358
FZNT01 KWBC 240949
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC TUE SEP 24 2024

CCODE/2:31:04:11:00/AOE+AOW/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SEP 24.
24 HOUR FORECAST VALID 0600 UTC SEP 25.
48 HOUR FORECAST VALID 0600 UTC SEP 26.

.WARNINGS.

...GALE WARNING...
.LOW 39N57W 1004 MB DRIFTING SW 5 KT. WITHIN 240 NM N SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 9 TO 15 FT. ELSEWHERE WITHIN AN AREA
BOUNDED BY 40N49W...38N66W...36N69W...36N72W...40N70W...
43N60W...42N49W...40N49W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 38N59W 1000 MB. WITHIN 120 NM S
SEMICIRCLE...180 NM W AND 240 NM N QUADRANTS...ALSO FROM 40N TO
43N BETWEEN 50W AND 60W WINDS 30 TO 45 KT. SEAS 12 TO 21 FT.
ELSEWHERE BETWEEN 40N AND 42N FROM 45W TO 50W...AND FROM 39N TO
45N BETWEEN 50W AND 63W WINDS 20 TO 30 KT. SEAS 9 TO 14 FT.
.48 HOUR FORECAST LOW 36N56W 1004 MB. WITHIN 180 NM N AND NW OF
A LINE FROM 41N48W TO 39N54W TO 37N56W WINDS 25 TO 35 KT. SEAS 9
TO 14 FT. ELSEWHERE FROM 40N TO 45N BETWEEN 42W AND 60W...ALSO
WITHIN 300 NM N...300 NM W...180 NM S AND 180 NM SE QUADRANTS
WINDS 20 TO 30 KT. SEAS TO 12 FT.

...GALE WARNING...
.LOW 53N35W 988 MB MOVING S 20 KT. WITHIN 240 NM N AND 120 NM S
SEMICIRCLES WINDS 25 TO 40 KT. SEAS 10 TO 17 FT. ELSEWHERE FROM
46N TO 58N E OF 50W WINDS 20 TO 30 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW 47N35W 1000 MB. WITHIN 240 NM W SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 10 TO 17 FT. ELSEWHERE E OF A LINE FROM
56N35W TO 53N44W TO 48N44W TO 42N35W WINDS 20 TO 30 KT. SEAS 8
TO 13 FT.
.48 HOUR FORECAST LOW AND CONDITIONS E OF AREA.

.SYNOPSIS AND FORECAST.

.LOW 37N53W 1006 MB MOVING NE 20 KT. FROM 33N TO 39N BETWEEN 49W
AND 54W WINDS 20 TO 30 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.

.FROM 34N TO 40N E OF 41W WINDS TO 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST CONDITIONS MOVED E OF AREA.

.48 HOUR FORECAST WITHIN 120 NM SW OF A LINE FROM 63N50W TO
58N40W WINDS 20 TO 30 KT. SEAS TO 10 FT.

.FORECASTER SHAW. 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 TUE SEP 24.
24 HOUR FORECAST VALID 0600 UTC WED SEP 25.
48 HOUR FORECAST VALID 0600 UTC THU SEP 26.

.WARNINGS.

...CARIBBEAN AND GULF OF MEXICO HURRICANE WARNING...
.POTENTIAL TROPICAL CYCLONE NINE NEAR 18.9N 83.0W 1001 MB AT
0900 UTC SEP 24 MOVING NW OR 315 DEG AT 7 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT. WITHIN 22N81W TO 21N85W TO 19N84W TO
19N82W TO 16N82W TO 18N78W TO 22N81W WINDS 20 TO 30 KT. SEAS 8 TO
11 FT.
.12 HOUR FORECAST TROPICAL STORM NINE NEAR 19.6N 84.2W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM E SEMICIRCLE AND 60 NM W SEMICIRCLE. SEAS 12 FT OR
GREATER WITHIN 60 NM NE SEMICIRCLE AND 30 NM SW SEMICIRCLE WITH
SEAS TO 14 FT. ELSEWHERE...WITHIN 20N79W TO 22N82W TO 22N86W TO
20N86W TO 16N82W TO 17N80W TO 20N79W...INCLUDING STRAITS OF
FLORIDA AND IN YUCATAN CHANNEL...WINDS 20 TO 33 KT. SEAS 8 TO 12
FT.
.24 HOUR FORECAST TROPICAL STORM NINE NEAR 20.7N 85.7W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN 150 NM E SEMICIRCLE...70 NM SW QUADRANT AND 90 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM ALL QUADRANTS
EXCEPT 90 NM SW QUADRANT WITH SEAS TO 19 FT. ELSEWHERE...WITHIN
25N84W TO 22N88W TO 19N87W TO 19N85W TO 16N82W TO 19N79W TO
25N84W...INCLUDING STRAITS OF FLORIDA AND IN YUCATAN
CHANNEL...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.36 HOUR FORECAST HURRICANE NINE NEAR 22.0N 86.2W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 180 NM E SEMICIRCLE...90 NM SW QUADRANT...AND 120 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM N SEMICIRCLE...210
NM SE QUADRANT...AND 150 NM SW QUADRANT WITH SEAS TO 23 FT.
ELSEWHERE...WITHIN 27N83W TO 25N89W TO 23N90W TO 19N86W TO 18N82W
TO 20N79W TO 27N83W...INCLUDING STRAITS OF FLORIDA...WINDS 20 TO
33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST HURRICANE NINE NEAR 24.3N 85.6W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS
WITHIN 210 NM E SEMICIRCLE...110 NM SW QUADRANT AND 130 NM NW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM N SEMICIRCLE...240
NM SE QUADRANT...AND 180 NM SW QUADRANT WITH SEAS TO 26 FT.
ELSEWHERE...WITHIN 30N80W TO 30N86W TO 27N91W TO 23N92W TO 19N81W
TO 20N80W TO 30N80W...INCLUDING STRAITS OF FLORIDA AND IN
YUCATAN CHANNEL...WINDS 20 TO 33 KT. SEAS 8 TO 12 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 WITHIN 31N66W TO 31N73W TO 30N71W TO 30N70W TO 30N67W TO
31N66W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL.
.24 HOUR FORECAST WITHIN 31N58W TO 31N71W TO 30N71W TO 30N65W TO
TO 31N58W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.ATLC 33 HOUR FORECAST WITHIN 20N35W TO 20N36W TO 18N36W TO
17N36W TO 16N35W TO 20N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN NE TO E SWELL.
.48 HOUR FORECAST NEW LOW PRES NEAR 15N37W 1005 MB. WITHIN
21N35W TO 22N37W TO 19N38W TO 17N38W TO 15N37W TO 15N35W TO
21N35W E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.