001
FZNT02 KNHC 270400
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC FRI SEP 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI SEP 27.
24 HOUR FORECAST VALID 0000 UTC SAT SEP 28.
48 HOUR FORECAST VALID 0000 UTC SUN SEP 29.

.WARNINGS.

...GULF OF MEXICO HURRICANE WARNING...
.HURRICANE HELENE NEAR 29.9N 83.9W 938 MB AT 0300 UTC SEP 27
MOVING NNE OR 015 DEG AT 21 KT. MAXIMUM SUSTAINED WINDS 120 KT
GUSTS 140 KT. TROPICAL STORM FORCE WINDS WITHIN 240 NM NE
QUADRANT...270 NM SE QUADRANT...100 NM SW QUADRANT...AND 120 NM
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NE
QUADRANT...340 NM SE QUADRANT...420 NM SW QUADRANT...AND 120 NM
NW QUADRANT WITH SEAS TO 35 FT. ELSEWHERE WITHIN 31N76W TO 29N83W
TO 31N87W TO 30N93W TO 24N84W TO 24N79W TO 31N76W... INCLUDING
STRAITS OF FLORIDA AND ATLANTIC EXPOSURES...WINDS 20 TO 33 KT.
SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 28N92W TO 30N93W TO
27N96W TO 22N93W TO 20N86W TO 21N79W TO 28N92W... INCLUDING
STRAITS OF FLORIDA AND IN YUCATAN CHANNEL...WINDS 20 KT OR LESS.
SEAS 8 TO 12 FT IN MIXED SWELL.
.12 HOUR FORECAST TROPICAL STORM HELENE INLAND NEAR 33.9N 84.0W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 75 KT.
.24 HOUR FORECAST POST-TROPICAL EXTRATROPICAL HELENE NEAR 36.9N
86.2W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 50 KT. WITHIN 31N77W
TO 31N80W TO 28N80W TO 28N78W TO 31N77W WINDS 20 TO 30 KT. SEAS 8
TO 11 FT. ELSEWHERE WITHIN 30N74W TO 31N74W TO 31N77W TO 30N78W
TO 28N78W TO 28N77W TO 30N74W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL HELENE NEAR 36.9N
86.9W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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.

...ATLANTIC GALE WARNING...
.LOW PRES NEAR 16N40W 1007 MB. WITHIN 19N38W TO 19N41W TO 16N41W
TO 15N41W TO 15N39W TO 17N38W TO 19N38W WINDS 20 TO 30 KT. SEAS
8 TO 12 FT. ELSEWHERE WITHIN 20N36W TO 21N40W TO 19N41W TO 18N38W
TO 16N38W TO 16N35W TO 20N36W WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN MIXED SWELL.
.12 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE..NEAR
17N43W 1007 MB. WITHIN 18N42W TO 18N42.5W TO 17.5N43W TO 17N43W
TO 17N42.5W TO 17.5N42W TO 18N42W WINDS 30 TO 35 KT. SEAS 12 TO
16 FT. ELSEWHERE WITHIN 20N38W TO 21N41W TO 19N45W TO 15N43W TO
19N37W TO 20N38W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
18N44W 1005 MB. WITHIN 19N44W TO 19N45W TO 18N45W TO 18N44W TO
19N44W WINDS 30 TO 40 KT. SEAS 12 TO 16 FT. ELSEWHERE WITHIN
20N41W TO 20N43W TO 19N45W TO 18N46W TO 17N44W TO 18N41W TO
20N41W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA
WITHIN 21N41W TO 22N45W TO 19N47W TO 16N46W TO 19N40W TO 21N41W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR
19N48W 1005 MB. WITHIN 20N46W TO 20N48W TO 19N48W TO 18N47W TO
19N47W TO 20N46W WINDS 30 TO 40 KT. SEAS 12 TO 16 FT. ELSEWHERE
WITHIN 20N46W TO 21N47W TO 20N49W TO 19N49W TO 18N48W TO 18N46W
TO 20N46W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA
WITHIN 21N43W TO 24N46W TO 23N49W TO 19N51W TO 17N48W TO 19N44W
TO 21N43W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.

.SYNOPSIS AND FORECAST.

.ATLC 36 HOUR FORECAST WITHIN 21N35W TO 21N37W TO 18N37W TO
17N36W TO 16N35W TO 21N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT
IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 22N35W TO 21N39W TO 18N40W TO 16N38W TO
15N35W TO 22N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE TO E
SWELL.

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

$$
.FORECASTER AREINHART. NATIONAL HURRICANE CENTER.