HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU APR 30 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 30.
24 HOUR FORECAST VALID 0000 UTC MAY 01.
48 HOUR FORECAST VALID 0000 UTC MAY 02.
.WARNINGS.
...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 35N51W 1002 MB MOVING E 15 KT.
WITHIN 180 NM N AND NE SEMICIRCLES WINDS 25 TO 35 KT. SEAS 2.5 TO
4 M. ELSEWHERE FROM 31N TO 42N BETWEEN 42W AND 65W WINDS 20 TO 30
KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW 35N43W 1004 MB. FROM 31N TO 39N BETWEEN 35W
AND 54W WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW 36N39W 1010 MB. FROM 35N TO 43N BETWEEN 35W
AND 42W WINDS 20 TO 30 KT. SEAS TO 3 M.
...GALE WARNING...
.LOW 62N42W 1005 MB NEARLY STATIONARY. N OF 56N BETWEEN 35W AND
45W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 61N41W 1014 MB. FROM 54N TO 61N BETWEEN 35W
AND 47W WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW DISSIPATED. FROM 56N TO 61N BETWEEN 35W AND
46W WINDS TO 25 KT. SEAS TO 3 M.
...GALE WARNING...
.FROM 41N TO 50N BETWEEN 35W AND 42W WINDS 25 TO 35 KT. SEAS 2.5
TO 4.5 M.
.24 HOUR FORECAST FROM 40N TO 48N BETWEEN 35W AND 50W WINDS TO 25
KT. SEAS TO 3.5 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.SYNOPSIS AND FORECAST.
.LOW 61N55W 1001 MB MOVING NE 10 KT. N AND NW OF A LINE FROM
55N45W TO 52N52W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.
.24 HOUR FORECAST WITHIN 300 NM E AND NE OF A LINE FROM 44N68W TO
39N64W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 40N61W 1007 MB. WITHIN 300 NM E OF A LINE
FROM 50N68W TO 42N61W WINDS 20 TO 30 KT. SEAS TO 3 M. ELSEWHERE
WITHIN 300 NM SW AND E QUADRANTS WINDS TO 25 KT. SEAS TO 2.5 M.
.LIGHT FREEZING SPRAY N OF 62N W OF GREENLAND.
.24 HOUR FORECAST LIGHT FREEZING SPRAY NW OF A LINE FROM 61N58W
TO 64N52W.
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF 63N BETWEEN GREENLAND
AND 58W.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 90 NM OF THE
W GREENLAND COAST FROM 60N TO 63N...W OF A LINE FROM 54N55W TO
60N60W...AND FROM 40N TO 42N BETWEEN 65W AND 70W.
.24 HOUR FORECAST DENSE FOG W OF A LINE FROM 45N58W TO 40N68W AND
W OF A LINE FROM 55N55W TO 60N60W.
.48 HOUR FORECAST DENSE FOG FROM 41N TO 54N BETWEEN 45W AND 66W
AND WITHIN 120 NM S OF A LINE FROM 60N41W TO 62N51W.
.FORECASTER COLLINS. 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 THU APR 30.
24 HOUR FORECAST VALID 0000 UTC FRI MAY 01.
48 HOUR FORECAST VALID 0000 UTC SAT MAY 02.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC COLD FRONT FROM 31N46W TO 26N54W TO 23N64W. W OF FRONT
...WITHIN 31N57W TO 31N64W TO 30N60W TO 30N58W TO 31N57W W TO NW
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M IN NW SWELL. ELSEWHERE
W OF FRONT...WITHIN 31N52W TO 31N68W TO 28N64W TO 27N58W TO
29N53W TO 31N52W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW TO N
SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N44W TO 26N47W TO 23N57W.
WITHIN 31N35W TO 31N58W TO 27N56W TO 25N40W TO 28N35W TO 31N35W
WINDS 20 KT OR LESS...EXCEPT S TO SW WINDS 20 TO 25 KT N OF E OF
FRONT N OF 28N.
.48 HOUR FORECAST WEAKENING COLD FRONT FROM 31N35W TO 23N54W.
WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.ATLC WITHIN 31N43W TO 31N47W TO 29N45W TO 28N44W TO 29N43W TO
31N43W S TO SW WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. WITHIN 31N35W
TO 30N43W TO 31N42W TO 31N50W TO 28N44W TO 29N35W TO 31N35W
WINDS 20 KT OR LESS. SEAS TO 2.5 M IN NW TO N SWELL.
.24 HOUR FORECAST CONDITIONS AS DESCRIBED ABOVE WITH COLD FRONT.
.CARIBBEAN WITHIN 13N70W TO 13.5N74W TO 12N78W TO 11N76W TO
12N72W TO 11N70W TO 13N70W...INCLUDING THE GULF OF VENEZUELA...
NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 14N69W TO 14N74W TO 12N76W TO 11N75W TO
12N72W TO 11N70W TO 14N69W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.CARIBBEAN 48 HOUR FORECAST WITHIN 18N85W TO 18N86W TO 18N87W TO
16N86W TO 16N85W TO 17N84W TO 18N85W...INCLUDING THE GULF OF
HONDURAS...E TO SE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.GULF OF AMERICA 48 HOUR FORECAST WITHIN 23N86W TO 24N87W TO
23N89W TO 21N88W TO 22N87W TO 23N86W E TO SE WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.
$$