FZNT01 KWBC 171608
HSFAT1 1630
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT AUG 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC AUG 17.
24 HOUR FORECAST VALID 1200 UTC AUG 18.
48 HOUR FORECAST VALID 1200 UTC AUG 19.
.WARNINGS.
…HURRICANE WARNING…
.HURRICANE ERNESTO NEAR 32.9N 64.4W 974 MB AT 1500 UTC AUG 17
MOVING NNE OR 025 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 70 KT
GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM NE
QUADRANT…210 NM SE QUADRANT…110 NM SW QUADRANT…AND 160 NM
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 280 NM NW AND SE
QUADRANTS…320 NM NE QUADRANT AND 260 NM SW QUADRANT WITH SEAS
TO 33 FT. ELSEWHERE FROM 31N TO 37N BETWEEN 71W AND 56W WINDS 20
TO 33 KT. SEAS TO 12 FT.
.24 HOUR FORECAST HURRICANE ERNESTO NEAR 35.3N 63.3W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM W SEMICIRCLE…150 NM NE QUADRANT AND 160 NM SE
QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM OF CENTER EXCEPT
360 NM NE QUADRANT WITH SEAS TO 37 FT. ELSEWHERE FROM 31N TO 40N
BETWEEN 70W AND 56W WIND 20 TO 33 KT. SEAS TO 12 FT.
.48 HOUR FORECAST HURRICANE ERNESTO NEAR 41.3N 59.5W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM NE QUADRANT…180 NM SE QUADRANT…130 NM SW
QUADRANT…AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER
WITHIN 300 NM NE AND NW…420 NM SE…AND 240 NM SW QUADRANTS
WITH SEAS TO 45 FT. ELSEWHERE FROM 35N TO 45N BETWEEN 66W AND 51W
WINDS 20 TO 33 KT. SEAS TO 12 FT.
…GALE WARNING…
.LOW 61N41W 995 MB MOVING E 10 KT. WITHIN 180 NM S OF A LINE FROM
63N50W TO LOW CENTER TO 59N35W WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 61N35W 992 MB. WITHIN 240 NM SW AND W OF A
LINE FROM 66N53W TO 58N39W WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW WELL E OF AREA. WITHIN 360 NM S OF A LINE
FROM 62N49W TO 58N35W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.SYNOPSIS AND FORECAST.
.LOW 55N55W 1002 MB MOVING NE 35 KT. WITHIN 300 NM S QUADRANT
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW E OF AREA NEAR 57N31W 997 MB. WITHIN 240 NM
S OF A LINE FROM 51N46W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA.
.LOW 45N37W 1018 MB MOVING NE 25 KT. WITHIN 240 NM SE SEMICIRCLE
WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 48N30W 1014 MB. WITHIN 480 NM SW QUADRANT
WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST NEW LOW 56N58W 999 MB. WITHIN 300 NM NE…AND
360 NM SE QUADRANTS WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST NEW LOW 39N74W 1005 MB. WITHIN 180 NM E…AND
240 NM SE OF A LINE FROM LOW CENTER TO 31N 80W WINDS 20 TO 30 KT.
SEAS TO 10 FT.
.48 HOUR FORECAST DENSE FOG VSBY LESS THAN 1 NM FROM 55N TO 58N 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 1200 UTC SAT AUG 17.
24 HOUR FORECAST VALID 1200 UTC SUN AUG 18.
48 HOUR FORECAST VALID 1200 UTC MON AUG 19.
.WARNINGS.
…ATLC HURRICANE WARNING…
.HURRICANE ERNESTO NEAR 32.9N 64.4W 974 MB AT 1500 UTC AUG 17
MOVING NNE OR 025 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 70 KT
GUSTS 85 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM NE
QUADRANT…210 NM SE QUADRANT…110 NM SW QUADRANT…AND 160 NM
NW QUADRANT. SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN
31N59W TO 31N69W TO 29N65W TO 29N62W TO 31N59W WITH SEAS TO 20
FT. ELSEWHERE WITHIN 31N57W TO 31N68W TO 28N64W TO 28N61W TO
31N57W WINDS 20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER AREA WITHIN
31N56W TO 30N64W TO 31N74W TO 29N73W TO 27N64W TO 28N59W TO
31N56W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE ERNESTO NEAR 35.3N 63.3W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM W SEMICIRCLE…150 NM NE QUADRANT AND 160 NM SE
QUADRANT. OVER FORECAST WATERS WITHIN 31N60W TO 31N66.5W TO
30N64.5W TO 30N61.5W TO 31N60W SW WINDS 20 TO 25 KT. SEAS 9 TO 11
FT. REMAINDER AREA WITHIN 31N57W TO 31N72W TO 28N66W TO 28N62W
TO 31N57W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE ERNESTO NEAR 41.3N 59.5W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM NE QUADRANT…180 NM SE QUADRANT…130 NM SW
QUADRANT…AND 90 NM NW QUADRANT. OVER FORECAST WATERS
CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
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 36 HOUR FORECAST WITHIN 13N68W TO 15N70W TO 13N73W TO
12N73W TO 11N72W TO 11N68W TO 13N68W…INCLUDING THE GULF OF
VENEZUELA… E WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 13N69W TO 15N71W TO 14N74W TO 11N73W TO
11N71W TO 12N69W TO 13N69W…INCLUDING THE GULF OF VENEZUELA…
E W
