HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC DEC 06.
24 HOUR FORECAST VALID 1800 UTC DEC 07.
48 HOUR FORECAST VALID 1800 UTC DEC 08.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH MAIN CENTER 50N38W 960 MB MOVING NE 15 KT. FROM
43N TO 50N BETWEEN 35W AND 48W WINDS 50 TO 65 KT. SEAS 7 TO 14 M.
ALSO FROM 39N TO 51N BETWEEN 35W AND 53W WINDS 35 TO 50 KT. SEAS
5 TO 12 M...HIGHEST SW OF LOW. ELSEWHERE FROM 38N TO 54N E OF 57W
WINDS 25 TO 40 KT. SEAS 3 TO 8 M. OTHERWISE FROM 33N TO 43N E OF
58W WINDS TO 25 KT. SEAS 2.5 TO 6 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA NEAR
52N31W 963 MB. WITHIN 180 NM SW OF A LINE FROM 48N35W TO 48N39W
TO 51N44W WINDS 35 TO 45 KT. SEAS 6 TO 11 M. ALSO FROM 42N TO 54N
E OF 55W WINDS 25 TO 40 KT. SEAS 4 TO 8 M.
.48 HOUR FORECAST COMPLEX LOW E OF AREA NEAR 56N24W 965 MB. FROM
45N TO 54N E OF 45W WINDS 35 TO 45 KT. SEAS 5 TO 9.5 M. ELSEWHERE
E OF A LINE FROM 55N51W TO 37N35W WINDS 25 TO 35 KT. SEAS 3 TO
5.5 M...HIGHEST SW OF LOW.
...HURRICANE FORCE WIND WARNING...
.WITHIN 120 NM NW OF A LINE FROM 57N45W TO 60N41W 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 56N47W TO 59N40W TO 63N36W WINDS 35 TO
50 KT. SEAS 4.5 TO 9.5 M. ALSO FROM 55N TO 60N BETWEEN 42W AND
56W AND N OF 57N E OF 42W WINDS 25 TO 40 KT. SEAS 4 TO 7.5 M.
.24 HOUR FORECAST FROM 57N TO 62N BETWEEN 36W AND 47W AREA OF N
TO NE WINDS 45 TO 60 KT. SEAS 6 TO 10 M. ELSEWHERE WITHIN 300 NM
NW OF A LINE FROM 55N45W TO 58N53W TO 59N44W AND N OF 59N E OF
43W WINDS 30 TO 45 KT. SEAS 4.5 TO 8 M.
.48 HOUR FORECAST NEW LOW 54N34W 974 MB. WITHIN 90 NM NW OF A
LINE FROM 57N48W TO 58N42W TO 61N39W WINDS 45 TO 60 KT. SEAS 5.5
TO 10 M. ELSEWHERE WITHIN 480 NM NW AND 660 NM N QUADRANTS WINDS
30 TO 45 KT. SEAS 4 TO 8 M. OTHERWISE N OF 54N E OF 54W WINDS TO
25 KT. SEAS 2.5 TO 6.5 M.
...GALE WARNING...
.COMPLEX LOW WITH MEAN CENTER 37N59W 1002 MB MOVING NE 30 KT.
FROM 32N TO 40N BETWEEN 54W AND 70W WINDS 25 TO 40 KT. SEAS 2.5
TO 4.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 38N42W 995 MB. S
OF 40N BETWEEN 35W AND 59W WINDS 25 TO 40 KT. SEAS 4 TO 7 M.
.48 HOUR FORECAST COMPLEX LOW WELL E OF AREA. S OF 40N E OF 47W
WINDS 20 TO 30 KT. SEAS 3 TO 6 M...HIGHEST E OF 36W.
...GALE WARNING...
.LOW 58N57W 994 MB MOVING NW 10 KT. FROM 50N TO 61N E OF 51W
WINDS 30 TO 45 KT. SEAS 4 TO 8 M.
.24 HOUR FORECAST AND ASSOCIATED CONDITIONS MERGED WITH LOW
52N33W ABOVE.
...GALE WARNING...
.48 HOUR FORECAST LOW 59N62W 984 MB. WITHIN 90 NM NW OF A LINE
FROM LOW CENTER TO 60N57W TO 58N53W WINDS 25 TO 40 KT. SEAS 2.5
TO 4.5 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY W OF A LINE FROM 54N56W TO
57N61W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY W OF A LINE
FROM 46N51W TO 65N64W TO 66N60W...NW OF A LINE FROM 64N40W TO
66N35W...AND WITHIN 60 NM W OF GREENLAND N OF 64N.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE
FROM 48N51W TO 54N52W TO 62N64W INCLUDING WITHIN THE GULF OF
SAINT LAWRENCE..N OF 65N W OF 60W...AND WITHIN 60 NM W OF
GREENLAND N OF 64N.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY SW OF A LINE
FROM 55N55W TO 58N60W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
WITHIN THE GULF OF SAINT LAWRENCE...W OF A LINE FROM 39N74W TO
49N51W TO 55N50W 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 56N51W TO 65N63W...WITHIN 120 NM W OF A LINE FROM
48N43W TO 52N47W...AND WITHIN 90 NM NW OF A LINE FROM 58N43W TO
62N38W TO 63N38W.
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM W AND SW OF A LINE FROM
51N45W TO 57N51W TO 63N64W...AND WITHIN 60 NM W OF A LINE FROM
58N42W TO 64N38W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM S OF A LINE FROM 60N57W
TO 58N44W TO 64N39W...AND FROM 45N TO 48N BETWEEN 52W AND 62W.
.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 SAT DEC 6.
24 HOUR FORECAST VALID 1800 UTC SUN DEC 7.
48 HOUR FORECAST VALID 1800 UTC MON DEC 8.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N35W TO 31N55W TO 29N55W TO 29N48W TO 28N47W TO
30N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW
SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N38W TO 31N39W TO 30N39W TO
30N37W TO 30N35W TO 31N35W SW TO W WINDS 20 TO 25 KT. SEAS 4.0
TO 4.5 M IN NW TO N SWELL. ELSEWHERE WITHIN 31N35W TO 31N47W TO
24N47W TO 27N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5 M
IN NW TO N SWELL.
.48 HOUR FORECAST CONDITIONS TO MERGE WITH AREA OF NW TO N SWELL
DESCRIBED BELOW.
.ATLC WITHIN 31N55W TO 31N68W TO 30N62W TO 30N59W TO 29N55W TO
31N55W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 31N47W TO 31N52W TO 31N55W TO 30N65W TO
29N61W TO 31N52W TO 31N47W W WINDS 20 TO 25 KT. SEAS 3.5 TO 4.0
M IN NW SWELL. ELSEWHERE WITHIN 31N47W TO 31N63W TO 28N54W TO
24N52W TO 24N47W TO 31N47W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M
IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N56W TO 27N50W TO 25N43W TO
20N45W TO 20N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.5
M IN NW TO N SWELL.
.ATLC WITHIN 16N39W TO 16N53W TO 17N61W TO 11N60W TO 08N46W TO
10N35W TO 16N39W...INCLUDING IN ATLANTIC EXPOSURES...WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 13N35W TO 16N54W TO 15N60W TO 10N60W TO
11N51W TO 10N39W TO 13N35W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E
SWELL.
.48 HOUR FORECAST WITHIN 18N37W TO 20N35W TO 20N48W TO 16N61W TO
09N57W TO 15N50W TO 18N37W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 M IN NE SWELL.
.ATLC 45 HOUR FORECAST WITHIN 30N67W TO 31N68W TO 31N70W TO
29N73W TO 28N71W TO 28N69W TO 30N67W SW TO W WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 31N64W TO 31N68W TO 30N70W TO 29N73W TO
29N65W TO 31N64W SW TO W WINDS 20 TO 25 KT. SEAS TO 2.5 M IN W
SWELL.
.CARIBBEAN 12 HOUR FORECAST WITHIN 12N74W TO 13N75W TO 12N76W TO
11N75W TO 12N74W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M
IN NE TO E SWELL. FROM 14.5N TO 15.5N BETWEEN 73W AND 75W WINDS
20 KT OR LESS. SEAS 2.5 M IN E SWELL.
.21 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.GULF OF AMERICA 33 HOUR FORECAST WITHIN 29N93W TO 29N95W TO
28N97W TO 27N97W TO 26N96W TO 27N95W TO 29N93W N WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 23N95W TO 24N97W TO 23N98W TO 21N97W TO
20N96W TO 21N95W TO 23N95W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ...N WINDS 20 TO 30 KT. SEAS TO 3.0 M IN N SWELL. WITHIN
26N92W TO 27N93W TO 26N94W TO 25N96W TO 24N95W TO 26N92W WINDS 20
KT OR LESS. SEAS 2.5 M IN NW TO N SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.
$$