HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC WED JAN 21 2026
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JAN 21.
24 HOUR FORECAST VALID 0000 UTC JAN 22.
48 HOUR FORECAST VALID 0000 UTC JAN 23.
.WARNINGS.
...STORM WARNING...
.COMPLEX LOW WITH MAIN CENTER 54N55W 990 MB MOVING NE 05 KT.
WITHIN THE GULF OF SAINT LAWRENCE W OF 64W WINDS 40 TO 50 KT.
SEAS 3 TO 4.5 M. ELSEWHERE W OF A LINE FROM 62N60W TO 57N50W TO
50N42W TO 47N46W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 56N51W 976 MB.
FROM 45N TO 55N BETWEEN 44W AND 58W WINDS 40 TO 50 KT. SEAS 4 TO
7 M. ELSEWHERE FROM 39N TO 60N BETWEEN 44W AND 66W WINDS 25 TO 40
KT. SEAS 2.5 TO 5.5 M.
.48 HOUR FORECAST COMPLEX LOW DISSIPATED. CONDITIONS DESCRIBED
BELOW WITH LOW 55N31W.
...STORM WARNING...
.COMPLEX LOW WITH FIRST CENTER 47N56W 1010 MB MOVING NE 35 KT AND
SECOND CENTER 43N55W 1014 MB MOVING NE 45 KT. FROM 34N TO 47N W
OF 55W WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST COMPLEX LOW 54N37W 983 MB AND SECOND CENTER E
OF AREA NEAR 53N33W 982 MB. FROM 43N TO 51N E OF 44W WINDS 40 TO
50 KT. SEAS 5.5 TO 7.5 M. ELSEWHERE FROM 35N TO 56N E OF 44W
WINDS 25 TO 40 KT. SEAS 2.5 TO 5.5 M.
.48 HOUR FORECAST COMBINED LOW E OF AREA NEAR 55N31W 970 MB. FROM
43N TO 52N E OF 44W WINDS 40 TO 55 KT. SEAS 7.5 TO 10.5 M.
ELSEWHERE BETWEEN 60N AND A LINE FROM 38N35W TO 46N50W WINDS 25
TO 40 KT. SEAS 4 TO 8 M.
...STORM WARNING...
.LOW 59N39W 997 MB MOVING NW 05 KT. WITHIN 120 NM SW SEMICIRCLE
WINDS TO 25 KT. SEAS LESS THAN 4 M.
.24 HOUR FORECAST LOW 61N42W 984 MB. N OF 63N E OF GREENLAND
WINDS 30 TO 45 KT. SEAS 4 TO 5.5. M.
.48 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM NEAR 62N40W
986 MB. N OF 64N E OF GREENLAND WINDS 50 TO 60 KT. SEAS 6 TO 8 M.
ELSEWHERE N OF 63N E OF GREENLAND WINDS 35 TO 50 KT. SEAS 5 TO 7
M. ALSO N OF 61N E OF GREENLAND WINDS 25 TO 35 KT. SEAS 4.5 TO 6
M. OTHERWISE N OF 60N E OF 44W WINDS LESS THAN 25KT. SEAS 3 TO 5
M.
...GALE WARNING...
.LOW 41N50W 1014 MB MOVING NE 40 KT. FROM 33N TO 41N E OF 59W
WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
.12 HOUR FORECAST LOW 44N39W 1009 MB. WITHIN 480 NM S QUADRANT
WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M.
.24 HOUR FORECAST LOW 45N29W 997 MB. CONDITIONS DESCRIBED ABOVE
WITH SECOND STORM WARNING.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MOVED WELL E OF
AREA.
...GALE WARNING...
.N OF 62N W OF GREENLAND AREA OF N WINDS 20 TO 30 KT. SEAS TO 3
M.
.24 HOUR FORECAST N OF 60N W OF 54W AREA OF N WINDS 30 TO 45 KT.
SEAS 2.5 TO 5 M.
.48 HOUR FORECAST NEW LOW 63N54W 982 MB. N OF 54N W OF 50W WINDS
25 TO 40 KT. SEAS 3 TO 6 M.
...GALE WARNING...
.48 HOUR FORECAST NEW LOW 49N59W 1000 MB. FROM 37N TO 51N W OF
49W WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY WITHIN THE GULF OF SAINT
LAWRENCE W OF 59W AND N OF 63N W OF GREENLAND. ELSEWHERE LIGHT TO
MODERATE FREEZING SPRAY W OF A LINE FROM 37N75W TO 49N51W TO
60N57W AND N OF 60N W OF 44W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY FROM 47N TO
56N W OF 48W AND W OF A LINE FROM 61N60W TO 66N57W TO 67N57W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY FROM 44N TO 56N W OF
42W...FROM 59N TO 61N BETWEEN 42W AND 49W...AND W OF A LINE FROM
57N60W TO 60N57W TO 65N56W TO 67N53W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW AND W OF A
LINE FROM 49N62W TO 53N51W TO 58N59W TO 64N58W TO 67N56W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY W OF A LINE FROM
48N44W TO 64N56W TO 67N56W.
.SYNOPSIS AND FORECAST.
.FROM 44N TO 54N E OF 38W WINDS 20 TO 30 KT. SEAS 5 TO 7 M.
ELSEWHERE...EXCEPT WHERE DESCRIBED IN WARNINGS SECTION
ABOVE...FROM 40N TO 57N E OF 49W WINDS LESS THAN 25 KT. SEAS 2.5
TO 5 M.
.24 HOUR FORECAST CONDITIONS MOVED WELL E OF AREA.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 50N TO 60N W OF
47W.
.24 HOUR FORECAST DENSE FOG WITHIN 300 NM NE OF A LINE FROM
54N57W TO 48N36W...N OF 62N E OF GREENLAND...AND W OF A LINE FROM
61N57W TO 66N57W.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 51N W OF 50W...BETWEEN
GREENLAND COAST AND A LINE FROM 62N41W TO 64N35W...AND FROM 60N
TO 64N W OF 51W.
.FORECASTER JOSEPH. 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 0000 UTC WED JAN 21.
24 HOUR FORECAST VALID 0000 UTC THU JAN 22.
48 HOUR FORECAST VALID 0000 UTC FRI JAN 23.
.WARNINGS.
...CARIBBEAN GALE WARNING...
.WITHIN 11.5N74W TO 11.5N74.5W TO 11.5N75W TO 11N75W
TO 11N74.5W TO 11.5N74W NE WINDS 30 TO 35 KT. SEAS 2.5 TO 3.0 M.
ELSEWHERE WITHIN 13N71W TO 14N75W TO 12N78W TO 09N77W TO 12N75W
TO 11N70W TO 13N71W...INCLUDING THE GULF OF VENEZUELA...NE WINDS
20
TO 30 KT. SEAS TO 2.5 M.
.12 HOUR FORECAST WITHIN 12N74W TO 13N76W TO 13N79W TO 10N79W TO
09N76W TO 12N74W NE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST WITHIN 11.5N74.5W TO 11.5N75W TO 11N75W TO
11N74.5W TO 11N74W TO 11.5N74.5W NE WINDS 30 TO 35 KT. SEAS 2.5
TO 3.0 M. ELSEWHERE WITHIN 12N74W TO 13N76W TO 12N77W TO 10N77W
TO 10N76W TO 12N75W TO 12N74W NE WINDS 20 TO 30 KT. SEAS TO 2.5
M.
.36 HOUR FORECAST WITHIN 13N75W TO 13N77W TO 10N78W TO 10N77W TO
11N74W TO 13N75W NE TO E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 11N76W TO 11N74W TO
12N74W NE WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 27N70W TO 28N72W TO 27N77W TO 27N80W TO 24N80W TO
22N77W TO 27N70W...INCLUDING ATLANTIC EXPOSURES...NE WINDS 20
TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 29N62W TO 31N61W TO 30N71W TO 28N77W TO
24N75W TO 27N69W TO 29N62W...INCLUDING ATLANTIC EXPOSURES...
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN E SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC WITHIN 21N71W TO 21N72W TO 21N73W TO 20N73W TO 20N72W TO
20N71W TO 21N71W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST WITHIN 20N71W TO 21N73W TO 20N75W TO 19N75W TO
20N73W TO 20N71W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 20N73W TO 20N74W TO 20N75W TO 19N75W TO
20N73W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.ATLC AND CARIBBEAN WITHIN 28N35W TO 27N55W TO 22N66W TO 14N60W
TO 07N45W TO 07N35W TO 28N35W...INCLUDING IN ATLANTIC EXPOSURES
AND PASSAGES...E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.0 M.
.24 HOUR FORECAST WITHIN 25N35W TO 27N55W TO 21N71W TO 06N51W TO
07N35W TO 25N35W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST WITHIN 26N35W TO 29N59W TO 22N70W TO 06N52W TO
07N35W TO 26N35W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M.
.CARIBBEAN WITHIN 21N78W TO 22N83W TO 21N85W TO 18N81W TO 20N77W
TO 21N78W...INCLUDING BETWEEN CUBA AND JAMAICA...NE WINDS 20 TO
30 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.CARIBBEAN 06 HOUR FORECAST WITHIN 18N70W TO 18N72W TO 18N73W TO
17N72W TO 17N71W TO 18N70W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST WITHIN 18N63W TO 18N72W TO 17N73W TO 16N62W TO
18N63W NE TO E WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.CARIBBEAN AND GULF OF AMERICA WITHIN 25N81W TO 25N83W TO 23N86W
TO 22N86W TO 23N84W TO 23N81W TO 25N81W...INCLUDING STRAITS OF
FLORIDA AND IN YUCATAN CHANNEL...NE TO E WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.0 M.
.24 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 ERA. NATIONAL HURRICANE CENTER.
$$