HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC MON DEC 22 2025
CCODE/1:31:04:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22.
24 HOUR FORECAST VALID 0000 UTC DEC 23.
48 HOUR FORECAST VALID 0000 UTC DEC 24.
.WARNINGS.
...GALE WARNING...
.LOW 67N56W 972 MB MOVING N 15 KT. WITHIN 120 NM S SEMICIRCLE
WINDS 30 TO 45 KT. SEAS 3.5 TO 7.5 M. ELSEWHERE N OF 60N W OF
52W WINDS 25 TO 35 KT. SEAS 3 TO 7 M.
.24 HOUR FORECAST LOW WELL N OF AREA. CONDITIONS DIMINISHED.
...STORM WARNING...
.LOW 64N40W 979 MB MOVING NW 10 KT. FROM 57N TO 60N BETWEEN 35W
AND 44W WINDS 35 TO 50 KT. SEAS 5 TO 8.5 M. ELSEWHERE S OF
61N...AND N OF A LINE FROM 58N46W TO 53N35W...AND NE OF A LINE
FROM 64N40W TO 62N35W WINDS 25 TO 40 KT. SEAS 3.5 TO 7 M.
.24 HOUR FORECAST NEW LOW 63N39W 980 MB. WITHIN 180 NM SE
SEMICIRCLE WINDS 35 TO 50 KT. SEAS 5.5 TO 7.5 M. ELSEWHERE
WITHIN 300 NM SE SEMICIRCLE WINDS 25 TO 40 KT. SEAS 3 TO 6.5 M.
.48 HOUR FORECAST LOW MOVED N OF AREA AND NEW LOW TO FORM NEAR
60N40W 995 MB. WITHIN 180 NM SW SEMICIRCLE WINDS 25 TO 35 KT.
SEAS 3 TO 4.5 M.
...GALE WARNING...
.LOW 51N57W 999 MB MOVING NE 30 KT. WITHIN 360 NM S AND 300 NM
SE QUADRANTS AND N OF 40N W OF 64W WINDS 25 TO 35 KT. SEAS 2.5
TO 3.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 56N41W 994 MB.
WITHIN 300 NM SE SEMICIRCLE WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M.
.48 HOUR FORECAST LOW NE OF AREA WITH CONDITIONS DESCRIBED WITH
LOW 55N39W BELOW.
...GALE WARNING...
.24 HOUR FORECAST NEW COMPLEX LOW WITH MAIN LOW 42N49W 1000 MB.
WITHIN 840 NM W AND SW QUADRANTS WINDS 30 TO 45 KT. SEAS 3.5 TO
7.5 M.
.48 HOUR FORECAST COMPLEX LOW 55N39W 989 MB. FROM 36N TO 58N E
OF 57W WINDS 25 TO 40 KT. SEAS 3 TO 5.5 M.
...GALE WARNING...
.48 HOUR FORECAST FROM 33N TO 39N BETWEEN 66W AND 76W WINDS 25
TO 35 KT. SEAS TO 3,5 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY W OF A LINE FROM 54N55W TO
60N60W TO 66N56W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY NW
OF A LINE FROM 51N57W TO 48N65W...AND N OF 52N W OF 47W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF 63W IN
GULF OF SAINT LAWRENCE...AND W OF 52N54W TO 60N59W TO 63N61W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N AND NW OF A LINE
FROM 41N68W TO 50N49W TO 58N51W TO 60N43W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 52N53W TO 69N60W TO 63N60W. ELSEWHERE LIGHT TO MODERATE
FREEZING SPRAY N OF 43N W OF 51W...AND W AND NW OF A LINE FROM
45N51W TO 55N52W TO 60N42W...AND WITHIN 90 NM OF E GREENLAND
COAST.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 49N TO 55N W
OF 40W.
.24 HOUR FORECAST DENSE FOG WITHIN 120 NM SE OF A LINE FROM
60N35W TO 56N45W...AND FROM 43N TO 49N BETWEEN 45W AND 50W.
.48 HOUR FORECAST DENSE FOG WITHIN 120 NM SE OF A LINE FROM
62N35W TO 58N39W.
.FORECASTER ROWLAND. 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 MON DEC 22.
24 HOUR FORECAST VALID 0000 UTC TUE DEC 23.
48 HOUR FORECAST VALID 0000 UTC WED DEC 24.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N35W TO 27N43W TO 19N44W TO 07N35W TO 31N35W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST WITHIN 25N35W TO 23N37W TO 21N38W TO 19N35W TO
25N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.33 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC 12 HOUR FORECAST WITHIN 31N72W TO 31N81W TO 29N79W TO
29N75W TO 31N72W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 31N55W TO 31N81W TO 23N80W TO 24N70W
TO 31N55W...INCLUDING ATLANTIC EXPOSURES...NE WINDS 20 TO 30 KT.
SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 31N43W TO 31N68W TO 26N78W TO 21N75W
TO 20N66W TO 26N49W TO 31N43W...INCLUDING ATLANTIC EXPOSURES...
NE WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M.
.ATLC AND CARIBBEAN 21 HOUR FORECAST WITHIN 20N73W TO 20N74W TO
20N76W TO 19N76W TO 19N74W TO 19N73W TO 20N73W...INCLUDING
BETWEEN CUBA AND JAMAICA...NE WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.24 HOUR FORECAST WITHIN 20N73W TO 20N74W TO 20N76W TO 19N76W
TO 19N74W TO 19N73W TO 20N73W...INCLUDING BETWEEN CUBA AND
JAMAICA...NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. WITHIN
22N79W TO 22N82W TO 21N83W TO 20N81W TO 19N78W TO 19N77W TO
22N79W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 22N79W TO 22N81W TO 22N82W TO 21N83W TO
20N80W TO 20N78W TO 22N79W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M. WITHIN 20N72W TO 20N74W TO 19N76W TO 18N76W TO 18N75W
TO 19N73W TO 20N72W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.ATLC AND GULF OF AMERICA 21 HOUR FORECAST WITHIN 24N80W TO
25N80W TO 25N81W TO 24N82W TO 23N82W TO 23N80W TO
24N80W...INCLUDING STRAITS OF FLORIDA...NE TO E WINDS 20 TO 25
KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 25N80W TO 24N87W TO 22N86W TO 22N84W
TO 23N83W TO 23N80W TO 25N80W...INCLUDING STRAITS OF FLORIDA AND
IN YUCATAN CHANNEL...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M. WITHIN 22N90W TO 22N91W TO 21N91W TO 20N91W TO
22N90W...INCLUDING WITHIN 60 NM OF COAST OF CAMPECHE...NE WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.39 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.CARIBBEAN WITHIN 12N70W TO 13N72W TO 13N80W TO 09N80W TO 10N71W
TO 12N70W...INCLUDING THE GULF OF VENEZUELA...NE WINDS 20 TO 30
KT. SEAS 2.5 M.
.24 HOUR FORECAST WITHIN 13N70W TO 13N79W TO 10N80W TO 09N78W TO
11N75W TO 10N71W TO 13N70W...INCLUDING THE GULF OF VENEZUELA...
NE WINDS 20 TO 30 KT. SEAS 2.5 M.
.48 HOUR FORECAST WITHIN 12N72W TO 13N74W TO 13N75W TO 12N77W
TO 10N77W TO 11N75W TO 12N72W NE WINDS 25 TO 30 KT. SEAS 2.5 TO
3.0 M.
.CARIBBEAN 27 HOUR FORECAST WITHIN 18N69W TO 18N71W TO 17N72W TO
17N70W TO 18N69W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M.
.48 HOUR FORECAST WITHIN 18N69W TO 18N72W TO 17N73W TO 17N71W TO
17N70W TO 18N69W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M. WITHIN 16N73W TO 16N75W TO 14N76W TO 14N75W TO 15N73W TO
15N72W TO 16N73W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.