FZNT01 KWBC 111630
HSFAT1 1630
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI OCT 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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
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 11.
24 HOUR FORECAST VALID 1200 UTC OCT 12.
48 HOUR FORECAST VALID 1200 UTC OCT 13.
.WARNINGS.
…HURRICANE FORCE WIND WARNING…
.LOW 45N46W 990 MB MOVING N 35 KT RAPIDLY INTENSIFYING. FROM 39N
TO 47N BETWEEN 40W AND 47W WINDS 35 TO 45 KT. SEAS 12 TO 17 FT.
ELSEWHERE S OF 48N BETWEEN 37W AND 59W WINDS 25 TO 35 KT. SESA 8
TO 14 FT.
.24 HOUR FORECAST LOW 57N49W 961 MB FROM 58N TO 60N BETWEEN 43W
AND 57W WINDS 55 TO 70 KT. SEAS 23 TO 35 FT. ELSEWHERE FROM 57N
TO 61N BETWEEN 39W AND 58W WINDS 45 TO 55 KT. SEAS 16 TO 24 FT.
ELSEWHERE FROM 56N TO 62N BETWEEN 35W AND 62W WINDS 35 TO 45 KT.
ELSEWHERE S OF LINE FROM 66N62W TO 61N35WAND 0
NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM N
SEMICIRCLE…240 NM SW QUADRANT…AND 90 NM SE QUADRANT WITH SEAS
TO 22 FT. ELSEWHERE SE OF LINE FROM 43N35W TO 31N44W WINDS 20 TO
33 KT. SEAS 8 TO 12 FT.
…STORM WARNING…
.COMPLEX LOW WITH MAIN CENTER 55N55W 979 MB MOVING SW 15 KT.
WITHIN 180 NM N AND E OF LINE FROM 65N55W TO 55N49W TO 52N48W
WINDS 35 TO 50 KT. SEAS 16 TO 23 FT. ELSEWHERE FROM 48N TO 61N
BETWEEN 38W AND 64W WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST LOW ABSORBED WITH LOW 57N49W. CONDITIONS
DESCRIBED IN HURRICANE FORCE WIND WARNING ABOVE.
…STORM WARNING…
.24 HOUR FORECAST LOW 48N64W 988 MB FROM 35N TO 51N BETWEEN 49W
AND 69W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.
.36 HOUR FORECAST LOW 49N54W 982 MB. FORM 40N TO 48N BETWEEN 47W
AND 61W AND WITHIN GULF OF ST. LAWRENCE WUBDS 35 TO 45 KT. SEAS
10 TO 20 FT.
.48 HOUR FORECAST LOW 53N41W 975 MB. FROM 44N TO 53N BETWEEN 36W
AND 41W WINDS 35 TO 45 KT. SEAS 16 TO 20 FT. ELSEWHERE FROM 36N
TO 54N E OF 50W WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST NEW LOW 58N41W 976 MB. WITHIN 120 NM NW
SEMICIRCLE WINDS 50 TO 60 KT. SEAS 15 TO 25 FT. ELEWHERE WITHIN
240 NM NW OF LINE FROM 54N53W TO 61N36W WUNDS 35 TO 50 KT. SEAS
15 TO 30 FT. ELSEWHERE FROM 54N TO 67N BETWEEN 35W AND 64W WINDS
25 TO 35 KT. SEAS 8 TO 16 FT.
…GALE WARNING…
.LOW 29N70W 997 MB MOVING E 25 KT. FROM 31N TO 37N BETWEEN 55W
AND 81W WINDS 25 TO 35 KT. SES 8 TO 15 FT.
.24 HOUR FORECAST LOW 30N 59W 1006 MB. FROM 31N TO 35N BETWEEN
53W AND 70W WINDS LESS THAN 25 KT. SEAS 8 TO 14 FT.
.48 HOUR FORECAST CONDITIONS DIMINISHED.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 120 NM NE
AND E OF A LINE FROM 55N60W TO 51N51W TO 44N51W.
.24 HOUR FORECAST CONDITIONS IMPROVED.
.FORECASTER POCHE. 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 1800 UTC FRI OCT 11.
24 HOUR FORECAST VALID 1200 UTC SAT OCT 12.
48 HOUR FORECAST VALID 1200 UTC SUN OCT 13.
.WARNINGS.
…ATLC TROPICAL STORM WARNING…
.TROPICAL STORM LESLIE NEAR 26.4N 50.5W 1000 MB AT 1500 UTC OCT
11 MOVING NNE OR 015 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 45 KT
GUSTS 55 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE
QUADRANT…90 NM SE QUADRANT…60 NM SW QUADRANT…AND 0 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM NW AND SE
QUADRANTS…135 NM NE QUADRANT AND 75 NM SW QUADRANT WITH SEAS TO
21 FT. ELSEWHERE WITHIN 27N47W TO 27N51W TO 25N53W TO 24N52W TO
24N48W TO 27N47W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER
OF AREA WITHIN 31N42W TO 31N62W TO 24N59W TO 22N49W TO 24N43W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM LESLIE NEAR 31.7N 45.1W.
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE
WINDS WITHIN 50 NM NE QUADRANT…80 NM SE QUADRANT…70 NM SW
QUADRANT…AND 0 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 180
NM SW QUADRANT WITH SEAS TO 17 FT. ELSEWHERE WITHIN 31N41W TO
31N47W TO 28N46W TO 28N45W TO 29N42W TO 31N41W WINDS 20 TO 33 KT.
SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 31N41W TO 30N54W TO
26N48W TO 26N45W TO 28N42W TO 31N41W WINDS 20 KT OR LESS. SEAS 8
TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL LESLIE N OF AREA NEAR 36.2N
34.4W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM
FORCE WINDS WITHIN 70 NM S SEMICIRCLE…30 NM NE QUADRANT AND 0
NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 90 NM N
SEMICIRCLE…240 NM SW QUADRANT…AND 90 NM SE QUADRANT WITH SEAS
TO 22 FT. OVER FORECAST WATERS WIHTIN AREA BOUNDED BY 31N40W TO
31N35W TO 29N35W TO 29N40W TO 31N40W WINDS 20 KT OR LESS. SEAS 8
FT IN W SWELL.
FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK…SIZE
AND INTENSITY.
…ATLC STORM WARNING…
.ATLC LOW PRESSURE…REMNANTS OF MILTON…NEAR 29N70W 997 MB.
WITHIN
29.5N71W TO 29N71.5W TO 28.5N71.5W TO 28.5N71W TO 28.5N70.5W TO
29.5N71W N WINDS 35 TO 50 KT. SEAS 20 TO 27 FT. ELSEWHERE WITHIN
31N68W TO 31N72W TO 30N73W TO 28N72W TO 27N68W TO 31N68W N WINDS
30 TO 50 KT. SEAS 12 TO 20 FT. REMAINDER OF AREA WITHIN 30N62W TO
31N81W TO 24N80W TO 24N69W TO 30N62W NW TO N WINDS 20 TO 30 KT.
SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW PRESSURE…REMNANTS OF MILTON…NEAR 30N59W
1006 MB. WITHIN 31N57W TO 31N64W TO 28N68W TO 26N67W TO 24N60W
TO 26N58W TO 31N57W NW TO N WINDS 20 TO 30 KT. SEAS 12 TO 17 FT.
ELSEWHERE WITHIN 31N54W TO 31N81W TO 26N80W TO 20N72W TO 22N60W
TO 31N54W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN N TO NE SWELL.
.48 HOUR FORECAST LOW PRESSURE N OF AREA. WITHIN 31N56W TO
31N58W TO 30N59W TO 29N58W TO 30N57W TO 31N56W N TO NE WINDS 20
TO 25 KT. SEAS 9 TO 11 FT IN NW SWELL. ELSEWHERE WITHIN 30N51W
TO 31N60W TO 26N66W TO 24N75W TO 20N68W TO 23N55W TO
30N51W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW TO N SWELL.
.SYNOPSIS AND FORECAST.
.ATLC 48 HOUR FORECAST WITHIN 22N35W TO 21N36W TO 19N37W TO
17N37W TO 16N35W TO 22N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT
IN NE TO E SWELL.
.CARIBBEAN 48 HOUR FORECAST WITHIN 14N71W TO 15N73W TO 15N75W TO
14N77W TO 11N76W TO 13N71W TO 14N71W E WINDS 20 TO 25 KT. SEAS 8
FT IN E SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
¤¤
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.
UUID 18D6A32E-87EE-11EF-A1D2-0AFB0A260000 TX 1
