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000
FZNT01 KWBC 111004
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC THU APR 11 2024

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

PLEASE SEE A PROPOSAL AND REQUEST FOR COMMENTS TO INCREASE THE
READABILITY OF THE HIGH SEAS FORECAST (WEB ADDRESS LOWERCASE).
HTTPS://OCEAN.WEATHER.GOV/PROPOSED_HIGH_SEAS_TROPICAL.PHP

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 11.
24 HOUR FORECAST VALID 0600 UTC APR 12.
48 HOUR FORECAST VALID 0600 UTC APR 13.

.WARNINGS.

...STORM WARNING...
.FROM 31N TO 35N BETWEEN 75W AND 79W WINDS 20 TO 30 KT. SEAS TO 9
FT.
.06 HOUR FORECAST FROM 31N TO 35N W OF 74W WINDS 25 TO 35 KT.
SEAS 8 TO 12 FT.
.24 HOUR FORECAST FROM 31N TO 40N BETWEEN 70W AND 74W WINDS 35 TO
50 KT. SEAS 10 TO 18 FT. ELSEWHERE FROM 31N TO 41N W OF 66W WINDS
25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST WITHIN 420 NM E OF A LINE FROM 50N64W TO 40N66W
TO 32N69W WINDS 30 TO 45 KT. SEAS 10 TO 24 FT. ELSEWHERE FROM 31N
TO 38N W OF 67W WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.LOW E OF AREA 56N29W 982 MB MOVING NE 20 KT. WITHIN 1140 NM S
AND 780 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 24 FT.
.24 HOUR FORECAST WELL E OF AREA WITH NEW LOW TO FORM NEAR 59N31W
998 MB. WITHIN 240 NM W SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO
13 FT.
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

...GALE WARNING...
.12 HOUR FORECAST NEW LOW 45N37W 1003 MB. WITHIN 240 NM S AND SE
AND 300 NM W AND NW QUADRANTS WINDS 30 TO 45 KT. SEAS 12 TO 18
FT.
.24 HOUR FORECAST LOW E OF AREA 48N29W 1008 MB. WITHIN 720 NM W
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.

.SYNOPSIS AND FORECAST.

.FROM 39N TO 45N BETWEEN 50W AND 58W WINDS 20 TO 30 KT. SEAS TO
11 FT.
.24 HOUR FORECAST NEW LOW 33N40W 1020 MB. FROM 31N TO 38N BETWEEN
40W AND 52W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST LOW DISSIPATED. E OF A LINE FROM 31N50W TO
40N37W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.24 HOUR FORECAST WITHIN 240 NM NE OF A LINE FROM 35N63W TO
44N67W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST CONDITIONS DESCRIBED ABOVE IN WARNINGS
SECTION.

.48 HOUR FORECAST FROM 46N TO 54N E OF 54W WINDS 20 TO 30 KT.
SEAS TO 10 FT.

.LIGHT FREEZING SPRAY N OF 62N W OF GREENLAND AND FROM 46N TO 55N
BETWEEN 50W AND 62W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 62N W OF GREENLAND
AND FROM 46N TO 54N W OF 50W.
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF 61N W OF GREENLAND.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 58N TO 64N
BETWEEN 46W AND 56W AND FROM 40N TO 48N BETWEEN 41W AND 54W.
.24 HOUR FORECAST DENSE FOG N OF 40N W OF 64W.
.48 HOUR FORECAST DENSE FOG N OF 40N BETWEEN 57W AND 67W...N OF
61N W OF 50W...AND FROM 50N TO 58N BETWEEN 36W AND 46W.

.FORECASTER OCEAN FORECAST BRANCH. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 0600 UTC THU APR 11.
24 HOUR FORECAST VALID 0600 UTC FRI APR 12.
48 HOUR FORECAST VALID 0600 UTC SAT APR 13.

.WARNINGS.

...ATLANTIC GALE WARNING...
.ATLC WITHIN 31N76W TO 31N81W TO 26N80W TO 27N78W TO 31N76W SE
TO S WINDS 20 TO 30 KT. SEAS 8 FT.
.06 HOUR FORECAST WITHIN 30N80W TO 31N80W TO 31N81W TO 30N81W TO
30N80W S WINDS 30 TO 35 KT. SEAS 8 TO 10 FT. ELSEWHERE WITHIN
31N74W TO 31N81W TO 26N80W TO 27N78W TO 31N74W SE TO S WINDS 20
TO 30 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N76W TO 26N80W. WITHIN
31N74W TO 31N77W TO 30N77W TO 29N76W TO 30N74W TO 31N74W S TO SW
WINDS 30 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 31N69W TO
31N77W TO 28N79W TO 27N77W TO 29N70W TO 31N69W S WINDS 20 TO 30
KT. SEAS 8 TO 10 FT. WITHIN 31N77W TO 31N81W TO 29N81W TO 29N80W
TO 29N78W TO 31N77W W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.30 HOUR FORECAST COLD FRONT FROM 31N74W TO 23.5N83.5W. WITHIN
31N68W TO 31N74W TO 28N75W TO 28N73W TO 29N70W TO 31N68W S WINDS
20 TO 30 KT. SEAS 8 TO 10 FT. WITHIN 31N74W TO 31N80W TO 28N78W
TO 29N75W TO 31N74W W TO NW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST COLD FRONT FROM 31N69W TO 23N79W. WITHIN
31N63W TO 31N69W TO 30N68W TO 30N64W TO 31N63W S WINDS 20 TO 25
KT. SEAS 8 FT. WITHIN 31N69W TO 31N80W TO 30N78W TO 30N72W TO
31N69W W TO NW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.

...CARIBBEAN GALE WARNING...
.CARIBBEAN WITHIN 16N70W TO 18N70W TO 18N73W TO 13N78W TO 11N75W
TO 12N72W TO 16N70W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
WITHIN 14N71W TO 14N72W TO 12N72W TO 11N72W TO 12N70W TO
14N71W...INCLUDING THE GULF OF VENEZUELA... E WINDS 20 TO 30 KT.
SEAS LESS THAN 8 FT. ELSEWHERE WITHIN 15N74W TO 17N74W TO 16N78W
TO 11N81W TO 11N76W TO 14N77W TO 15N74W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN E SWELL.
.24 HOUR FORECAST WITHIN 15N71W TO 15N78W TO 12N79W TO 11N77W TO
11N75W TO 13N71W TO 15N71W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO
10 FT. WITHIN 12N70W TO 12N71W TO 12N72W TO 11N72W TO 11N70W TO
12N70W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20 TO
25 KT. SEAS LESS THAN 8 FT.
.42 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 12N76W TO 11N75W TO
11N74W TO 12N74W NE WINDS 30 TO 35 KT. SEAS 8 TO 10 FT.
ELSEWHERE WITHIN 15N73W TO 14N80W TO 12N82W TO 10N80W TO 10N77W
TO 12N73W TO 15N73W NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. WITHIN
13N70W TO 13N71W TO 12N72W TO 10N72W TO 11N71W TO 11N70W TO
13N70W...INCLUDING THE GULF OF VENEZUELA... NE TO E WINDS 20 TO
30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 12N75W TO 12N76W TO 11N75W TO 11N74W TO
12N75W NE TO E WINDS 30 TO 35 KT. SEAS 8 TO 13 FT. ELSEWHERE
WITHIN 15N75W TO 14N81W TO 11N82W TO 09N81W TO 09N76W TO 12N73W
TO 15N75W NE WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. WITHIN 12N71W
TO 12N72W TO 11N72W TO 11N71W TO 12N71W...INCLUDING THE GULF OF
VENEZUELA... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO COLD FRONT FROM 30N89W TO 19N92W. WITHIN 29N83W
TO 31N88W TO 29N91W TO 28N91W TO 28N90W TO 29N85W TO 29N83W SW TO
W WINDS 20 TO 30 KT WITH FREQUENT GUSTS TO GALE FORCE. SEAS 8 TO
12 FT. ELSEWHERE WITHIN 28N82W TO 30N84W TO 31N87W TO 26N89W TO
23N88W TO 23N85W TO 28N82W S WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
ELSEWHERE WITHIN 31N87W TO 30N95W TO 28N97W TO 25N98W TO 23N94W
TO 23N92W TO 31N87W NW WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.18 HOUR FORECAST COLD FRONT FROM COLD FRONT FROM 26N81.5W TO
22N86W. WITHIN 28N83W TO 30N84W TO 30N87W TO 28N92W TO 24N91W TO
24N88W TO 28N83W NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST COLD FRONT MOVE SE OF AREA. WITHIN 27N83W TO
30N84W TO 29N87W TO 27N90W TO 24N89W TO 24N86W TO 27N83W WINDS 20
KT OR LESS. SEAS 8 FT IN MIXED SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 20N55W TO 21N57W TO 21N60W TO 20N61W TO 18N61W TO
18N56W TO 20N55W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 10 FT.
ELSEWHERE WITHIN 31N35W TO 31N55W TO 25N53W TO 23N73W TO 10N48W
TO 21N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW AND
N SWELL.
.24 HOUR FORECAST WITHIN 20N50W TO 24N57W TO 24N62W TO 19N65W TO
17N63W TO 17N53W TO 20N50W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO
10 FT. ELSEWHERE WITHIN 20N43W TO 26N57W TO 23N71W TO 16N61W TO
06N53W TO 07N44W TO 20N43W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN
NW SWELL.
.48 HOUR FORECAST WITHIN 31N37W TO 31N52W TO 22N60W TO 17N59W TO
19N49W TO 31N37W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 11 FT.
ELSEWHERE WITHIN 31N35W TO 27N48W TO 31N55W TO 28N65W TO 19N68W
TO 07N55W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N AND
NE SWELL.

.ATLC AND CARIBBEAN WITHIN 20N73W TO 21N73W TO 21N74W TO 20N74W
TO 20N73W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.CARIBBEAN WITHIN 18N84W TO 19N85W TO 19N87W TO 19N88W TO 16N88W
TO 16N85W TO 18N84W...INCLUDING THE GULF OF HONDURAS... SE WINDS
20 TO 30 KT. SEAS 8 FT.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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


.FORECASTER AL. NATIONAL HURRICANE CENTER.

$$