FZNT01 KWBC 130340
HSFAT1 0430
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE AUG 13 2024
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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
[email protected](LOWERCASE).
FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH
ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP
(ALL LOWERCASE).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 0000 UTC AUG 13.
24 HOUR FORECAST VALID 0000 UTC AUG 14.
48 HOUR FORECAST VALID 0000 UTC AUG 15.
.WARNINGS.
…GALE WARNING…
.COMPLEX LOW WITH MAIN CENTER 58N42W 994 MB MOVING SE
10 KT WILL TURN NE AFTER 12 HOURS. WITHIN 180 NM N AND NE
QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 15 FT. ELSEWHERE
FROM 50N TO 63N E OF 49W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST COMBINED LOW E OF AREA 59N32W 984 MB.
FROM 52N TO 59N E OF 40W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
ELSEWHERE WITHIN 420 NM N OF A LINE FROM 51N35W TO 57N53W
WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW WELL E OF AREA NEAR 61N18W 981 MB.
CONDITIONS DESCRIBED BELOW WITH LOW 61N36W.
…GALE WARNING…
.COMPLEX LOW WITH MAIN CENTER 50N59W 1003 MB MOVING SE 20
KT WILL TURN NE AFTER 24 HOURS. WITHIN 180 NM NE…540 NM E
AND SE…AND 780 NM S AND SW QUADRANTS WINDS TO 25 KT. SEAS
TO 10 FT.
.24 HOUR FORECAST COMBINED LOW 44N49W 1004 MB. WITHIN 240
NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
ELSEWHERE WITHIN 420 NM E AND NE…360 NM SE…AND 780 NM
SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW E OF AREA NEAR 51N20W 1004 MB WITH A
FORECAST FRONT TO EXTEND FROM 46N35W TO 43N45W TO 35N58W.
N OF 31N…WITHIN 240 NM S AND E OF FRONT WINDS TO 25 KT.
SEAS TO 12 FT.
…GALE WARNING…
.36 HOUR FORECAST NEW LOW 61N43W 990 MB. WITHIN 240 S AND
SW QUADRANTS WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 61N36W 988 MB. WITHIN 360 W AND SW
QUADRANTS WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. ELSEWHERE
FROM 51N TO 61N E OF 57W WINDS 20 TO 30 KT. SEAS 8 TO
13 FT.
…GALE WARNING…
.24 HOUR FORECAST LOW 67N61W 992 MB. BETWEEN 120 NM AND 360
NM S AND SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED WITH A NEW LOW TO FORM
NEAR 64N60W 1000 MB. WITHIN 120 NM S AND SW…AND 180 NM W
AND NW QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 13 FT. ELSEWHERE
N OF 61N W OF 55W WINDS TO 25 KT. SEAS TO 11 FT.
.SYNOPSIS AND FORECAST.
.LOW 49N38W 1007 MB MOVING NE 25 KT. WITHIN 180 NM NE…420 NM
S AND SE…AND 540 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO
10 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.
.24 HOUR FORECAST NEW LOW 46N57W 1005 MB. WITHIN 360 NM E
AND NE…AND 300 NM N AND NW QUADRANTS WINDS TO 25 KT. SEAS
TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 53N TO 56N
BETWEEN 38W AND 43W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 48N BETWEEN 43W AND 53W.
.48 HOUR FORECAST CONDITIONS IMPROVED.
.FORECASTER MILLS. 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 0000 UTC TUE AUG 13.
24 HOUR FORECAST VALID 0000 UTC WED AUG 14.
48 HOUR FORECAST VALID 0000 UTC THU AUG 15.
.WARNINGS.
…ATLC HURRICANE WARNING…
.TROPICAL STORM ERNESTO NEAR 16.0N 59.6W 1009 MB AT 0300 UTC AUG
13 MOVING W OR 275 DEG AT 22 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER
EXCEPT 70 NM NE QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM S
SEMICIRCLE…180 NM NE QUADRANT AND 120 NM NW QUADRANT WITH SEAS
TO 14 FT. ELSEWHERE WITHIN 20N56W TO 21N60W TO 18N63W TO 16N61W
TO 15N59W TO 18N58W TO 20N56W…INCLUDING IN ATLANTIC EXPOSURES
AND PASSAGES…WINDS 20 TO 33 KT. SEAS 8 TO 12 FT IN E SWELL.
REMAINDER OF AREA WITHIN 19N52W TO 22N58W TO 21N63W TO 19N63W TO
18N57W TO 14N55W TO 19N52W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
IN E SWELL.
.24 HOUR FORECAST TROPICAL STORM ERNESTO NEAR 17.7N 64.6W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE
WINDS WITHIN 140 NM NE QUADRANT…100 NM SE QUADRANT…30 NM SW
QUADRANT…AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
240 NM NE AND 210 NM NW QUADRANTS AND 0 NM S SEMICIRCLE WITH SEAS
TO 15 FT. ELSEWHERE WITHIN 21N62W TO 22N66W TO 20N67W TO 19N66W
TO 15N64W TO 16N60W TO 21N62W…INCLUDING IN ATLANTIC EXPOSURES
AND PASSAGES…WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF
AREA WITHIN 21N58W TO 24N62W TO 21N68W TO 17N65W TO 15N58W TO
21N58W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN E TO SE SWELL.
.48 HOUR FORECAST HURRICANE ERNESTO NEAR 21.7N 67.8W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 160 NM NE QUADRANT…150 NM SE QUADRANT…80 NM SW
QUADRANT…AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
210 NM E AND 150 NM W SEMICIRCLES WITH SEAS TO 24 FT. ELSEWHERE
WITHIN 23N64W TO 25N65W TO 25N69W TO 23N70W TO 21N69W TO 20N65W
TO 23N64W WINDS 20 TO 33 KT. SEAS 10 TO 15 FT IN SE SWELL.
REMAINDER OF AREA WITHIN 27N64W TO 26N69W TO 22N72W TO 20N71W TO
19N63W TO 21N62W TO 27N64W…INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES…WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN E TO SE SWELL.
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK…SIZE
AND INTENSITY.
.SYNOPSIS AND FORECAST.
.CARIBBEAN WITHIN 13N73W TO 13N74W TO 12N74W TO 12N72W TO 13N73W
NE TO E WINDS 20 TO 25 KT. SEAS TO 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 STRIPLING. NATIONAL HURRICANE CENTER.
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UUID CD61260E-5925-11EF-82BD-0AFB0B270000 TX 1
