FZNT01 KWBC 130409
HSFAT1 0430
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC FRI SEP 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
THE NATIONAL WEATHER SERVICE IS ACCEPTING PUBLIC COMMENTS UNTIL
OCTOBER 16 2024 ON A PROPOSAL TO REPLACE FEET WITH METERS WHEN
DESCRIBING SEAS IN A VARIETY OF NATIONAL MARINE CENTER TEXT AND
GRAPHICAL PRODUCTS FOR THE HIGH SEAS AREAS ONLY.
TO LEARN MORE PLEASE VISIT (WEB ADDRESS LOWERCASE)
HTTPS://OCEAN.WEATHER.GOV/PROPOSED-METERS.PHP
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 0000 UTC SEP 13.
24 HOUR FORECAST VALID 0000 UTC SEP 14.
48 HOUR FORECAST VALID 0000 UTC SEP 15.
.WARNINGS.
…STORM WARNING…
.FROM 36N TO 39N BETWEEN 55W AND 50W WINDS TO 25 KT. SEAS TO 8
FT.
.24 HOUR FORECAST NEW LOW 38N52W 1014 MB. WITHIN 240 NM NW
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 8 FT AND BUILDING.
.30 HOUR FORECAST LOW 38N50W 38N50W 1005 MB. WITHIN 120 NM NW
AND 90 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 42N43W 998 MB. WITHIN 150 NM S AND 120 NM
W QUADRANTS WINDS 40 TO 50 KT. SEAS 10 TO 16 FT. ELSEWHERE FROM
34N TO 46N BETWEEN 35W AND 51W WINDS 25 TO 40 KT. SEAS TO 12 FT.
…GALE WARNING…
.COMPLEX LOW WITH FIRST CENTER 59N41W 1008 MB MOVING E 10 KT AND
SECOND CENTER 58N52W 1006 MB MOVING SE 10 KT. WITHIN 180 NM N
SEMICIRCLE OF FIRST CENTER WINDS 25 TO 35 KT. SEAS TO 12 FT.
ELSEWHERE WITHIN 240 NM SW SEMICIRCLE OF SECOND CENTER WINDS 20
TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW 59N36W 1005 MB WITH SECOND CENTER
DISSIPATED. WITHIN 300 NM W QUADRANT WINDS 25 TO 35 KT. SEAS TO
12 FT.
.48 HOUR FORECAST LOW ABSORBED WELL E OF AREA. FROM 55N TO 60N E
OF 44W WINDS TO 25 KT. SEAS TO 8 FT.
…GALE WARNING…
.FROM 31N TO 36N W OF 69W E TO NE WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST FROM 31N TO 37N W OF 65W E TO NE WINDS 20 TO
30 KT. SEAS TO 9 FT.
.48 HOUR FORECAST FROM 31N TO 37N W OF 63W WINDS 25 TO 35 KT.
SEAS 8 TO 13 FT.
.SYNOPSIS AND FORECAST.
.LOW 55N35W 1011 MB NEARLY STATIONARY. E OF A FRONT FROM THE LOW
TO 39N44W WINDS 20 TO 30 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS E OF
AREA.
.LOW 54N44W 1010 MB MOVING NE 20 KT. WINDS LESS THAN 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST LOW DISSIPATED.
.FROM 32N TO 36N W OF 70W AREA OF E TO NE WINDS TO 25 KT. SEAS
TO 10 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.
.LOW 57N52W 1006 MB MOVING SE 10 KT. WITHIN 240 NM SW SEMICIRCLE
WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW DISSIPATED. FROM 52N TO 56N E OF 44W WINDS
TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW 56N37W 1007 MB. WITHIN 420 NM S AND SW
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW DISSIPATED E OF AREA AND ASSOCIATED
CONDITIONS DIMINISHED.
.24 HOUR FORECAST FROM 57N TO 65N W OF 58W N TO NW WINDS 20 TO
30 KT. SEAS TO 8 FT.
.48 HOUR FORECAST W OF A LINE FROM 46N49W TO 55N50W TO 66N58W
WINDS TO 25 KT. SEAS TO 9 FT.
.48 HOUR FORECAST NEW LOW 51N48W 1013 MB. WITHIN 540 NM SW
QUADRANT WINDS 20 TO 30 KT. SEAS TO 8 FT.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 51N TO 55N E
OF 37W.
.24 HOUR FORECAST CONDITIONS E OF AREA.
.FORECASTER MUSONDA. 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 FRI SEP 13.
24 HOUR FORECAST VALID 0000 UTC SAT SEP 14.
48 HOUR FORECAST VALID 0000 UTC SUN SEP 15.
.WARNINGS.
…ATLC TROPICAL STORM WARNING…
.TROPICAL DEPRESSION SEVEN NEAR 18.7N 37.0W 1007 MB AT 0300 UTC
SEP 13 MOVING WNW OR 290 DEG AT 14 KT. MAXIMUM SUSTAINED WINDS
30 KT GUSTS 40 KT. SEAS TO 12 FT WITHIN 60 NM N SEMICIRCLE AND
0 NM S SEMICIRCLE. WITHIN 21N35W TO 21N37W TO 20N39W TO 17N36W
TO 18N35W TO 21N35W WINDS 20 TO 30 KT. SEAS 10 TO 12 FT.
ELSEWHERE
WITHIN 24N35W TO 21N40W TO 19N39W TO 17N37W TO 14N36W TO 13N35W
TO 24N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.12 HOUR FORECAST TROPICAL STORM SEVEN NEAR 19.1N 38.5W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM SEVEN NEAR 19.4N 40.7W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 0 NM OF CENTER EXCEPT 60 NM NE QUADRANT. SEAS 12 FT OR
GREATER WITHIN 75 NM N SEMICIRCLE WITH SEAS TO 16 FT. ELSEWHERE
WITHIN 21N38W TO 22N39W TO 22N41W TO 21N42W TO 20N42W TO 18N40W
TO 21N38W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA
WITHIN 23N35W TO 25N39W TO 22N44W TO 17N43W TO 18N40W TO 20N35W
TO 23N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM SEVEN NEAR 19.7N 44.0W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 0 NM S SEMICIRCLE…70 NM NE QUADRANT AND 40 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N SEMICIRCLE AND 30
NM S SEMICIRCLE WITH SEAS TO 16 FT. ELSEWHERE WITHIN 21N42W TO
22N45W TO 20N46W TO 19N44W TO 19N42W TO 21N42W WINDS 20 TO 33 KT.
SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 22N38W TO 25N41W TO
24N46W TO 22N48W TO 18N46W TO 19N41W TO 22N38W WINDS 20 KT OR
LESS.
SEAS 8 TO 10 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.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
¤¤
.FORECASTER ERA. NATIONAL HURRICANE CENTER.
UUID 0B799E30-7186-11EF-9B28-0AFB0B270000 TX 1
