HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC WED DEC 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 10.
24 HOUR FORECAST VALID 1800 UTC DEC 11.
48 HOUR FORECAST VALID 1800 UTC DEC 12.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.LOW 55N38W 953 MB MOVING E 20 KT THEN TURNING NE AFTER 12 HOURS.
BETWEEN 120 NM AND 480 NM S AND SW QUADRANTS...AND WITHIN 45 NM
EITHER SIDE OF A LINE FROM 64N35W TO 62N41W TO 58N45W WINDS 50 TO
70 KT. SEAS 6 TO 12.5 M. ELSEWHERE WITHIN 720 NM S...600 NM SW
AND N... AND 360 NM W QUADRANTS WINDS 40 TO 50 KT. SEAS 5 TO 10
M. OTHERWISE E OF A LINE FROM 33N35W TO 47N55W TO 58N58W TO
60N45W WINDS 25 TO 40 KT. SEAS 3 TO 8 M.
.24 HOUR FORECAST LOW ABSORBED E OF AREA. CONDITIONS DESCRIBED
BELOW WITH LOW 61N30W.
...STORM WARNING...
.24 HOUR FORECAST LOW E OF AREA 61N30W 932 MB. N OF 52N BETWEEN
35W AND 42W WINDS 40 TO 55 KT. SEAS 6 TO 9.5 M. ELSEWHERE E OF A
LINE FROM 46N35W TO 58N48W TO 63N42W WINDS 25 TO 40 KT. SEAS 3.5
TO 7 M.
.48 HOUR FORECAST LOW E OF AREA 62N24W 951 MB. WITHIN 540 NM W
QUADRANT WINDS 30 TO 45 KT. SEAS 4 TO 7 M...HIGHEST NEAR 65N36W.
...STORM WARNING...
.LOW WELL INLAND 44N80W 988 MB MOVING NE 30 KT. FROM 33N TO 43N
BETWEEN 66W AND 78W AREA OF SW WINDS 20 TO 30 KT. SEAS TO 3 M.
.06 HOUR FORECAST LOW INLAND 44N76W 989 MB. FROM 31N TO 45N
BETWEEN 64W AND 81W AREA OF S TO SW WINDS 25 TO 35 KT. SEAS TO 4
M.
.24 HOUR FORECAST LOW 49N65W 979 MB. WITHIN 660 NM E OF A FRONT
TO EXTEND FROM 47N57W TO 41N61W TO 35N65W WINDS 35 TO 45 KT. SEAS
3.5 TO 6.5 M. ELSEWHERE WITHIN 300 NM N SEMICIRCLE...AND WITHIN
1200 NM SE AND 1140 NM S QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 6
M.
.42 HOUR FORECAST LOW 50N63W 974 MB. WITHIN 600 NM S QUADRANT
WINDS 35 TO 50 KT. SEAS 4 TO 7.5 M.
.48 HOUR FORECAST LOW 50N62W 976 MB. WITHIN 660 NM S QUADRANT
WINDS 35 TO 50 KT. SEAS 4 TO 7.5 M. OTHERWISE FROM 34N TO 50N
BETWEEN 52W AND 73W WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
...STORM WARNING...
.48 HOUR FORECAST NEW LOW 50N40W 986 MB. E OF A LINE FROM 50N35W
TO 37N47W WIND 35 TO 50 KT. SEAS 4.5 TO 8.5 M. ELSEWHERE FROM 34N
TO 51N BETWEEN 35W AND 51W...AND WITHIN 420 NM E OF A FRONT TO
EXTEND FROM 34N54W TO 31N58W WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
...GALE WARNING...
.LOW 41N63W 1008 MB MOVING NE 30 KT. WITHIN 240 NM SE SEMICIRCLE
WINDS 35 TO 45 KT. SEAS TO 4 M. ELSEWHERE FROM 35N TO 47N BETWEEN
55W AND 66W WINDS 25 TO 35 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED ABOVE WITH
LOW 49N65W.
...GALE WARNING...
.N OF 63N BETWEEN 56W AND 62W AREA OF N WINDS 25 TO 35 KT. SEAS
TO 3.5 M.
.24 HOUR FORECAST N OF 61N BETWEEN 54W AND 61W AREA OF N WINDS 25
TO 35 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST N OF 56N BETWEEN 54W AND 65W AREA OF N TO NE
WINDS 30 TO 45 KT. SEAS 3 TO 5.5 M.
.48 HOUR FORECAST NEW LOW 55N50W 970 MB. FROM 48N TO 58N BETWEEN
38W AND 56W WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY FROM 51N TO 56N W OF 53W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY W AND NW OF A LINE
FROM 47N63W TO 48N50W TO 52N47W TO 58N56W...AND N OF 61N W OF
58W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 64N W OF
58W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY FROM 52N TO 57N W
OF 51W...AND W OF A LINE FROM 56N61W TO 61N62W TO 64N58W TO
67N57W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N
BETWEEN 58W AND 63W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N
OF A LINE FROM 62N51W TO 65N56W TO 59N63W...AND FROM 44N TO 49N
BETWEEN 60W AND 69W.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF A LINE FROM
61N35W TO 58N44W...FROM 45N TO 54N BETWEEN 35W AND 42W...WITHIN
120 NM EITHER SIDE OF A LINE FROM 52N40W TO 58N51W...FROM 56N TO
58N BETWEEN 57W AND 62W...AND FROM 45N TO 49N BETWEEN 55W AND
63W.
.24 HOUR FORECAST DENSE FOG N OF 57N BETWEEN 35W AND 41W...AND
FROM 45N TO 52N BETWEEN 46W AND 67W.
.48 HOUR FORECAST DENSE FOG WITHIN 90 NM OF 64N37W...AND WITHIN
180 NM EITHER SIDE OF A LINE FROM 52N35W TO 57N48W TO 55N58W.
.FORECASTER HUFFMAN. 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 WED DEC 10.
24 HOUR FORECAST VALID 1800 UTC THU DEC 11.
48 HOUR FORECAST VALID 1800 UTC FRI DEC 12.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N36W TO 30N67W TO 26N74W TO 25N68W TO 28N55W TO
29N44W TO 31N36W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO
N SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N38W TO 29N38W TO 28N37W TO
28N35W TO 31N35W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M IN
MIXED WIND WAVES AND NW TO N SWELL. WITHIN 28N37W TO 31N38W TO
31N53W TO 25N61W TO 24N58W TO 24N47W TO 28N37W WINDS 20 KT OR
LESS. SEAS 2.5 TO 4.5 M IN N SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N41W TO 26N41W TO 26N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.ATLC WITHIN 22N35W TO 19N57W TO 07N49W TO 07N35W TO 22N35W NE
TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. WITHIN 29N35W TO
27N39W TO 22N41W TO 22N35W TO 29N35W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST WITHIN 23N35W TO 25N41W TO 21N65W TO 06N55W TO
07N35W TO 23N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES
AND ATLANTIC EXPOSURES...E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M
IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 25N35W TO 26N42W TO 20N63W TO 07N58W TO
07N35W TO 25N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES
AND ATLANTIC EXPOSURES...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO
4.5 M IN NE TO E SWELL.
.ATLC 09 HOUR FORECAST WITHIN 31N74W TO 31N81W TO 30N79W TO
30N77W TO 30N75W TO 31N74W SW TO W WINDS 20 TO 25 KT. SEAS 2.5
TO 3.0 M IN E SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N73W TO 22N76W. WITHIN
31N54W TO 31N70W TO 29N71W TO 28N66W TO 28N62W TO 29N56W TO
31N54W SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. WITHIN 31N70W TO
31N78W TO 29N78W TO 29N73W TO 31N70W W TO NW WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST COLD FRONT FROM 31N60W TO 25N68W. WITHIN
31N52W TO 31N70W TO 28N67W TO 29N59W TO 31N52W WINDS 20 KT OR
LESS. SEAS 2.5 TO 4.5 M IN W TO NW SWELL.
.CARIBBEAN WITHIN 15N70W TO 16N77W TO 15N79W TO 11N79W TO 10N76W
TO 12N69W TO 15N70W...INCLUDING THE GULF OF VENEZUELA... E WINDS
20 TO 25 KT. SEAS TO 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER LANDSEA. NATIONAL HURRICANE CENTER.
$$