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000
FZNT01 KWBC 112206
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC APR 11.
24 HOUR FORECAST VALID 1800 UTC APR 12.
48 HOUR FORECAST VALID 1800 UTC APR 13.

.WARNINGS.

...STORM WARNING...
.FROM 31N TO 38N W OF 71W WINDS 25 TO 40 KT. SEAS TO 14 FT.
ELSEWHERE WITHIN 300 NM NE OF A LINE FROM 42N72W TO 37N64W WINDS
20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW INLAND NEAR 46N79W 980 MB. WITHIN 240 NM E
OF A LINE FROM 44N71W TO 35N71W WINDS 40 TO 50 KT. SEAS 12 TO 24
FT. ELSEWHERE W OF A LINE FROM 52N56W TO 36N60W TO 31N67W WINDS
25 TO 40 KT. SEAS 8 TO 17 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER WELL INLAND AND
NEW SECOND CENTER 45N66W 994 MB. WITHIN 240 NM E OF A LINE FROM
46N62W TO 36N63W WINDS 40 TO 50 KT. SEAS 15 TO 24 FT. ELSEWHERE
WITHIN AN AREA BOUNDED BY A LINE FROM 31N77W TO 41N76W TO 54N50W
TO 40N50W TO 31N58W TO 31N77W WINDS 25 TO 40 KT. SEAS 8 TO 18
FT...HIGHEST S AND SE OF LOW CENTER.

...GALE WARNING...
.N OF 50N E OF 50W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.
.12 HOUR FORECAST NEW LOW 59N32W 997 MB WITHIN 240 NM W
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 10 TO 14 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.

...GALE WARNING...
.LOW 45N36W 1004 MB MOVING NE 25 KT. FROM 40N TO 50N E OF 50W
WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA.

...GALE WARNING...
.FROM 35N TO 40N BETWEEN 54W AND 46W WINDS 20 TO 30 KT. SEAS 8 TO
12 FT. ELSEWHERE S OF 40N E OF 46W WINDS TO 25 KT. SEAS 8 TO 12
FT IN MIXED SWELL.
.24 HOUR FORECAST NEW LOW E OF AREA NEAR 34N34W 1020 MB. WITHIN
180 NM N OF A LINE FROM LOW CENTER TO 31N45W WINDS 25 TO 35 KT.
SEAS 8 TO 12 FT. ELSEWHERE FROM 31N TO 50N E OF 45W WINDS LESS
THAN 25 KT. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST LOW E OF AREA NEAR 33N34W 1014 MB. S OF 40N E
OF 43W WINDS 25 TO 35 KT. SEAS 8 TO 17 FT.

.SYNOPSIS AND FORECAST.

.48 HOUR FORECAST FROM 45N TO 52N BETWEEN 47W AND 35W WINDS 20 TO
30 KT. SEAS 8 TO 13 FT.

.48 HOUR FORECAST WITHIN 120 NM S OF A LINE FROM 60N45W TO 60N35W
WINDS 20 TO 30 KT. SEAS TO 10 FT.

.LIGHT FREEZING SPRAY N OF 62N W OF GREENLAND AND WITHIN 120 NM E
OF GREENLAND.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM FROM 40N TO 44N
W OF 68W.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 50N W OF 60W.
.48 HOUR FORECAST DENSE FOG FROM FROM 44N TO 50N W OF 60W...AND
FROM 51N TO 57N W OF 50W.

.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 MEXICO

SYNOPSIS VALID 1800 UTC THU APR 11.
24 HOUR FORECAST VALID 1800 UTC FRI APR 12.
48 HOUR FORECAST VALID 1800 UTC SAT APR 13.

.WARNINGS.

...ATLC GALE WARNING...
.WITHIN 30N80W TO 31N79W TO 31N81W TO 31N82W TO 28N80W TO
28N79W TO 30N80W S TO SW WINDS 30 TO 35 KT. SEAS 8 TO 12 FT.
ELSEWHERE WITHIN 31N74W TO 31N79W TO 30N80W TO 26N80W TO 27N77W
TO 29N75W TO 31N74W...INCLUDING ATLANTIC EXPOSURES...S WINDS 20
TO 30 KT. SEAS 8 TO 11 FT.
.18 HOUR FORECAST COLD FRONT FROM 31N75W TO 23N80W. WITHIN 31N68W

TO 31N80W TO 28N78W TO 28N71W TO 31N68W SW WINDS 20 TO 30 KT.
SEAS 8 TO 12 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 31N62W TO 31N67W TO 30N66W TO 30N64W TO
31N62W S TO SW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE
WITHIN
31N67W TO 31N75W TO 30N74W TO 30N72W TO 31N67W WINDS 20 KT OR
LESS.
SEAS 8 TO 9 FT IN NW SWELL.

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

...GULF OF MEXICO GALE WARNING...
.COLD FRONT FROM 29N83W TO 22N87W. WITHIN 30N84W TO 31N88W TO
30N90W TO 28N91W TO 27N83W TO 28N82W TO 30N84W W TO NW WINDS 20
TO 30 KT WITH FREQUENT GUSTS TO GALE FORCE. SEAS 8 TO 11 FT.
ELSEWHERE WITHIN 28N84W TO 27N89W TO 29N93W TO 26N94W TO 24N90W
TO 26N83W TO 28N84W W TO NW WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
REMAINDER OF AREA WITHIN 24N90W TO 26N95W TO 24N95W TO 22N94W TO
24N89W TO 24N90W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW SWELL.
.06 HOUR FORECAST COLD FRONT FROM 29N82W TO 21N87W. WITHIN 28N83W

TO 30N84W TO 30N87W TO 28N92W TO 24N91W TO 24N88W TO 28N83W NW TO

N WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.18 HOUR FORECAST FRONT SE OF AREA. CONDITIONS IMPROVE. WINDS 20
KT OR LESS. SEAS LESS THAN 8 FT.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 27N38W TO 24N52W TO 24N69W TO 06N54W TO 07N47W TO
16N35W TO 27N38W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 31N40W TO 31N55W TO 20N69W TO 08N58W TO
07N48W TO 15N48W TO 31N40W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES AND ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 31N37W TO 31N42W TO 30N41W TO 29N40W TO
30N38W TO 31N37W N TO NE WINDS 20 TO 25 KT. SEAS 10 TO 12 FT.
ELSEWHERE WITHIN 31N35W TO 31N58W TO 22N65W TO 12N59W TO 11N54W
TO 19N41W TO 31N35W...INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE SWELL.

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


.FORECASTER ERA. NATIONAL HURRICANE CENTER.

$$