HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC SAT APR 04 2026
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 04.
24 HOUR FORECAST VALID 1800 UTC APR 05.
48 HOUR FORECAST VALID 1800 UTC APR 06.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.LOW 46N48W 994 MB MOVING E THEN NE 35 KT AND RAPIDLY
INTENSIFYING. WITHIN 180 NM W SEMICIRCLE WINDS 40 TO 50 KT. SEAS
TO 4 M. ELSEWHERE FROM 39N TO 49N E OF 71W WINDS 25 TO 40 KT.
SEAS TO 4 M.
.06 HOUR FORECAST LOW 46N44W 984 MB. WITHIN 90 NM NW AND 150 NM
SW QUADRANTS WINDS 50 TO 65 KT. SEAS 5 TO 7 M.
.18 HOUR FORECAST LOW JUST E OF AREA NEAR 49N33W 960 MB. WITHIN
120 NM NW AND 240 NM SW QUADRANTS WINDS 60 TO 85 KT. SEAS 8 TO 14
M.
.24 HOUR FORECAST LOW 51N31W 956 MB. WITHIN 300 NM NW AND 420 NM
NW SW QUADRANTS WINDS 40 TO 55 KT. SEAS 6 TO 11 M. ELSEWHERE
WITHIN 420 NM NW AND 840 NM SW QUADRANTS...AND WITHIN 360 NM SW
OF A LINE FROM 54N39W TO 61N47W WINDS 25 TO 40 KT. SEAS 5 TO 10
M. ELSEWHERE FROM 34N TO 65N E OF 58W WINDS TO 25 KT. SEAS 2.5 TO
5 M.
.48 HOUR FORECAST LOW E OF AREA NEAR 59N27W 959 MB. WITHIN 420 NM
W SEMICIRCLE WINDS 30 TO 45 KT. SEAS 4 TO 7 M. ELSEWHERE S OF 65N
E OF 52W...EXCEPT WHERE DESCRIBED WITH LOW 53N62W BELOW...WINDS
20 TO 30 KT. SEAS 2.5 TO 6.5 M...HIGHEST NEAR 35W.
...GALE WARNING...
.LOW 60N39W 983 MB MOVING S 10 KT. N OF 53N W OF 38W...EXCEPT N
OF 61N E OF GREENLAND...WINDS 30 TO 40 KT. SEAS 4 TO 7 M.
ELSEWHERE N OF 37N BETWEEN 35W AND 61W...EXCEPT WHERE DESCRIBED
WITH LOW 46N48W ABOVE...WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS MERGED WITH LOW
51N31W DESCRIBED ABOVE.
...GALE WARNING...
.24 HOUR FORECAST LOW JUST INLAND NEAR 43N70W 1006 MB. NW AND W
OF A LINE FROM 34N75W TO 39N58W TO 50N59W WINDS 20 TO 30 KT. SEAS
TO 3.5 M.
.36 HOUR FORECAST LOW 47N63W 1000 MB. FROM 44N TO 50N BETWEEN 55W
AND 63W WINDS 30 TO 40 KT. SEAS TO 3.5 M.
.48 HOUR FORECAST LOW DISSIPATED AND NEW LOW WITH MAIN CENTER
INLAND NEAR 53N62W 986 MB. FROM 42N TO 50N BETWEEN 40W AND
48W...AND WITHIN 120 NM E OF A LINE FROM 45N56W TO 37N65W WINDS
25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE FROM 35N TO 63N BETWEEN
48W AND 70W WINDS TO 25 KT. SEAS TO 3.5 M.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY N OF 61N W OF 54W. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N OF 48N W OF 47W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF
54W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 45N BETWEEN
47W AND 60W.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF
GREENLAND.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 51N
BETWEEN 41W AND 53W.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 50N W OF 59W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 58N BETWEEN 42W AND
60W...AND N OF 58N E OF 40W.
.FORECASTER POCHE. 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 SAT APR 04.
24 HOUR FORECAST VALID 1800 UTC SUN APR 05.
48 HOUR FORECAST VALID 1800 UTC MON APR 06.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 25N60W TO 26N64W TO 26N73W TO 22N71W TO 21N65W TO
22N59W TO 25N60W...INCLUDING ATLC EXPOSURES...E WINDS 20 TO 25
KT. SEAS 3 TO 3.5M IN NE TO E SWELL. ELSEWHERE WITHIN 26N55W TO
29N62W TO 28N76W TO 24N76W TO 19N68W TO 20N57W TO
67N55W...INCLUDING
IN ATLC PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE TO
E SWELL.
.24 HOUR FORECAST WITHIN 24N63W TO 27N67W TO 28N76W TO 25N77W TO
19N67W TO 20N60W TO 24N63W...INCLUDING IN ATLC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 16N56W TO 19N61W TO 23N63W TO 20N67W TO
17.5N62W TO 12N58W TO 16N56W WINDS 20 KT OR LESS. SEAS 2.5 M IN
DECAYING NE SWELL.
.ATLC 36 HOUR FORECAST COLD FRONT ALONG 31N BETWEEN 35W AND 47W.
WITHIN 31N35W TO 31N47W TO 30N44W TO 30N38W TO 30N35W TO 31N35W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN N SWELL.
.48 HOUR FORECAST COLD FRONT FROM 28N35W TO 31N48W. N OF FRONT...
WITHIN 31N35W TO 31N42W TO 31N48W TO 28N42W TO 28.5N36W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 4 M IN N SWELL...HIGHEST
E OF 45W.
.ATLC AND GULF OF AMERICA WITHIN 24N79W TO 25N81W TO 25N85W TO
23N84W TO 23N79W TO 24N79W...INCLUDING STRAITS OF FLORIDA...E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.CARIBBEAN WITHIN 13N73W TO 13N72W TO 13N75W TO 13N78W TO 10N78W
TO 10N76W TO 13N73W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.24 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.30 HOUR FORECAST WITHIN 13N70W TO 14N70W TO 13N74W TO 12N74W TO
11N71W TO 11N70W TO 13N70W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.GULF OF AMERICA 18 HOUR FORECAST COLD FRONT FROM 29N92W TO
26N97W. NW OF FRONT...WITHIN 29N92W TO 29N95W TO 26N97W TO
28N95W TO 29N92W N TO NE WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.24 HOUR FORECAST COLD FRONT FROM 30N90W TO 28N94W TO 25N97W. NW
OF FRONT...WITHIN 29N91W TO 30N94W TO 28N97W TO 25N97W TO
27.5N94W TO 28N93W TO 29N91W NE WINDS 20 TO 25 KT. SEAS LESS THAN
2.5 M.
.30 HOUR FORECAST COLD FRONT FROM 30N86W TO 27N93W TO 22N98W. NW
OF FRONT...WITHIN 29N93W TO 29N95W TO 28N97W TO 27N97W TO 27N95W
TO 28N93W TO 29N93W NE WINDS 20 TO 25 KT. SEAS TO 2.5 M. W OF
FRONT...WITHIN 25N97W TO 24N98W TO 22N98W TO 22N97W TO 23N97W TO
25N97W NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M.
.48 HOUR FORECAST COLD FRONT FROM 28N83W TO 26N90W TO 23.5N94W
TO 18N94W. N AND W OF FRONT...WITHIN 29N88W TO 30N95W TO 29N96W
TO 26N97W TO 22N97W TO 18N94W TO 25N95W TO 27N89W TO 29N88W N TO
NE WINDS 20 TO 25 KT...EXCEPT S OF 26N W OF FRONT NW TO N WINDS
20 TO 25 KT. SEAS 2.5 TO 3 M.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.
$$