FZNT01 KWBC 150940
HSFAT1 1030
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC AUG 15.
24 HOUR FORECAST VALID 0600 UTC AUG 16.
48 HOUR FORECAST VALID 0600 UTC AUG 17.
.WARNINGS.
.SEE PART II FOR MORE INFORMATION ON HURRICANE ERNESTO.
…GALE WARNING…
.LOW 61N42W 986 MB MOVING SE 25 KT. BETWEEN 60 NM AND 480 NM S
AND SE QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO 18 FT. ELSEWHERE
E OF A LINE FROM 50N54W TO 53N56W TO 61N44W WINDS 20 TO 30 KT.
SEAS 8 TO 15 FT.
.24 HOUR FORECAST LOW DISSIPATED E OF AREA WITH CONDITIONS
DESCRIBED WITH NEW LOW 60N42W BELOW.
…GALE WARNING…
.24 HOUR FORECAST NEW LOW 60N42W 994 MB. WITHIN 360 NM S AND
SE…AND 180 NM W AND SW QUADRANTS WINDS 25 TO 40 KT. SEAS 10 TO
18 FT. ELSEWHERE WITHIN 540 NM S AND SE QUADRANTS…AND 240 NM
SW SEMICIRCLE WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW E OF AREA 61N23W 984 MB WITH A FRONT TO
EXTEND FROM LOW CENTER TO 55N35W TO 53N56W. WITHIN 240 NM S AND
SW OF FRONT WINDS TO 25 KT. SEAS TO 10 FT.
…GALE WARNING…
.48 HOUR FORECAST NEW LOW 61N42W 993 MB. WITHIN 180 NM S AND SW
SEMICIRCLES WINDS 25 TO 35 KT. SEAS 9 TO 16 FT. ELSEWHERE WITHIN
300 NM E OF A LINE FROM 57N46W TO 64N59W WINDS TO 25 KT. SEAS 8
TO 13 FT.
.SYNOPSIS AND FORECAST.
.N AND NW OF A LINE FROM 56N54W TO 60N46W N TO NW WINDS 20 TO 30
KT. SEAS TO 9 FT.
.24 HOUR FORECAST N OF 64N BETWEEN THE W COAST OF GREENLAND AND
56W N TO NW WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST N OF 62N BETWEEN THE W COAST OF GREENLAND AND
59N N TO NW WINDS TO 25 KT. SEAS TO 8 FT.
.COMPLEX LOW WITH ONE CENTER 44N43W 1014 MB MOVING NE 20 KT AND
A SECOND CENTER 41N49W 1012 MB MOVING NE 15 KT. WITHIN 300 NM E
AND NE…AND 240 NM SE QUADRANTS OF FIRST CENTER…AND WITHIN
360 NM SE SEMICIRCLE OF SECOND CENTER WINDS 20 TO 30 KT. SEAS TO
11 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 45N40W 1016 MB.
WITHIN 240 NM S AND SE SEMICIRCLES WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS E OF AREA.
.COMPLEX LOW WITH MAIN CENTER 35N55W 1013 MB MOVING NE 10 KT. N
OF 31N…WITHIN 120 NM E AND SE…AND 240 NM W AND SW QUADRANTS
WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 38N53W 1013 MB.
WITHIN 300 NM E AND NE…180 NM SE…AND 360 NM W AND SW
QUADRANTS WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST COMPLEX LOW WITH ONE CENTER 45N41W 1015 MB AND
A SECOND CENTER 42N48W 1015 MB. WITHIN 240 NM S AND SE QUADRANTS
OF FIRST CENTER…AND WITHIN 180 NM S AND SE QUADRANTS OF SECOND
CENTER 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 61W AND 73W WINDS TO
25 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST…EXCEPT WHERE DESCRIBED IN PART II BELOW WITH
HURRICANE ERNESTO…FROM 31N TO 37N BETWEEN 57W AND 71W WINDS 20
TO 33 KT. SEAS 9 TO 18 FT.
.DENSE FOG WITH VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 45N
BETWEEN 65W AND 70W.
.24 HOUR FORECAST DENSE FOG VSBY OCCASIONALLY LESS THAN 1 NM
FROM 40N TO 45N BETWEEN 65W AND 71W…FROM 46N TO 51N BETWEEN
56W AND 65W…INCLUDING THE GULF OF SAINT LAWRENCE…AND FROM
49N TO 59N BETWEEN 44W AND 54W.
.48 HOUR FORECAST DENSE FOG FROM 41N TO 45N BETWEEN 61W AND
68W…AND FROM 47N TO 57N BETWEEN 38W AND 63W…INCLUDING THE
GULF OF SAINT LAWRENCE.
.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 0600 UTC THU AUG 15.
24 HOUR FORECAST VALID 0600 UTC FRI AUG 16.
48 HOUR FORECAST VALID 0600 UTC SAT AUG 17.
.WARNINGS.
…ATLC HURRICANE WARNING…
.HURRICANE ERNESTO NEAR 23.9N 69.1W 979 MB AT 0900 UTC AUG 15
MOVING N OR 360 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 75 KT
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM E
SEMICIRCLE…60 NM SW QUADRANT AND 110 NM NW QUADRANT. SEAS 12
FT OR GREATER WITHIN 210 NM NE QUADRANT…240 NM SE QUADRANT…
150 NM SW QUADRANT…AND 165 NM NW QUADRANT WITH SEAS TO 34 FT.
ELSEWHERE WITHIN 25N64W TO 27N67W TO 27N70W TO 23N72W TO 20N69W
TO 21N65W TO 25N64W WINDS 20 TO 33 KT. SEAS 10 TO 18 FT IN SE TO
S SWELL. REMAINDER OF AREA WITHIN 24N63W TO 26N65W TO 28N70W TO
24N74W TO 20N68W TO 20N65W TO 24N63W WINDS 20 KT OR LESS. SEAS
8 TO 14 FT IN SE SWELL.
.24 HOUR FORECAST HURRICANE ERNESTO NEAR 27.4N 68.1W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM W SEMICIRCLE…160 NM NE QUADRANT AND 150 NM SE
QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NE…210 NM SE…165
NM SW…AND 300 NM NW QUADRANTS WITH SEAS TO 42 FT. ELSEWHERE
WITHIN 30N63W TO 30N70W TO 27N71W TO 24N69W TO 24N64W TO 27N62W
TO 30N63W WINDS 20 TO 33 KT. SEAS 9 TO 19 FT IN S TO SW SWELL.
REMAINDER OR AREA WITHIN 28N71W TO 31N63W TO 31N77W TO 26N76W TO
22N67W TO 26N62W TO 28N71W WINDS 20 KT OR LESS. SEAS 8 TO 16 FT
IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE ERNESTO NEAR 31.1N 65.7W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT. TROPICAL STORM FORCE WINDS
WITHIN 170 NM E SEMICIRCLE…120 NM SW QUADRANT AND 150 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 330 NM NE…270 NM
SE…240 NM SW…AND 270 NM NW QUADRANTS WITH SEAS TO 42 FT.
ELSEWHERE OVER FORECAST WATERS WITHIN 31N60W TO 29N64W TO 31N70W
TO 28N66W TO 26N66W TO 27N62W TO 31N60W WINDS 20 TO 33 KT. SEAS
10 TO 18 FT IN MIXED SWELL. REMAINDER OF AREA OVER FORECAST
WATERS WITHIN 31N58W TO 28N67W TO 31N75W TO 27N74W TO 24N65W TO
26N61W TO 31N58W WINDS 20 KT OR LESS. SEAS 8 TO 14 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 18 HOUR FORECAST WITHIN 13N69W TO 14N71W TO 13N70W TO
12N70W TO 12N69W TO 13N69W E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.24 HOUR FORECAST WITHIN 14N70W TO 14N71W TO 13N71W TO 13N70W TO
14N70W E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.30 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 63BAD15C-5AEA-11EF-BA00-0AFB0B270000 TX 1
