HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC WED APR 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC APR 22.
24 HOUR FORECAST VALID 1800 UTC APR 23.
48 HOUR FORECAST VALID 1800 UTC APR 24.
.WARNINGS.
...GALE WARNING...
.LOW 62N55W 1015 MB MOVING N 25 KT. N OF A LINE FROM 59N45W TO
58N49W TO 63N55W WINDS 35 TO 45 KT. SEAS 3.5 TO 6 M. ELSEWHERE N
OF A LINE FROM 59N43W TO 52N46W TO 61N57W WINDS 25 TO 35 KT.
SEAS
TO 2.5 TO 5 M.
.24 HOUR FORECAST LOW WELL N OF AREA. FROM 59N TO 63N BETWEEN
46W
AND 51W WINDS 20 TO 30 KT. SEAS TO 3 M.
.30 HOUR FORECAST CONDITIONS DIMINISHED.
...GALE WARNING...
.LOW 38N58W 1005 MB MOVING NE 25 KT. FROM 33N TO 42N BETWEEN 55W
AND 63W WINDS 30 TO 40 KT. SEAS 3 TO 4.5 M. ELSEWHERE FROM 31N
TO
38N BETWEEN 54W AND 70W...AND FROM 38N TO 47N BETWEEN 53W AND
63W
WINDS 20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 47N54W 1002 MB. WITHIN 300 NM NW QUADRANT
WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE FROM 41N TO 55N
BETWEEN
46W AND 61W WINDS 20 TO 30 KT. SEAS TO 4 M.
.48 HOUR FORECAST LOW 51N59W 1005 MB. WITHIN 420 NM E QUADRANT
WINDS TO 25 KT. SEAS TO 3 M.
...GALE WARNING...
.COMPLEX LOW E OF AREA. E OF A LINE FROM 34N35W TO 41N43W TO
51N35W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW E OF AREA 45N26W 973 MB. FROM 37N TO 53N
BETWEEN 35W AND 39W WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M.
.48 HOUR FORECAST LOW E OF AREA 48N27W 982 MB. FROM 48N TO 57N
BETWEEN 35W AND 41W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
...GALE WARNING...
.24 HOUR FORECAST NEW LOW 39N50W 1007 MB. FROM 31N TO 41N
BETWEEN
49W AND 59W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.30 HOUR FORECAST LOW 40N48W 1005 MB. FROM 33N TO 42N BETWEEN
48W
AND 53W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW 40N43W 997 MB. WITHIN 300 NM SW AND W
QUADRANTS WINDS 25 TO 35 KT. SEAS 3 TO 5.5 M. ELSEWHERE WITHIN
240 NM EITHER SIDE OF A LINE FROM 31N40W TO 46N50W WINDS 20 TO
30
KT. SEAS TO 4 M.
...GALE WARNING....
.36 HOUR FORECAST NEW LOW 39N69W 1010 MB. WITHIN 300 NM S
QUADRANT WINDS 25 TO 35 KT. SEAS TO 3 M.
.48 HOUR FORECAST INTENSIFYING LOW 38N61W 998 MB. FROM 34N TO
38N
BETWEEN 58W AND 66W WINDS 30 TO 40 KT. SEAS TO 4 M. ELSEWHERE
FROM 32N TO 40N BETWEEN 57W AND 70W WINDS 20 TO 30 KT. SEAS TO 3
M.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 57N
BETWEEN 45W AND 51W...AND N OF 57N BETWEEN 51W AND 57W.
.24 HOUR FORECAST DENSE FOG FROM 43N TO 57N BETWEEN 48W AND
60W...AND N OF 58N BETWEEN 50W AND 53W.
.48 HOUR FORECAST DENSE FOG WITHIN 60 NM EITHER SIDE OF A LINE
FROM 45N47W TO 51N55W.
.LIGHT FREEZING SPRAY W AND NW OF A LINE FROM 45N58W TO 49N52W
TO
55N52W TO 58N56W TO 65N56W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY W AND NW OF A LINE FROM
46N58W TO 50N54W TO 63N51W.
.48 HOUR FORECAST LIGHT FREEZING SPRAY FROM 48N TO 51N W OF
53W...AND NW OF A LINE FROM 61N59W TO 64N52W...
.FORECASTER HOLLEY. 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 TUE APR 21.
24 HOUR FORECAST VALID 1800 UTC WED APR 22.
48 HOUR FORECAST VALID 1800 UTC THU APR 23.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC COLD FRONT FROM 31N58W TO 22N80W. WITHIN 31N65W TO 31N67W
TO 31N68W TO 29N67W TO 29N66W TO 30N65W TO 31N65W N WINDS 25 TO
30 KT. SEAS 3.5 TO 4.5 M. ELSEWHERE...WITHIN 31N59W TO 31N71W TO
28N80W TO 24N80W TO 24N73W TO 27N64W TO 31N59W...INCLUDING
ATLANTIC EXPOSURES...N TO NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5
M.
.24 HOUR FORECAST COLD FRONT FROM 31N51W TO 20N70W. WITHIN
31N54W TO 31N62W TO 27N69W TO 26N79W TO 21N69W TO 23N61W TO
31N54W...INCLUDING ATLANTIC EXPOSURES...N TO NE WINDS 20 TO 25
KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST COLD FRONT FROM 31N44W TO 21N63W. WITHIN
31N45W TO 31N57W TO 27N58W TO 27N53W TO 29N47W TO 31N45W WINDS 20
KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.ATLC WITHIN 31N35W TO 31N39W TO 29N40W TO 26N37W TO 26N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N37W TO 30N35W TO 31N35W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.42 HOUR FORECAST CONDITIONS IMPROVE.
.GULF OF AMERICA WITHIN 25N81W TO 26N88W TO 24N86W TO 24N84W TO
24N81W TO 25N81W...INCLUDING STRAITS OF FLORIDA...NE TO E WINDS
20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 24N81W TO 25N84W TO 25N86W TO 24N86W TO
24N85W TO 23N82W TO 24N81W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN
E SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.
$$