114
FZNT02 KNHC 260350
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU SEP 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU SEP 26.
24 HOUR FORECAST VALID 0000 UTC FRI SEP 27.
48 HOUR FORECAST VALID 0000 UTC SAT SEP 28.

.WARNINGS.

...CARIBBEAN AND GULF OF MEXICO HURRICANE WARNING...
.HURRICANE HELENE NEAR 23.1N 86.6W 972 MB AT 0300 UTC SEP 26
MOVING N OR 360 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 75 KT GUSTS
90 KT. TROPICAL STORM FORCE WINDS WITHIN 210 NM NE QUADRANT...300
NM SE QUADRANT...90 NM SW QUADRANT...AND 120 NM NW QUADRANT.
SEAS 12 FT OR GREATER WITHIN 150 NM W SEMICIRCLE...240 NM NE
QUADRANT AND 270 NM SE QUADRANT WITH SEAS TO 28 FT.
ELSEWHERE...WITHIN 24N80W TO 28N83W TO 26N90W TO 22N91W TO 17N85W
TO 17N82W TO 24N80W...INCLUDING STRAITS OF FLORIDA...WINDS 20 TO
33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST HURRICANE HELENE NEAR 29.5N 84.5W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS
WITHIN 270 NM E SEMICIRCLE AND 140 NM W SEMICIRCLE. SEAS 12 FT OR
GREATER WITHIN 240 NM E SEMICIRCLE...150 NM SW QUADRANT...AND
180 NM SE QUADRANT WITH SEAS TO 40 FT. ELSEWHERE...WITHIN 31N76W
TO 27N86W TO 30N86W TO 27N97W TO 24N97W TO 21N80W TO
31N76W...INCLUDING STRAITS OF FLORIDA AND IN YUCATAN
CHANNEL...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.36 HOUR FORECAST TROPICAL STORM HELENE INLAND NEAR 34.3N 84.7W.
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 70 KT. OVER FORECAST
WATERS...TROPICAL STORM FORCE WINDS AND SEAS 12 FT OR GREATER
WITHIN 210 NM E SEMICIRCLE AND 120 NM SW QUADRANT WITH SEAS TO 18
FT. ELSEWHERE...WITHIN 31N76W TO 29N81W TO 31N81W TO 30N87W TO
28N88W TO 24N80W TO 31N76W WINDS 20 TO 33 KT. SEAS 9 TO 12 FT.
REMAINDER OF AREA...WITHIN 31N74W TO 31N86W TO 27N97W TO 23N97W
TO 22N92W TO 24N79W TO 31N74W...INCLUDING STRAITS OF FLORIDA AND
IN YUCATAN CHANNEL...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL HELENE NEAR 36.7N
87.1W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 50 KT. OVER FORECAST
WATERS...WITHIN 31N78W TO 31N80W TO 29N80W TO 28N79W TO 29N78W TO
31N78W WINDS 20 TO 30 KT. SEAS 8 TO 10 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 LOW PRES NEAR 15N35W 1009 MB. WITHIN 20N35W TO 20N36W TO
17N36W TO 16N36W TO 15N36W TO 15N35W TO 20N35W NE TO E WINDS 20
TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
17N40W 1008 MB. WITHIN 18N38W TO 19N40W TO 19N42W TO 17N42W TO
16N41W TO 17N37W TO 18N38W WINDS 20 TO 30 KT. SEAS 10 TO 11 FT.
ELSEWHERE...WITHIN 21N37W TO 22N39W TO 20N42W TO 17N43W TO
15N39W TO 17N35W TO 21N37W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
IN MIXED SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
18N45W 1007 MB. WITHIN 19N42W TO 20N43W TO 20N45W TO 19N44W TO
18N42W TO 19N42W WINDS 20 TO 30 KT. SEAS 10 TO 11 FT.
ELSEWHERE...WITHIN 21N39W TO 22N44W TO 21N46W TO 18N47W TO
16N45W TO 18N41W TO 21N39W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
IN MIXED SWELL.

.ATLC 12 HOUR FORECAST WITHIN 31N60W TO 31N64W TO 30N64W TO
30N61W TO 31N60W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN N TO NE
SWELL.
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE.

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

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.