260
FZNT02 KNHC 250938
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC WED SEP 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

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

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 0600 UTC WED SEP 25.
24 HOUR FORECAST VALID 0600 UTC THU SEP 26.
48 HOUR FORECAST VALID 0600 UTC FRI SEP 27.

.WARNINGS.

...CARIBBEAN AND GULF OF MEXICO HURRICANE WARNING...
.TROPICAL STORM HELENE NEAR 20.7N 86.2W 985 MB AT 0900 UTC SEP
25 MOVING NW OR 325 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM E
SEMICIRCLE...50 NM SW QUADRANT AND 80 NM NW QUADRANT. SEAS 12 FT
OR GREATER WITHIN 180 NM E SEMICIRCLE AND 60 NM W SEMICIRCLE WITH
SEAS TO 23 FT. ELSEWHERE...WITHIN 24N81W TO 23N88W TO 19N88W TO
19N84W TO 16N83W TO 19N80W TO 24N81W...INCLUDING STRAITS OF
FLORIDA AND IN YUCATAN CHANNEL...WINDS 20 TO 33 KT. SEAS 8 TO 12
FT.
.12 HOUR FORECAST HURRICANE HELENE NEAR 21.9N 86.5W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 210 NM NE QUADRANT...240 NM SE QUADRANT...60 NM SW
QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
210 NM NE QUADRANT...240 NM SE QUADRANT...90 NM SW QUADRANT...AND
120 NM NW QUADRANT WITH SEAS TO 24 FT. ELSEWHERE...WITHIN 24N80W
TO 27N83W TO 25N89W TO 18N86W TO 17N82W TO 19N80W TO
24N80W...INCLUDING STRAITS OF FLORIDA...WINDS 20 TO 33 KT. SEAS 8
TO 12 FT.
.24 HOUR FORECAST HURRICANE HELENE NEAR 24.1N 86.2W. MAXIMUM
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS
WITHIN 240 NM NE QUADRANT...250 NM SE QUADRANT...80 NM SW
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
240 NM NE QUADRANT...270 NM SE QUADRANT...120 NM SW
QUADRANT...AND 150 NM NW QUADRANT WITH SEAS TO 27 FT.
ELSEWHERE...WITHIN 30N80W TO 29N91W TO 23N92W TO 19N83W TO 20N80W
TO 24N79W TO 30N80W...INCLUDING STRAITS OF FLORIDA AND IN
YUCATAN CHANNEL...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST HURRICANE HELENE INLAND NEAR 32.0N 84.2W.
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE
WINDS WITHIN 210 NM NE QUADRANT...240 NM SE QUADRANT...100 NM SW
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
270 NM SE QUADRANT AND 150 NM SW QUADRANT WITH SEAS TO 22 FT.
ELSEWHERE...WITHIN 31N76W TO 30N86W TO 27N96W TO 22N86W TO 24N81W
TO 31N76W...INCLUDING STRAITS OF FLORIDA...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 18 HOUR FORECAST LOW PRES NEAR 15N36W 1008 MB. WITHIN
20N35W TO 18N36W TO 17N36W TO 16N36W TO 16N35W TO 20N35W NE TO E
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
16N39W 1003 MB. WITHIN 21N35W TO 20N37W TO 17N38W TO 15N36W TO
15N35W TO 21N35W WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
17N43W 1001 MB. WITHIN 20N39W TO 20N41W TO 20N43W TO 17N41W TO
16N39W TO 18N38W TO 20N39W WINDS 20 TO 30 KT. SEAS 10 TO 11 FT.
ELSEWHERE...WITHIN 21N36W TO 22N39W TO 20N43W TO 17N43W TO
16N40W TO 19N35W TO 21N36W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
IN MIXED SWELL.

.ATLC 24 HOUR FORECAST WITHIN 31N60W TO 31N64W TO 30N63W TO
30N62W TO 30N61W TO 31N60W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN N TO NE SWELL.
.45 HOUR FORECAST CONDITIONS IMPROVE.

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

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.