FZNT01 KWBC 120938
HSFAT1 1030
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC THU SEP 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
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 0600 UTC SEP 12.
24 HOUR FORECAST VALID 0600 UTC SEP 13.
48 HOUR FORECAST VALID 0600 UTC SEP 14.
.WARNINGS.
…GALE WARNING…
.COMPLEX LOW WITH MAIN CENTER 61N38W 1012 MB MOVING NE 05 KT AND
SEITH MAIN CENTER E OF AREA 62N34W
1007 MB AND SECOND CENTER 59N41W 1007 MB. WITHIN 120 NM W OF A
LINE FROM 63N37W TO 58N44W WINDS 25 TO 35 KT. SEAS TO 12 FT.
ELSEWHERE WITHIN 800 NM N QUADRANT OF MAIN CENTER WINDS 20 TO 30
KT. SEAS TO 10 FT.
.48 HOUR FORECAST MERGED LOW 59O 25 KT. SEAS TO
8 FT.
.48 HOUR FORECAST NEW LOW 38N49W 1010 MB. WITHIN 240 NM W
SEMICIRCLE AND N QUADRANT WINDS 20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST NEW LOW 65N55W 1010 MB. W OF A LINE FROM
65N63W TO 63N60W TO 59N60W AREA OF NW WINDS TO 25 KT. SEAS TO 8
FT.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 180 NM N OF
A LINE FROM 44N47W TO 50N40W TO 51N35W…AND FROM 57N TO 58N
BETWEEN 40W AND 50W.
.24 HOUR FORECAST CONDITIONS IMPROVED.
.FORECASTER CLARK. 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 SEP 12.
24 HOUR FORECAST VALID 0600 UTC FRI SEP 13.
48 HOUR FORECAST VALID 0600 UTC SAT SEP 14.
.WARNINGS.
…ATLC TROPICAL STORM WARNING…
.TROPICAL DEPRESSION SEVEN E OF AREA NEAR 17.3N 33.0W 1007 MB AT
0900 UTC SEP 12 MOVING WNW OR 290 DEG AT 15 KT. MAXIMUM
SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER FORECAST WATERS WITHIN
21N35W TO 20N36W TO 19N36W TO 11N35W TO 10N35W TO 21N35W WINDS
20 TO 25 KT. SEAS 8 TO 9 FT IN MIXED NE AND SE SWELL.
.12 HOUR FORECAST TROPICAL STORM SEVEN NEAR 18.1N 34.9W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM SEVEN NEAR 18.9N 37.4W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 70 NM NE QUADRANT…50 NM SE QUADRANT…0 NM SW
QUADRANT…AND 30 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
150 NM N SEMICIRCLE…AND 0 NM S SEMICIRCLE WITH SEAS TO 14 FT.
ELSEWHERE WITHIN 23N35W TO 23N39W TO 21N41W TO 20N41W TO 18N36W
TO 19N35W TO 23N35W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER
OF AREA WITHIN 25N35W TO 24N40W TO 21N42W TO 19N42W TO 17N37W TO
18N35W TO 25N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED
SWELL.
.48 HOUR FORECAST TROPICAL STORM SEVEN NEAR 19.7N 41.0W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE WINDS
WITHIN 40 NM NW AND SE QUADRANTS…90 NM NE QUADRANT AND 30 NM SW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NW SEMICIRCLE…AND
0 NM SE SEMICIRCLE WITH SEAS TO 16 FT. ELSEWHERE WITHIN 23N39W
TO 23N44W TO 21N44W TO 19N42W TO 18N40W TO 20N38W TO 23N39W WINDS
20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 24N37W TO
25N42W TO 22N46W TO 18N44W TO 19N38W TO 21N35W TO 24N37W WINDS
20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
…GULF OF MEXICO TROPICAL STORM WARNING…
.TROPICAL STORM FRANCINE NEAR 30.9N 90.1W 992 MB AT 0900 UTC SEP
12 MOVING NE OR 040 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NE
QUADRANT…130 NM SE QUADRANT…60 NM SW QUADRANT…AND 20 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM OF CENTER EXCEPT 150
NM SE QUADRANT WITH SEAS TO 13 FT. ELSEWHERE WITHIN 30N86W TO
30N90W TO 30N93W TO 28N92W TO 28N88W TO 30N86W WINDS 20 TO 33
KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 30N86W TO 27N90W TO
29N93W TO 27N94W TO 26N92W TO 26N88W TO 30N86W WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN W TO NW SWELL.
.12 HOUR FORECAST POST-TROPICAL REMNANT LOW FRANCINE NEAR 32.6N
89.8W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
.24 HOUR FORECAST POST-TROPICAL EXTRATROPICAL FRANCINE NEAR
34.4N 90.1W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT. OVER
FORECAST WATERS CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
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 STATIONARY FRONT FROM 31N68W TO LOW PRES NEAR 30N72W 1012
MB TO 29N81W. WITHIN 31N75W TO 31N80W TO 30N80W TO 30N79W TO
30N78W TO 31N76W TO 31N75W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9
FT.
.24 HOUR FORECAST WARM FRONT ALONG AND N OF 31N. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT.
.ATLC LOW PRES…AL92…NEAR 15.5N48.5W 1009 MB. WITHIN 18N48W
TO 18N49W TO 16N50W TO 16N49W TO 16N48W TO 17N48W TO 18N48W WINDS
20 TO 25 KT. SEAS 8 TO 9 FT.
.12 HOUR FORECAST LOW PRES…AL92…DISSIPATED. WINDS 20 KT OR
LESS. SEAS LESS THAN 8 FT.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
¤¤
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.
UUID C6AF5C40-70EA-11EF-9A8D-0AFB0B270000 TX 1
