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000
FZNT01 KWBC 121613
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI APR 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 12.
24 HOUR FORECAST VALID 1200 UTC APR 13.
48 HOUR FORECAST VALID 1200 UTC APR 14.

.WARNINGS.

...STORM WARNING...
.FROM 33N TO 40N BETWEEN 69W AND 72W WINDS 40 TO 50 KT. SEAS 12
TO 21 FT. ELSEWHERE S OF 44N W OF 65W WINDS 25 TO 40 KT. SEAS 9
TO 16 FT. ALSO S OF 50N W OF 60W WINDS TO 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST WITHIN 420 NM E OF A LINE FROM 43N62W TO
41N64W TO 32N68W WINDS 30 TO 45 KT. SEAS 10 TO 20 FT. ELSEWHERE
S OF 50N BETWEEN  56W AND 65W WINDS 25 TO 35 KT. SEAS 9 TO 15
FT. ALSO S OF 50N W OF 54W WINDS TO 25 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST FROM 32N TO 60N BETWEEN 50W AND 60W WINDS 25
TO 35 KT. SEAS 8 TO 18 FT. ELSEWHERE FROM 32N TO 56N BETWEEN 48W
AND 70W WINDS TO 25 KT. SEAS TO 12 FT.

...GALE WARNING...
.24 HOUR FORECAST NEW LOW 61N40W 1009 MB. WITHIN 180 NM S
SEMICIRCLE WINDS TO 25 KT. SEAS TO 10 FT.
.30 HOUR FORECAST LOW 61N35W 1000 MB. FROM 58N TO 60N E OF 45W
WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW WELL E OF AREA. N OF 60N E OF 40W WINDS TO
25 KT. SEAS TO 10 FT.

...GALE WARNING...
.24 HOUR FORECAST S OF 40N E OF 43W AREA OF NE WINDS 20 TO 30
KT. SEAS TO 12 FT.
.30 HOUR FORECAST S OF 40N E OF 43W AREA OF NE WINDS 25 TO 35
KT. SEAS 9 TO 14 FT.
.48 HOUR FORECAST S OF 42N E OF 42W AREA OF NE WINDS 25 TO 35
KT. SEAS 10 TO 20 FT.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST FROM 46N TO 54N E OF 50W WINDS 20 TO 30 KT.
SEAS 8 TO 12 FT.
.48 HOUR FORECAST FROM 50N TO 55N E OF 45W WINDS 20 TO 30 KT.
SEAS 8 TO 12 FT.

.LIGHT FREEZING SPRAY N OF 60N W OF GREENLAND AND WITHIN 120 NM
E OF GREENLAND.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 60N W OF
GREENLAND.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 42N W OF 62W.
.24 HOUR FORECAST DENSE FOG NW OF A LINE FROM 45N55W TO 42N62W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 58N BETWEEN 47W AND 62W.

.FORECASTER KREKELER. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

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

SYNOPSIS VALID 1200 UTC FRI APR 12.
24 HOUR FORECAST VALID 1200 UTC SAT APR 13.
48 HOUR FORECAST VALID 1200 UTC SUN APR 14.

.WARNINGS.

...CARIBBEAN GALE WARNING...
.CARIBBEAN WITHIN 14N71W TO 16N77W TO 14N80W TO 12N80W TO 10N78W
TO 12N70W TO 14N71W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT W OF 73W.
.12 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 11N76W TO 11N75W TO
11N74W TO 12N74W NE WINDS 30 TO 40 KT. SEAS 8 TO 13 FT.
ELSEWHERE
WITHIN 12N70W TO 14N74W TO 14N81W TO 09N80W TO 10N72W TO
12N70W...INCLUDING THE GULF OF VENEZUELA...NE WINDS 20 TO 30 KT.
SEAS 8 TO 10 FT FT W OF 73W.
.24 HOUR FORECAST WITHIN 13N73W TO 14N78W TO 12N82W TO 10N82W TO
09N77W TO 13N73W NE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT W OF 73W.
.36 HOUR FORECAST WITHIN 12N74W TO 12N75W TO 12N76W TO 11N76W TO
11N74W TO 12N74W NE WINDS 25 TO 35 KT. SEAS 8 TO 11 FT.
ELSEWHERE
WITHIN 12N70W TO 13N72W TO 13N77W TO 09N76W TO 11N74W TO 10N72W
TO 12N70W...INCLUDING THE GULF OF VENEZUELA...NE WINDS 20 TO 30
KT. SEAS 8 TO 9 FT W OF 74W. REMAINDER OF AREA WITHIN 11N78W TO
13N77W TO 13N80W TO 12N82W TO 10N81W TO 09N77W TO 11N78W WINDS
20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 12N74W TO 13N75W TO 13N78W TO 10N79W TO
09N77W TO 12N74W NE WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N74W TO 23N80.5W. WITHIN 31N68W TO
31N80W TO 28N78W TO 28N71W TO 31N68W SW WINDS 20 TO 30 KT...
EXCEPT W TO NW WINDS W OF FRONT. SEAS 8 TO 13 FT...HIGHEST NEAR
31N76W.
.24 HOUR FORECAST WEAKENING COLD FRONT FROM 31N68W TO 22N77.5W.
WITHIN 31N63W TO 31N67W TO 31N79W TO 30N76W TO 30N64W TO 31N63W
S TO SW WINDS 20 TO 25 KT...EXCEPT W TO NW WINDS W OF FRONT.
SEAS 8 TO 11 FT IN MIXED SWELL. ELSEWHERE WITHIN 31N67W TO
31N73W TO 31N79W TO 29N77W TO 30N73W TO 30N70W TO 31N67W WINDS 20
KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST STATIONARY FRONT FROM 31N61W TO 20.5N75W.
WITHIN 31N60W TO 31N68.5W TO 31N65W TO 31N60.5W TO 31N60W WINDS
20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL.

.ATLC WITHIN 31N35W TO 31N55W TO 29N52W TO 28N47W TO 28N38W TO
31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL.
.24 HOUR FORECAST CONDITIONS MERGED WITH NEXT FEATURE.

.ATLC AND CARIBBEAN WITHIN 22N44W TO 22N50W TO 27N53W TO 26N61W
TO 18N66W TO 16N55W TO 22N44W...INCLUDING ATLANTIC EXPOSURES AND
PASSAGES...NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 11 FT IN N TO NE
SWELL. ELSEWHERE WITHIN 23N42W TO 26N54W TO 16N55W TO 19N69W TO
06N53W TO 07N44W TO 23N42W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 29N54W TO 22N59W TO 17N56W TO
20N41W TO 31N35W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 12 FT IN N
TO NE SWELL. ELSEWHERE WITHIN 23N36W TO 31N35W TO 30N56W TO
20N68W TO 10N59W TO 12N48W TO 23N36W...INCLUDING ATLANTIC
EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
N TO NE SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N42W TO 27N41W TO 29N37W TO
31N35W N TO NE WINDS 20 TO 30 KT. SEAS 13 TO 18 FT IN MIXED
SWELL.
WITHIN 20N40W TO 23N47W TO 23N51W TO 20N48W TO 18N48W TO 18N41W
TO 20N40W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 11 FT IN N TO NE
SWELL. ELSEWHERE WITHIN 31N35W TO 30N54W TO 20N63W TO 12N58W TO
13N51W TO 21N35W TO 31N35W...INCLUDING ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N TO NE
SWELL.

.ATLC AND CARIBBEAN 12 HOUR FORECAST WITHIN 21N72W TO 20N73W TO
21N74W TO 20N75W TO 19N73W TO 20N71W TO 21N72W...INCLUDING THE
WINDWARD PASSAGE...NE TO 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.
.36 HOUR FORECAST WITHIN 20N73W TO 20N75W TO 19N76W TO 19N74W TO
20N73W...INCLUDING THE WINDWARD PASSAGE...NE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.CARIBBEAN 36 HOUR FORECAST WITHIN 21N77W TO 21N78W TO 21N79W TO
22N80W TO 20N80W TO 20N78W TO 21N77W NE WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 20N78W TO 21N79W TO 21N81W TO 18N83W TO
18N81W TO 19N78W TO 20N78W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 8 FT.

.GULF OF MEXICO WITHIN 27N82W TO 29N84W TO 28N86W TO 24N89W TO
23N87W TO 27N82W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN W TO NW
SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.GULF OF MEXICO 12 HOUR FORECAST WITHIN 21N91W TO 21N90W TO
21N91W TO 20N92W TO 19N91W TO 20N91W TO 21N91W...INCLUDING
WITHIN 60 NM OF COAST OF CAMPECHE...N TO NE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.36 HOUR FORECAST WITHIN 21N89W TO 22N90W TO 22N92W TO 20N92W TO
20N91W TO 21N90W TO 21N89W...INCLUDING WITHIN 60 NM OF COAST OF
CAMPECHE...NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.42 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 LEWITSKY. NATIONAL HURRICANE CENTER.