865
FZNT01 KWBC 200936
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC SUN APR 20 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 20.
24 HOUR FORECAST VALID 0600 UTC APR 21.
48 HOUR FORECAST VALID 0600 UTC APR 22.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH MEAN CENTER 50N61W 998 MB MOVING E 15 KT.
WITHIN AN AREA BOUNDED BY A LINE FROM 35N77W TO 46N68W TO 49N46W
TO 42N46W TO 35N70W TO 35N77W WINDS 25 TO 40 KT. SEAS 8 TO 13
FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 49N53W 984 MB AND
SECOND CENTER E OF AREA NEAR 51N34W 996 MB. WITHIN 240 NM W
SEMICIRCLE OF MAIN CENTER WINDS 35 TO 45 KT. SEAS 10 TO 17 FT.
ELSEWHERE WITHIN AN AREA BOUNDED BY A LINE FROM 35N62W TO 44N70W
TO 54N62W TO 53N35W TO 41N35W TO 35N47W TO 35N62W TO 35N62W WINDS
25 TO 40 KT. SEAS 8 TO 18 FT...HIGHEST NEAR 47N38W.
.30 HOUR FORECAST LOW 48N52W 984 MB. WITHIN 360 NM SW SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 12 TO 22 FT.
.48 HOUR FORECAST LOW 50N45W 984 MB. WITHIN 300 NM N OF A LINE
FROM 52N52W TO 56N41W...AND WITHIN 360 NM S SEMICIRCLE WINDS 35
TO 45 KT. SEAS 15 TO 26 FT. ELSEWHERE 840 NM SE...AND 720 NM SW
QUADRANTS...AND E OF A LINE FROM 50N60W TO 57N55W TO 63N43W WINDS
25 TO 40 KT. SEAS 10 TO 19 FT.

...GALE WARNING...
.LOW 58N35W 997 MB MOVING SW 10 KT. N OF 57N E OF 47W WINDS 25 TO
40 KT. SEAS 8 TO 15 FT. ELSEWHERE N OF 45N E OF 40W WINDS 20 TO
30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 56N42W 1000 MB. WITHIN 240 NM N OF A LINE
FROM 53N53W TO 57N40W...AND N OF 56N E OF 45W WINDS 25 TO 40 KT.
SEAS 8 TO 19 FT...HIGHEST NEAR LOW CENTER.
.48 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS ABSORBED
BY LOW 50N45W DESCRIBED ABOVE.

.SYNOPSIS AND FORECAST.

.FROM 31N TO 35N BETWEEN 61W AND 52W WINDS 20 TO 30 KT. SEAS TO
10 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.48 HOUR FORECAST FROM 36N TO 42N W OF 71W WINDS TO 25 KT. SEAS
LESS THAN 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 50N
BETWEEN 65W AND 48W...AND FROM 57N TO 63N BETWEEN 50W AND 38W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 52N BETWEEN 60W AND 44W.
.48 HOUR FORECAST DENSE FOG WITHIN 300 NM W AND NW OF A LINE FROM
47N52W TO 55N40W.

.LIGHT FREEZING SPRAY N OF 64N W OF GREENLAND.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 63N W OF GREENLAND.
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF 62N W OF GREENLAND.

.FORECASTER BYRD. 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 0600 UTC SUN APR 20.
24 HOUR FORECAST VALID 0600 UTC MON APR 21.
48 HOUR FORECAST VALID 0600 UTC TUE APR 22.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N53W TO 31N61W TO 27N67W TO 23N78W TO 20N67W TO
25N58W TO 31N53W...INCLUDING ATLANTIC EXPOSURES...NE WINDS 20 TO
25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 28N62W TO 30N62W TO 29N64W TO 27N66W TO
26N66W TO 25N64W TO 28N62W N TO NE WINDS 20 TO 25 KT. SEAS 8 TO
11 FT. ELSEWHERE...WITHIN 25N62W TO 27N57W TO 31N61W TO 23N73W TO
19N68W TO 22N62W TO 25N62W...INCLUDING ATLANTIC
EXPOSURES...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 31N62W TO 28N65W TO 27N69W TO 23N72W TO
20N68W TO 23N64W TO 31N62W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
IN NE SWELL.

.ATLC WITHIN 09N50W TO 09N53W TO 08N53W TO 07N52W TO 07N50W TO
08N50W TO 09N50W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E
SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE.

.ATLC WITHIN 18N36W TO 21N44W TO 17N45W TO 16N49W TO 14N44W TO
16N42W TO 18N36W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E
SWELL.
.24 HOUR FORECAST WITHIN 21N35W TO 20N37W TO 18N35W TO 21N35W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL.
.39 HOUR FORECAST CONDITIONS IMPROVE.

.ATLC AND GULF OF AMERICA WITHIN 25N80W TO 25N84W TO 27N86W TO
24N88W TO 23N85W TO 24N78W TO 25N80W...INCLUDING STRAITS OF
FLORIDA...E TO SE WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 24N78W TO 25N81W TO 25N83W TO 24N84W TO
23N84W TO 23N78W TO 24N78W...INCLUDING STRAITS OF FLORIDA...E
WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN WITHIN 16N76W TO 14N80W TO 10N80W TO 09N77W TO 12N74W
TO 12N71W TO 16N76W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 16N72W TO 16N77W TO 15N80W TO 10N80W TO
10N77W TO 12N74W TO 16N72W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO
10 FT.
.48 HOUR FORECAST WITHIN 13N76W TO 12N78W TO 11N79W TO 11N78W TO
11N75W TO 11N74W TO 13N76W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO
10 FT.

.CARIBBEAN WITHIN 22N80W TO 21N82W TO 19N79W TO 18N75W TO 15N72W
TO 18N70W TO 22N80W...INCLUDING BETWEEN CUBA AND JAMAICA...NE TO
E WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 19N76W TO 21N81W TO 20N81W TO 17N75W TO
16N71W TO 18N69W TO 19N76W...INCLUDING BETWEEN CUBA AND
JAMAICA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.GULF OF AMERICA WITHIN 26N90W TO 25N93W TO 22N94W TO 19N93W TO
21N91W TO 22N89W TO 26N90W...INCLUDING WITHIN 60 NM OF COAST OF
CAMPECHE...E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN 23N89W TO 23N91W TO 23N90W TO 22N90W TO
22N89W TO 23N89W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST CONDITIONS IMPROVE.

.GULF OF AMERICA WITHIN 28N95W TO 28N96W TO 27N96W TO 26N96W TO
26N95W TO 28N95W SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.12 HOUR FORECAST CONDITIONS IMPROVE.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.


.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.

$$