FZNT01 KWBC 150355
HSFAT1 0430
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU AUG 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 15.
24 HOUR FORECAST VALID 0000 UTC AUG 16.
48 HOUR FORECAST VALID 0000 UTC AUG 17.
.WARNINGS.
.SEE PART II FOR MORE INFORMATION ON HURRICANE ERNESTO.
…GALE WARNING…
.LOW 63N37W 986 MB MOVING E 25 KT. BETWEEN 180 NM AND 540 NM S
AND SW QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 18 FT. ELSEWHERE
E OF A LINE FROM 52N56W TO 61N50W WINDS 20 TO 30 KT. SEAS 8 TO
15 FT.
.24 HOUR FORECAST LOW ABSORBED BY LOW WELL E OF AREA WITH
CONDITIONS DESCRIBED WITH LOW 60N42W BELOW.
…GALE WARNING…
.LOW 61N52W 996 MB MOVING SE 20 KT. WITHIN 420 NM W AND NW
QUADRANTS WINDS 25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE N OF 59N W
52W WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 60N42W 994 MB. WITHIN 480 NM SE
QUADRANT…AND 240 NM SW SEMICIRCLE WINDS 25 TO 40 KT. SEAS 9 TO
18 FT. ELSEWHERE FROM 50N TO 62N E OF 51W WINDS 20 TO 30 KT.
SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW E OF AREA 61N30W 985 MB WITH A FRONT
FORECAST TO EXTEND FROM 56N35W TO 52N55W. WITHIN 300 NM S OF
FRONT WINDS TO 25 KT. SEAS TO 12 FT.
…GALE WARNING…
.48 HOUR FORECAST NEW LOW 60N43W 994 MB. WITHIN 240 NM S AND SW
SEMICIRCLES WINDS 25 TO 40 KT. SEAS 9 TO 16 FT. ELSEWHERE WITHIN
300 NM S AND SW SEMICIRCLES…AND 660 NM NW QUADRANTS WINDS 20
TO 30 KT. SEAS 8 TO 14 FT.
.SYNOPSIS AND FORECAST.
.LOW 47N35W 1013 MB MOVING NE 30 KT. WITHIN 480 NM SW QUADRANT
WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED E OF AREA WITH CONDITIONS
DESCRIBED WITH LOW 44N44W BELOW.
.LOW 40N50W 1012 MB MOVING NE 15 KT. WITHIN 360 NM E AND
NE…180 NM SE…AND 420 NM SW QUADRANTS WINDS TO 25 KT. SEAS TO
10 FT.
.24 HOUR FORECAST LOW 44N44W 1016 MB. WITHIN 360 NM E AND
SE…AND 240 NM S AND SW QUADRANTS WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.
.LOW 33N65W 1014 MB MOVING NE 25 KT. FROM 31N TO 34N BETWEEN 60W
AND 70W WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 37N55W 1015 MB. WITHIN 300 NM E AND
NE…180 NM SE…AND 240 NM W AND SW QUADRANTS WINDS TO 25 KT.
SEAS TO 9 FT.
.48 HOUR FORECAST LOW 43N43W 1016 MB. WITHIN 240 NM S AND SE
SEMICIRCLES WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST…EXCEPT WHERE DESCRIBED IN PART II BELOW WITH
HURRICANE ERNESTO…FROM 31N TO 33N BETWEEN 62W AND 74W WINDS TO
25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST…EXCEPT WHERE DESCRIBED IN PART II BELOW WITH
HURRICANE ERNESTO…FROM 31N TO 36N BETWEEN 59W AND 72W WINDS 20
TO 33 KT. SEAS TO 12 FT.
.24 HOUR FORECAST DENSE FOG VSBY OCCASIONALLY LESS THAN 1 NM N
OF 40N W OF 63W…AND FROM 49N TO 60N BETWEEN 44W AND 62W.
.48 HOUR FORECAST DENSE FOG FROM 41N TO 45N BETWEEN 64W AND
71W…AND FROM 50N TO 63N BETWEEN 41W AND 61W.
.FORECASTER MILLS. 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 0000 UTC THU AUG 15.
24 HOUR FORECAST VALID 0000 UTC FRI AUG 16.
48 HOUR FORECAST VALID 0000 UTC SAT AUG 17.
.WARNINGS.
…ATLC HURRICANE WARNING…
.HURRICANE ERNESTO NEAR 23.0N 68.9W 982 MB AT 0300 UTC AUG 15
MOVING NNW OR 330 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS 70 KT
GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM E
SEMICIRCLE…60 NM SW QUADRANT AND 100 NM NW QUADRANT. SEAS 12
FT OR GREATER WITHIN 200 NM E SEMICIRCLE…120 NM SW QUADRANT AND
165 NM NW QUADRANT WITH SEAS TO 32 FT. ELSEWHERE 24N65W TO
26N67W TO 25N71W TO 23N71W TO 20N68W TO 20N65W TO 24N65W WINDS
20 TO 33 KT. SEAS 9 TO 18 FT IN SE TO S SWELL. REMAINDER OF AREA
WITHIN 25N64W TO 27N68W TO 26N71W TO 20N72W TO 19N67W TO 21N63W
TO 25N64W WINDS 20 KT OR LESS. SEAS 8 TO 15 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE ERNESTO NEAR 26.8N 68.6W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS
WITHIN 160 NM E SEMICIRCLE AND 110 NM W SEMICIRCLE. SEAS 12 FT OR
GREATER WITHIN 210 NE QUADRANT…200 NM S SEMICIRCLE…AND 300
NM NW QUADRANT WITH SEAS TO 40 FT. ELSEWHERE WITHIN 28N64W TO
30N67W TO 28N72W TO 24N70W TO 24N67W TO 26N64W TO 28N64W WINDS 20
TO 33 KT. SEAS 9 TO 18 FT. REMAINDER OF AREA OVER FORECAST
WATERS WITHIN 31N66W TO 28N72W TO 31N75W TO 28N77W TO 22N68W TO
25N63W TO 31N66W WINDS 20 KT OR LESS. SEAS 8 TO 16 FT IN MIXED
SWELL.
.48 HOUR FORECAST HURRICANE ERNESTO NEAR 30.5N 66.1W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 170 NM E SEMICIRCLE AND 140 NM W SEMICIRCLE. SEAS 12 FT OR
GREATER WITHIN 300 NM N SEMICIRCLE…270 NM SE QUADRANT AND 240
NM SW QUADRANT WITH SEAS TO 44 FT. ELSEWHERE OVER FORECAST WATERS
WITHIN 31N60W TO 31N70W TO 26N67W TO 26N64W TO 27N62W TO 31N60W
WINDS 20 TO 33 KT. SEAS 11 TO 20 FT. REMAINDER OF AREA OVER
FORECAST WATERS WITHIN 31N59W TO 28N67W TO 30N70W TO 31N80W TO
24N68W TO 25N62W TO 31N59W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT
IN MIXED 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 24 HOUR FORECAST WITHIN 13N69W TO 14N69W TO 14N70W TO
12N70W TO 12N68W TO 13N69W E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.48 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.
UUID 345737A0-5ABA-11EF-AEF3-0AFB0B260000 TX 1
