FZNT01 KWBC 132140
HSFAT1 2230
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC AUG 13.
24 HOUR FORECAST VALID 1800 UTC AUG 14.
48 HOUR FORECAST VALID 1800 UTC AUG 15.
.WARNINGS.
…GALE WARNING…
.LOW 58N37W 987 MB MOVING NE 20 KT. WITHIN 300 NM S
SEMICIRCLE…AND FROM 57N TO 62N BETWEEN 39W AND 53W WINDS 20 TO
30 KT. SEAS TO 12 FT…HIGHEST NEAR 55N41W.
.06 HOUR FORECAST LOW E OF AREA 58N33W 985 MB. WITHIN 300 NM SW
QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW AND CONDITIONS E OF AREA.
…GALE WARNING…
.COMPLEX LOW WITH MAIN LOW 46N58W 1004 MB MOVING SE 10 KT AND
SECOND LOW 45N53W 1005 MB MOVING NE 35 KT. WITHIN 300 NM NW OF A
LINE FROM 31N60W TO 39N50W TO 43N42W…AND WITHIN THE GULF OF
SAINT LAWRENCE WINDS 20 TO 30 KT. SEAS TO 12 FT…HIGHEST NEAR
41N55W.
.12 HOUR FORECAST COMBINED LOW 47N45W 1006 MB. WITHIN 300 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 13 FT…HIGHEST NEAR
44N46W.
.24 HOUR FORECAST LOW E OF AREA 50N28W 1005 MB. FROM 40N TO 40N E
OF 46W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW AND CONDITIONS WELL E OF AREA.
…GALE WARNING…
.24 HOUR FORECAST NEW LOW 60N41W 989 MB. WITHIN 240 NM S
SEMICIRCLE WINDS 30 TO 40 KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 55N
TO 61N W OF 53W…AND FROM 51N TO 53N BETWEEN 52W AND 57W WINDS
TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST LOW E OF AREA AND NEW LOW 61N35W 987 MB. WITHIN
540 NM S QUADRANT…AND FROM 57N TO 61N BETWEEN 42W AND 50W WINDS
25 TO 40 KT. SEAS 9 TO 15 FT. ELSEWHERE FROM 50N TO 59N E OF
41W…AND WITHIN 240 NM SW TO W OF A LINE FROM 59N40W TO 62N50W
TO 66N53W WINDS 20 TO 30 KT. SEAS TO 9 FT.
…GALE WARNING…
.FROM 60N TO 63N W OF 60W AREA OF W WINDS TO 25 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST NEW LOW 64N56W 995 MB. N OF 63N W OF 60W WINDS
25 TO 35 KT. SEAS TO 12 FT. ELSEWHERE WITHIN 360 NM SW SEMICIRCLE
WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DESCRIBED BY LOW 61N35W ABOVE.
.SYNOPSIS AND FORECAST.
.24 HOUR FORECAST NEW LOW 40N52W 1010 MB. WITHIN 300 NM SE AND
480 SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW 45N44W 1014 MB. WITHIN 360 NM SE QUADRANT
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST NEW LOW 37N52W 1015 MB. WITHIN 240 NM SE
SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 47N
BETWEEN 46W AND 54W.
.24 HOUR FORECAST DENSE FOG CONDITIONS IMPROVED.
.FORECASTER ANDERSON. 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 TUE AUG 13.
24 HOUR FORECAST VALID 1800 UTC WED AUG 14.
48 HOUR FORECAST VALID 1800 UTC THU AUG 15.
.WARNINGS.
…ATLC HURRICANE WARNING…
…CARIBBEAN TROPICAL STORM WARNING…
.TROPICAL STORM ERNESTO NEAR 18.0N 64.1W 1001 MB AT 2100 UTC AUG
13 MOVING WNW OR 300 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 50 KT
GUSTS 60 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE
QUADRANT…90 NM SE QUADRANT…0 NM SW QUADRANT…AND 70 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE QUADRANT…60
NM SE QUADRANT…0 NM SW QUADRANT…AND 180 NM NW QUADRANT WITH
SEAS TO 18 FT. ELSEWHERE FROM 13N TO 23N BETWEEN 56W AND 64W AND
FROM 16N TO 23N BETWEEN 64W AND 68W WINDS 20 TO 33 KT. SEAS 8 TO
12 FT. NUMEROUS SQUALLS AND TSTMS FROM 14N TO 23N BETWEEN 61W
AND 66W.
.12 HOUR FORECAST HURRICANE ERNESTO NEAR 19.3N 65.9W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.24 HOUR FORECAST HURRICANE ERNESTO NEAR 21.3N 67.6W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM E SEMICIRCLE…70 NM SW QUADRANT AND 120 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 270 NM NE QUADRANT…180
NM SE QUADRANT…90 NM SW QUADRANT AND 210 NM NW QUADRANT WITH
SEAS TO 32 FT. ELSEWHERE WITHIN 360 NM E SEMICIRCLE…120 NM SW
QUADRANT AND 240 NM NW QUADRANT WINDS 20 TO 33 KT. SEAS 10 TO 16
FT. FROM 11N TO 15N BETWEEN 63W AND 68W SE TO S WINDS 20 TO 25
KT. SEAS 8 TO 10 FT. REMAINDER OF AREA FROM 13N TO 26N BETWEEN
59W AND 68W AND FROM 15N TO 26N BETWEEN 68W AND 72W WINDS 20 KT
OR LESS. SEAS 8 TO 10 FT IN E TO SE SWELL.
.48 HOUR FORECAST HURRICANE ERNESTO NEAR 25.4N 68.7W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS
WITHIN 160 NM E SEMICIRCLE…110 NM SW QUADRANT AND 120 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 300 NM NE QUADRANT…180
NM SE QUADRANT…120 NM SW QUADRANT AND 240 NM NW QUADRANT WITH
SEAS TO 39 FT. ELSEWHERE WITHIN 420 NM NE QUADRANT…240 NM SE
QUADRANT…180 NM SW QUADRANT AND 330 NM NW QUADRANT WINDS 20 TO
33 KT. SEAS 11 TO 18 FT. REMAINDER OF AREA FROM 20N TO 30N
BETWEEN 61W AND 75W WINDS 20 KT OR LESS. SEAS 8 TO 11 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.
.ATLC FROM 08N TO 10N BETWEEN 58W AND 61W S TO SW WINDS 20 TO 25
KT. SEAS LESS THAN 8 FT.
.06 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.
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UUID B4C9E6C0-59BC-11EF-ABDE-0AFB0B260000 TX 1
