5 M.
ELSEWHERE WITHIN 180 NM NE QUADRANT AND N OF 59N E OF GREENLAND
WINDS 30 TO 45 KT. SEAS 4 TO 8 M. OTHERWISE N OF 57N E OF 51W
WINDS TO 25 KT. SEAS 2.5 TO 6.5 M.

...GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER 37N58W 1002 MB MOVING NE 35 KT.
FROM 32N TO 39N BETWEEN 50W AND 64W WINDS 25 TO 40 KT. SEAS 3 TO
5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 38N39W 994 MB.
WITHIN 180 NM SW AND 300 NM S AND SE QUADRANTS WINDS 30 TO 45
KT. SEAS 4.5 TO 6.5 M. ALSO FROM 31N TO 39N E OF 52W WINDS 25 TO
35 KT. SEAS 4 TO 5.5 M. ELSEWHERE S OF 41N E OF 60W WINDS TO 25
KT. SEAS TO 4 M.
.48 HOUR FORECAST COMPLEX LOW WELL E OF AREA. S OF 40N E OF 47W
WINDS LESS THAN 25 KT. SEAS 3 TO 6 M...HIGHEST NEAR 40N35W.

...GALE WARNING...
.LOW 61N60W 1000 MB MOVING NW 10 KT. WITHIN 360 NM S AND 180 NM
SW QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 6.5 M...HIGHEST S
QUADRANT.
.24 HOUR FORECAST LOW INLAND AND ASSOCIATED CONDITIONS MERGED
WITH LOW 56N39W ABOVE.

...GALE WARNING...
.36 HOUR FORECAST NEW LOW 44N65W 1008 MB. N OF 41N W OF 66W
WINDS 25 TO 35 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 46N56W 992 MB. WITHIN 420 NM SW AND W
QUADRANTS WINDS 30 TO 45 KT. SEAS 2.5 TO 5 M. ELSEWHERE FROM 38N
TO 49N W OF 46W WINDS 20 TO 30 KT. SEAS TO 4 M.

...GALE WARNING...
.36 HOUR FORECAST NEW LOW 59N60W 987 MB. WITHIN 180 NM N AND NE
SEMICIRCLES WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW INLAND 60N71W 983 MB. WITHIN 120 NM N OF A
LINE FROM LOW CENTER TO 62N60W WINDS 25 TO 40 KT. SEAS TO 4 M.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 32N74W 1008 MB. W OF A LINE FROM
38N64W TO 33N74W AREA OF NE TO N WINDS 25 TO 35 KT. SEAS 2.5 TO
4 M.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY W OF A LINE FROM 47N51W TO
53N54W TO 64N64W TO 67N60W...AND WITHIN 60 NM W OF GREENLAND N
OF 64N.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE
FROM 46N61W TO 53N53W TO 62N65W INCLUDING WITHIN THE GULF OF
SAINT LAWRENCE...N OF 65N W OF 60W...AND WITHIN 60 NM W OF
GREENLAND N OF 65N.N
.36 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY FROM 51N TO
55N SW OF 53W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 47N63W TO 52N54W TO 55N54W TO 61N64W INCLUDING WITHIN THE
GULF OF SAINT LAWRENCE. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY W OF A LINE FROM 42N63W TO 49N52W TO 54N51W TO
61N64W...AND N OF 65N W OF 59W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM SW OF
A LINE FROM 53N47W TO 65N60W...AND WITHIN 90 NM NWOF A LINE FROM
58N43W TO 63N37W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM W AND SW OF A LINE
FROM 53N47W TO 63N63W...AND FROM 56N TO 58N BETWEEN 45W AND 51W.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 50N BETWEN 48W AND
57W...WITHIN 120 NM SW OF A LINE FROM 55N43W TO 61N57W...AND
FROM 59N TO 64N BETWEEN 37W AND 43W.

.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 SUN DEC 7.
24 HOUR FORECAST VALID 0000 UTC MON DEC  8.
48 HOUR FORECAST VALID 0000 UTC TUE DEC  9.

.WARNINGS.

...GULF OF AMERICA GALE WARNING...
.GULF OF AMERICA 27 HOUR FORECAST WITHIN 28N91W TO 29N91W TO
30N95W TO 28N97W TO 24N98W TO 24N96W TO 28N91W N WINDS 20 TO 25
KT. SEAS TO 2.5 M.
.45 HOUR FORECAST WITHIN 20N96W TO 19.5N96.5W TO 19N96W TO
19N95.5W TO 19.5N95.5W TO 20N96W...INCLUDING WITHIN 60 NM OF
COAST OF VERACRUZ...NW TO N WINDS 30 TO 35 KT. SEAS 3 TO 3.5 M.
ELSEWHERE WITHIN 22N93W TO 23N94W TO 22N96W TO 20N97W TO 19N96W
TO 19N95W TO 22N93W N WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.
REMAINDER OF AREA WITHIN 25N91W TO 27N93W TO 24N98W TO 19N96W TO
19N94W TO 22N93W TO 25N91W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M
IN N SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N66W TO 31N76W TO 30N74W TO 31N66W W WINDS 20 TO
25 KT. SEAS TO 2.5 M. ELSEWHERE WITHIN 31N35W TO 30N76W TO
29N60W TO 26N54W TO 28N35W TO 31N35W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.5 M IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N49W TO 30N49W TO 28N37W TO
29N35W TO 31N35W SW TO W WINDS 20 TO 25 KT. SEAS 3.5 TO 5 M.
ELSEWHERE WITHIN 31N35W TO 31N62W TO 25N54W TO 20N54W TO 21N45W
TO 24N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW
TO N SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 23N44W TO 18N55W TO 15N52W TO
12N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M IN NW TO
N SWELL.

.ATLC WITHIN 17N35W TO 18N61W TO 10N61W TO 07N49W TO 09N35W TO
17N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 14N35W TO 17N49W TO 17N61W TO 12N61W TO
07N53W TO 10N35W TO 14N35W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN
NE TO E SWELL.
.48 HOUR FORECAST WITHIN 12N36W TO 15N52W TO 18N55W TO 17N61W TO
12N61W TO 06N52W TO 12N36W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M
IN NE TO E SWELL.

.ATLC 39 HOUR FORECAST WITHIN 31N61W TO 31N71W TO 28N73W TO
28N64W TO 31N61W SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST WITHIN 31N56W TO 31N69W TO 29N68W TO 28N59W TO
29N56W TO 31N56W SW TO W WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.

.ATLC 48 HOUR FORECAST WITHIN 31N75W TO 31N81W TO 29N81W TO
29N77W TO 31N75W NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.

.CARIBBEAN 03 HOUR FORECAST WITHIN 12N74W TO 12N76W TO 12N77W TO
11N76W TO 11N74W TO 12N74W NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5
M.
.18 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 DELGADO. NATIONAL HURRICANE CENTER.