FZNT01 KWBC 121629
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT OCT 12 2024
CCODE/2:31:04:01:00/AOE/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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
VOSOPS@NOAA.GOV(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
FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH
ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG
WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO
WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 12 FEET OR
GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH,
AND ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER
CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO
PRESERVE CONTINUITY WHERE APPROPRIATE.
SECURITE...
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 1200 UTC OCT 12.
24 HOUR FORECAST VALID 1200 UTC OCT 13.
48 HOUR FORECAST VALID 1200 UTC OCT 14.
.
WARNINGS
... HURRICANE FORCE WIND WARNING ...
.LOW 57N54W 958 MB MOVING SW 25 KT. WITHIN 180 NM N SEMICIRCLE
WINDS 50 TO 65 KT. SEAS 18 TO 35 FT. ELSEWHERE WITHIN 240 NM OF
LOW EXCEPT 90 NM S QUADRANT AND WITHIN 180 NM N AND NE OF FRONT
FROM 58N54W TO 57N43W WINDS 35 TO 50 KT. SEAS 13 TO 28 FT. ALSO
N OF 55N W OF 43W WINDS 25 TO 40 KT. SEAS 10 TO 24 FT...HIGHEST
S OF 60N.
.24 HOUR FORECAST... LOW DISSIPATED WITH CONDITIONS MERGED WITH LOW
55N54W DESCRIBED BELOW.
... HURRICANE FORCE WIND WARNING ...
.LOW 57N38W 980 MB MOVING NW 25 KT THEN TURNING SW AFTER 18
HOURS. FRONT EXTENDS FROM 57N43W TO LOW CENTER TO 56N35W. WITHIN
180 NM N OF THE LOW AND FRONT WINDS 35 TO 50 KT. SEAS 12 TO 24
FT. ELSEWHERE WITHIN 180 NM SE QUADRANT AND BETWEEN THE FRONT
AND 62N WINDS 25 TO 35 KT. SEAS 9 TO 18 FT. ALSO FROM 40N TO 63N
E OF 43W WINDS TO 25 KT. SEAS 8 TO 16 FT IN MIXED SWELL.
.18 HOUR FORECAST... LOW 59N44W 984 MB. WITHIN 120 NM N AND 60 NM
NW QUADRANTS WINDS 50 TO 65 KT. SEAS 20 TO 29 FT. ELSEWHERE
WITHIN 120 NM NW OF A LINE FROM 56N51W TO 59N44W TO 61N40W WINDS
40 TO 50 KT. SEAS 13 TO 27 FT.
.24 HOUR FORECAST... LOW 56N50W 979 MB. WITHIN 360 NM W AND 240 NM
N QUADRANTS AND WITHIN 240 NM N OF A LINE FROM 57N47W TO 59N39W
AND ALSO FROM 42N TO 51N BETWEEN 50W AND 67W WINDS 30 TO 45 KT.
SEAS 14 TO 27 FT...EXCEPT S OF 51N SEAS 9 TO 18 FT. ELSEWHERE
WITHIN 780 NM N...540 NM W AND 1080 NM SW QUADRANTS WINDS 20 TO
30 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST... LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
55N41W DESCRIBED BELOW.
... STORM WARNING ...
.LOW 47N64W 989 MB MOVING NE 40 KT THEN SLOWING AND TURNING N
AFTER 24 HOURS. FROM 39N TO 47N BETWEEN 60W AND 68W WINDS 25 TO
40 KT. SEAS TO 12 FT. ELSEWHERE FROM 36N TO 51N W OF 59W WINDS
20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST... LOW 53N42W 972 MB. WITHIN 180 NM E AND SE OF
FRONT FROM LOW CENTER TO 45N43W WINDS 35 TO 50 KT. SEAS 12 TO 22
FT. ELSEWHERE FROM 42N TO 52N BETWEEN 47W AND 35W AND WITHIN 180
NM NE QUADRANT WINDS 25 TO 40 KT. SEAS 8 TO 17 FT.
.48 HOUR FORECAST... LOW 55N41W 974 MB. FROM 48N TO 57N BETWEEN 41W
AND 47W AND WITHIN 240 NM W AND NW OF A LINE FROM LOW TO 60N35W
WINDS 40 TO 50 KT. SEAS 15 TO 31 FT. ELSEWHERE WITHIN 720 NM
S...480 NM SW...360 NM W AND 420 NM N QUADRANTS WINDS 25 TO 40
KT. SEAS 12 TO 22 FT.
... GALE WARNING ...
.POST-TROPICAL CYCLONE LESLIE NEAR 33.3N 43.4W 1000 MB AT 1500
UTC OCT 12 MOVING NE OR 050 DEG AT 27 KT. MAXIMUM SUSTAINED
WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM
NE QUADRANT...120 NM SE QUADRANT...60 NM SW QUADRANT...AND 0 NM
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM N SEMICIRCLE AND
210 NM S SEMICIRCLE WITH SEAS TO 21 FT. ELSEWHERE S OF 36N E OF
47W WINDS 20 TO 33 KT. SEAS TO 12 FT.
.24 HOUR FORECAST... POST-TROPICAL CYCLONE LESLIE DISSIPATED. FROM
31N TO 37N E OF 40W WINDS TO 25 KT. SEAS 8 TO 13 FT.
.36 HOUR FORECAST... CONDITIONS DIMINISHED.
... GALE WARNING ...
.LOW 54N54W 970 MB MOVING E 15 KT. WITHIN 540 NM S AND SE
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 18 FT...HIGHEST NEAR
49N47W.
.24 HOUR FORECAST... LOW AND CONDITIONS ABSORBED BY LOW 53N42W
DESCRIBED ABOVE.
... GALE WARNING ...
.COMPLEX LOW WITH MAIN CENTER 33N53W 1005 MB MOVING E 15 KT AND
SECOND CENTER S OF AREA. S OF 35N BETWEEN 51W AND 59W WINDS 25
TO 35 KT. SEAS 8 TO 13 FT...HIGHEST NEAR 31N56W. ELSEWHERE S OF
36N BETWEEN 47W AND 64W WINDS TO 25 KT. SEAS TO 10 FT.
.24 HOUR FORECAST... FIRST CENTER 35N40W 1012 MB AND SECOND CENTER
31N50W 1013 MB. S OF 35N BETWEEN 40W AND 55W WINDS TO 25 KT.
SEAS TO 9 FT.
.48 HOUR FORECAST... LOW 32N43W 1016 MB WITH FIRST CENTER
DISSIPATED. CONDITIONS DIMINISHED.
... GALE WARNING ...
.24 HOUR FORECAST... NEW LOW 63N52W 992 MB. N OF 60N W OF 52W WINDS
25 TO 35 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST... LOW 62N50W 1000 MB. N OF 59N W OF GREENLAND
WINDS 20 TO 30 KT. SEAS TO 11 FT.
  SYNOPSIS AND FORECAST....
.48 HOUR FORECAST... LOW 43N69W 1000 MB. W OF A LINE FROM 32N70W TO
39N60W TO 45N58W WINDS 20 TO 30 KT. SEAS TO 11 FT.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 60N TO 62N W
OF 59W.
.24 HOUR FORECAST... DENSE FOG FROM 60N TO 62N BETWEEN 40W AND 44W.
.48 HOUR FORECAST... CONDITIONS IMPROVED.
.FORECASTER BANCROFT. 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 1200 UTC SAT OCT 12.
24 HOUR FORECAST VALID 1200 UTC SUN OCT 13.
48 HOUR FORECAST VALID 1200 UTC MON OCT 14.
.
WARNINGS
.NONE.
SYNOPSIS AND FORECAST....
.ATLC... LOW PRESSURE NEAR 31N56W 1006 MB. WITHIN 31N52W TO 31N64W
TO 28N65W TO 26N63W TO 26N57W TO 31N52W W TO NW WINDS 20 TO 30
KT. SEAS 11 TO 13 FT IN W TO NW SWELL. ELSEWHERE WITHIN 27N65W
TO 31N64W TO 31N75W TO 28N80W TO 20N70W TO 24N59W TO
27N65W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N TO NE SWELL.
.24 HOUR FORECAST... LOW DISSIPATED WITHIN 31N55W TO 31N58W TO
29N58W TO 29N56W TO 31N55W N WINDS 20 TO 25 KT. SEAS 9 TO 10 FT
IN NW SWELL. ELSEWHERE WITHIN 31N49W TO 31N58W TO 27N63W TO
24N73W TO 21N72W TO 25N52W TO 31N49W WINDS 20 KT OR LESS. SEAS 8
TO 9 FT IN NW TO N SWELL.
.48 HOUR FORECAST... WITHIN 31N46W TO 31N49W TO 28N50W TO 28N46W TO
29N44W TO 31N46W WINDS 20 KT OR LESS. SEAS 8 FT IN W SWELL.
.ATLC... REMNANTS OF LESLIE N OF AREA NEAR 33.3N 43.4W 1000 MB AT
1500 UTC OCT 12 MOVING NE OR 050 DEG AT 27 KT. OVER FORECAST
WATERS WITHIN 31N41W TO 31N48W TO 30N47W TO 28N46W TO 29N42W TO
31N41W SW WINDS 20 TO 30 KT. SEAS 12 TO 16 FT IN SW SWELL.
ELSEWHERE WITHIN 31N41W TO 31N52W TO 26N48W TO 26N44W TO 31N41W
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN SW SWELL.
.24 HOUR FORECAST... WITHIN 31N35W TO 31N41W TO 30N40W TO 30N37W TO
30N36W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN W
SWELL.
.36 HOUR FORECAST... CONDITIONS IMPROVE WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.ATLC...
24 HOUR FORECAST... LOW PRESSURE...POSSIBLE TROPICAL
CYCLONE...E OF AREA NEAR 16N33W 1014 MB. OVER FORECAST WATERS
WITHIN 21N35W TO 20.5N35.5W TO 19.5N36W TO 18.5N36W TO 18N35W TO
18.5N35W TO 21N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E
SWELL.
.48 HOUR FORECAST... LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR
15N37W 1013 MB. WITHIN 20N37W TO 20N39W TO 18N39W TO 18N37W TO
19N36W TO 20N37W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E SWELL.
.CARIBBEAN
24 HOUR FORECAST... WITHIN 14N72W TO 14N75W TO 13N77W TO
12N76W TO 13N71W TO 14N72W E WINDS 20 TO 25 KT. SEAS 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 CHRISTENSEN. NATIONAL HURRICANE CENTER.
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