000
FZNT02 KNHC 130917
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI OCT 13 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 0600 UTC FRI OCT 13.
24 HOUR FORECAST VALID 0600 UTC SAT OCT 14.
48 HOUR FORECAST VALID 0600 UTC SUN OCT 15.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM SEAN NEAR 14.3N 40.5W 1004 MB AT 0900 UTC OCT 13
MOVING WNW OR 285 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S
SEMICIRCLE...90 NM NE QUADRANT AND 50 NM NW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 120 NM NE QUADRANT...90 NM SE QUADRANT...0
NM SW QUADRANT...AND 75 NM NW QUADRANT WITH SEAS TO 15 FT. ELSEWHERE 
WITHIN 18N37W TO 18N40W TO 17N41W TO 15N41W TO 14N40W TO
14N37W TO 18N37W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM SEAN NEAR 16.4N 42.9W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 0 NM OF CENTER EXCEPT 50 NM NE QUADRANT. SEAS 12 FT OR
GREATER WITHIN AREA OF TROPICAL STORM FORCE WINDS WITH SEAS TO 
13 FT. ELSEWHERE WITHIN 18N41W TO 19N42W TO 18N43W TO 17N44W TO
16N43W TO 17N40W TO 18N41W WINDS 20 TO 33 KT. SEAS 10 TO
12 FT. REMAINDER OF AREA WITHIN 20N41W TO 20N43W TO 20N44W TO 
17N45W TO 16N44W TO 17N39W TO 20N41W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL DEPRESSION SEAN NEAR 18.4N 45.3W.
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 20N44W TO 20N46W 
TO 19N46W TO 18N45W TO 18N44W TO 20N44W WINDS 20 TO 30 KT. SEAS TO 
8 FT. 
.60 HOUR FORECAST POST-TROPICAL REMNANT LOW SEAN NEAR 19.2N
46.4W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW SEAN NEAR 19.7N
47.6W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

...ATLC GALE WARNING...
.COLD FRONT ALONG 29N BETWEEN 71W AND 81W. WITHIN 31N67W TO 
31N69.5W TO 30.5N70W TO 30.5N69W TO 30.5N67W TO 31N67W W TO NW 
WINDS 30 TO 35 KT. SEAS 10 TO 13 FT. ELSEWHERE WITHIN 31N64W TO 
30N69W TO 31N75W TO 29N73W TO 28N69W TO 30N64W TO 31N64W SW TO W 
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN
31N75W TO 31N80W TO 30N80W TO 30N78W TO 29N76W TO 29N74W TO
31N75W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST COLD FRONT FROM 31N54W TO 26N69W. 
WITHIN 31N50W TO 31N54W TO 28N56W TO 28N53W TO 29N51W TO 31N50W 
SW TO W WINDS 30 TO 35 KT. SEAS 12 TO 18 FT. ELSEWHERE WITHIN
31N45W TO 31N59W TO 25N57W TO 26N46W TO 31N45W SW TO W
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 
31N59W TO 31N68W TO 28N66W TO 26N63W TO 26N59W TO 31N59W WINDS 
20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.42 HOUR FORECAST COLD FRONT FROM 31N43W TO 25N51W. WITHIN 31N35W 
TO 31N45W TO 27N47W TO 25N44W TO 29N36W TO 31N35W SW WINDS 20 TO 
30 KT. SEAS 12 TO 15 FT. ELSEWHERE WITHIN 31N45W TO 31N57W TO 
27N59W TO 23N55W TO 26N47W TO 31N45W WINDS 20 KT OR LESS. SEAS 
8 TO 12 FT IN MIXED SWELL. 
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.CARIBBEAN WITHIN 18N84W TO 19N86W TO 18N87W TO 17N87W TO 16N85W
TO 17N84W TO 18N84W SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.GULF OF MEXICO 30 HOUR FORECAST WITHIN 28N94W TO 29N95W TO
28N97W TO 27N97W TO 27N96W TO 27N95W TO 28N94W N TO NE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.