HSFAT1
HIGH SEAS FORECAST FOR METAREA IV...CORRECTED PART II
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC MON DEC 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 15.
24 HOUR FORECAST VALID 1800 UTC DEC 16.
48 HOUR FORECAST VALID 1800 UTC DEC 17.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.LOW 48N55W 963 MB MOVING NE 30 KT AND RAPIDLY INTENSIFYING.
FRONT EXTENDS FROM 48N53W TO 45N52W TO 38N54W TO 31N61W. FROM
44N TO 47N BETWEEN 55W AND 61W WINDS 45 TO 60 KT. SEAS 3.5 TO 6
M. ALSO WITHIN 240 NM NW AND W AND 300 NM S QUADRANTS AND WITHIN
240 NM E OF FRONT FROM 35N TO 45N WINDS 35 TO 50 KT. SEAS 4 TO
8.5 M...HIGHEST NEAR 41N52W...EXCEPT WITHIN GULF OF SAINT
LAWRENCE SEAS 2.5 TO 4.5 M. ELSEWHERE FROM 33N TO 54N BETWEEN
47W AND 72W AND WITHIN 540 NM E QUADRANT AND BETWEEN THE FRONT
AND A LINE FROM 48N37W TO 45N35W TO 32N50W...INCLUDING WITHIN
THE GULF OF SAINT LAWRENCE WINDS 25 TO 40 KT. SEAS 2.5 TO 7
M...EXCEPT SEAS TO 2.5 M WITHIN THE GULF OF SAINT LAWRENCE.
.06 HOUR FORECAST LOW 50N53W 946 MB. WITHIN 300 NM S AND 240 NM
SW QUADRANTS WINDS 50 TO 65 KT. SEAS 5 TO 9.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 55N39W 936 MB.
BETWEEN 90 NM AND 360 NM SE AND S QUADRANTS...AND BETWEEN 180 NM
AND 420 NM W QUADRANT WINDS 55 TO 75 KT. SEAS 7.5 TO 16
M...HIGHEST S OF LOW. ALSO WITHIN 360 NM E...540 NM S AND
BETWEEN 180 NM AND 540 W QUADRANTS AND BETWEEN 240 NM AND 420 NM
N QUADRANTS WINDS 40 TO 55 KT. SEAS 5 TO 11.5 M...EXCEPT N OF
55N SEAS 3.5 TO 7.5 M. ELSEWHERE WITHIN 720 NM OF LOW EXCEPT 900
NM S QUADRANT WINDS 25 TO 40 KT. SEAS 3 TO 9 M...EXCEPT N OF 63N
SEAS TO 3 M. OTHERWISE S OF 41N E OF 67W WINDS 20 TO 30 KT. SEAS
2.5 TO 6 M...EXCEPT SEAS TO 3 M WITHIN THE GULF OF SAINT
LAWRENCE.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA NEAR
60N30W 944 MB. BETWEEN 180 NM AND 480 NM W SEMICIRCLE WINDS 40
TO 55 KT. SEAS 7 TO 12 M...HIGHEST NEAR 54N38W. ALSO WITHIN 600
NM W SEMICIRCLE AND 1020 NM S QUADRANT WINDS 30 TO 45 KT. SEAS
4.5 TO 10 M...HIGHEST ALONG 35W S OF CENTER. OTHERWISE S OF 43N
E OF 55W WINDS TO 25 KT. SEAS 2.5 TO 5.5 M.
...GALE WARNING...
.LOW 61N42W 984 MB NEARLY STATIONARY. WITHIN 180 NM SW QUADRANT
AND WITHIN 240 NM SW AND S OF A LINE FROM LOW TO 58N35W WINDS 25
TO 35 KT. SEAS 3 TO 6 M. ELSEWHERE...EXCEPT WHERE DESCRIBED WITH
HURRICANE FORCE WIND WARNING ABOVE...N OF A LINE FROM 48N35W TO
58N50W WINDS TO 25 KT. SEAS 2.5 TO 5.5 M...HIGHEST NEAR 55N35W.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
55N39W IN HURRICANE FORCE WIND WARNING ABOVE.
...GALE WARNING...
.42 HOUR FORECAST INLAND LOW 53N74W 979 MB. FROM 42N TO 45N W OF
65W AREA OF SW WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST INLAND LOW 55N70W 979 MB. FROM 42N TO 45N
BETWEEN 65W AND 69W AND FROM 36N TO 39N BETWEEN 66W AND 72W
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M...HIGHEST NEAR 44N67W.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY NW AND W OF A LINE FROM 58N62W
TO 67N56W AND WITHIN THE GULF OF SAINT LAWRENCE N OF 47N W OF
61W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM
40N74W TO 45N65W TO 52N56W INCLUDING WITHIN THE GULF OF SAINT
LAWRENCE...AND NW OF A LINE FROM 54N56W TO 58N54W TO 60N45W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY WITHIN THE
GULF OF SAINT LAWRENCE N OF 49N...AND W OF A LINE FROM 51N54W TO
54N53W TO 62N61W TO 67N57W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY FROM 45N TO 48N W OF 58W AND W OF A LINE FROM 48N52W TO
56N57W TO 67N57W...INCLUDING WITHIN THE GULF OF SAINT LAWRENCE
AND BAY OF FUNDY...AND N OF 62N WITHIN 120 NM W OF GREENLAND.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE
FROM 53N51W TO 58N60W TO 67N54W...AND WITHIN 90 NM W OF
GREENLAND N OF 62N.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN AN AREA
BOUNDED BY A LINE FROM 42N51W TO 46N62W TO 54N56W TO 50N37W TO
42N51W INCLUDING WITHIN THE GULF OF SAINT LAWRENCE.
.24 HOUR FORECAST DENSE FOG WITHIN 240 NM N AND W OF A LINE FROM
58N35W TO 56N44W TO 53N45W.
.48 HOUR FORECAST DENSE FOG FROM 55N TO 64N BETWEEN 37W AND
42W...AND BETWEEN 60W AND A LINE FROM 51N51W TO 57N59W.
.FORECASTER BANCROFT. OCEAN PREDICTION CENTER.
NATIONAL HURRICANE CENTER MIAMI FL...CORRECTION
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA
SYNOPSIS VALID 1800 UTC MON DEC 15.
24 HOUR FORECAST VALID 1800 UTC TUE DEC 16.
48 HOUR FORECAST VALID 1800 UTC WED DEC 17.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 22N35W TO 21N43W TO 15N43W TO 10N47W TO 08N45W TO
09N35W TO 22N35W NE TO E WINDS 20 TO 25 KT. SEAS 3.5 TO 5.0 M IN
NE SWELL. WITHIN 31N35W TO 25N60W TO 18N62W TO 06N54W TO 07N35W
TO 31N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES AND
ATLANTIC EXPOSURES... E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5
M IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 25N35W TO 23N40W TO 20N41W TO 14N40W TO
13N35W TO 25N35W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M IN
NE SWELL. WITHIN 27N35W TO 22N57W TO 15N61W TO 06N54W TO 07N35W
TO 27N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES AND
ATLANTIC EXPOSURES... WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN
NE TO E SWELL.
.48 HOUR FORECAST WITHIN 27N35W TO 20N60W TO 09N60W TO 06N54W TO
07N35W TO 27N35W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES
AND ATLANTIC EXPOSURES... E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M
IN NE TO E SWELL.
.ATLC WITHIN 31N61W TO 31N81W TO 27N80W TO 25N76W TO 26N68W TO
31N61W...INCLUDING ATLANTIC EXPOSURES... N TO NE WINDS 20 TO 30
KT. SEAS 2.5 TO 4.5 M IN NW TO N SWELL. WITHIN 31N52W TO 31N62W
TO 28N63W TO 27N59W TO 31N52W SW TO W WINDS 20 TO 30 KT. SEAS
2.5 TO 4.5 M IN SE SWELL.
.24 HOUR FORECAST WITHIN 28N67W TO 27N71W TO 24N72W TO 23N70W TO
24N68W TO 25N67W TO 28N67W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5
M IN N SWELL. WITHIN 31N48W TO 30N73W TO 27N78W TO 21N70W TO
26N58W TO 31N48W...INCLUDING ATLANTIC EXPOSURES... NE WINDS 20
TO 25 KT. SEAS 2.5 TO 4.5 M IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 31N38W TO 31N64W TO 26N75W TO 21N69W TO
20N62W TO 26N45W TO 31N38W...INCLUDING ATLANTIC EXPOSURES... E
WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M IN NW TO N SWELL.
.CARIBBEAN 30 HOUR FORECAST WITHIN 13N71W TO 13N73W TO 12N76W TO
11N74W TO 12N73W TO 11N70W TO 13N71W...INCLUDING THE GULF OF
VENEZUELA... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 11N76W TO 12N76W TO 12N78W TO 11N78W TO
10N78W TO 10N77W TO 11N76W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN NE TO E SWELL.
.GULF OF AMERICA WITHIN 27N86W TO 26N96W TO 22N98W TO 19N96W TO
21N93W TO 24N85W TO 27N86W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ... N TO NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M. WITHIN
25N80W TO 25N83W TO 24N84W TO 23N83W TO 23N81W TO 24N80W TO
25N80W...INCLUDING STRAITS OF FLORIDA... NE WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 25N80W TO 25N81W TO 24N84W TO 23N83W TO
23N81W TO 24N80W TO 25N80W...INCLUDING STRAITS OF FLORIDA...
WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.42 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 AL. NATIONAL HURRICANE CENTER.