000
FZNT02 KNHC 111615
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED OCT 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC WED OCT 11.
24 HOUR FORECAST VALID 1200 UTC THU OCT 12.
48 HOUR FORECAST VALID 1200 UTC FRI OCT 13.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM SEAN NEAR 10.9N 34.4W 1006 MB AT 1500 UTC OCT 11
MOVING WNW OR 285 DEG AT 11 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER
EXCEPT 80 NM NE QUADRANT. SEAS 12 FT OR GREATER WITHIN 0 NM OF 
CENTER EXCEPT 60 NM NE QUADRANT WITH SEAS TO 13 FT. OVER FORECAST
WATERS WITHIN 14N35W TO 13.5N35.5W TO 12N36W TO 11N36W TO 
10.5N35W TO 14N35W NE WINDS 20 TO 33 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST TROPICAL STORM SEAN NEAR 11.7N 37.4W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NE QUADRANT...60 NM SE QUADRANT...0 NM SW 
QUADRANT...AND 40 NM NW QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 90 NM E SEMICIRCLE AND O NM W SEMICIRCLE WITH SEAS TO 16 
FT. WITHIN 15N35W TO 15N38W TO 13N39W TO 11N39W TO 11N36W TO 
11N35W TO 15N35W E TO SE WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST TROPICAL STORM SEAN NEAR 13.1N 40.5W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 80 NM NE QUADRANT...60 NM SE QUADRANT...20 NM SW 
QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 45 NM E SEMICIRCLE AND O NM W SEMICIRCLE WITH SEAS TO 12 
FT. WITHIN 13N39W TO 14N41W TO 13N41W TO 13N40W TO 13N39W SE TO 
S WINDS 20 TO 33 KT. SEAS 8 TO 10 FT. WITHIN 15N38W TO 16N39W TO
16N40W TO 15N41W TO 14N40W TO 14N39W TO 15N38W E TO SE WINDS 20 
TO 25 KT. SEAS 8 TO 10 FT.
.72 HOUR FORECAST TROPICAL STORM SEAN NEAR 15.1N 43.0W. MAXIMUM 
SUSTAINED WINDS 35 KT GUSTS 45 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST TROPICAL STORM SEAN NEAR 16.8N 45.3W. MAXIMUM 
SUSTAINED WINDS 35 KT GUSTS 45 KT. 
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW SEAN NEAR 18.1N 
48.9W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.

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

...GULF OF MEXICO GALE WARNING...
.WITHIN 29N90W TO 30N94W TO 29N94W TO 27N94W TO 27N92W TO 28N90W
TO 29N90W NE TO E WINDS 20 TO 30 KT. SEAS TO 8 FT. 
.03 HOUR FORECAST WITHIN 28.5N90.5W TO 29N92W TO 28.5N92.5W TO 
28N92.5W TO 28N91W TO 28N90.5W TO 28.5N90.5W NE WINDS 25 TO 35 
KT. SEAS 9 TO 11 FT. WITHIN 30N88W TO 29N91W TO 29N95W TO 27N95W
TO 27N92W TO 28N88W TO 30N88W NE TO E WINDS 20 TO 30 KT. SEAS 8 
FT. WITHIN 28N88W TO 28N89W TO 27N92W TO 25N92W TO 25N90W TO 
27N88W TO 28N88W S WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
.15 HOUR FORECAST WITHIN 29N84W TO 31N86W TO 30N90W TO 28N92W TO
27N90W TO 27N86W TO 29N84W E TO SE WINDS 20 TO 30 KT. SEAS 8 TO
10 FT. WITHIN 29N92W TO 28N95W TO 27N95W TO 26N95W TO 26N92W TO 
27N91W TO 29N92W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE 
SWELL. 
.24 HOUR FORECAST WITHIN 29N85W TO 29N86W TO 29N87W TO 28N87W TO
27N85W TO 28N85W TO 29N85W WINDS 20 KT OR LESS. SEAS 8 FT IN SW 
SWELL. 
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

...ATLC GALE WARNING...
.18 HOUR FORECAST WITHIN 31N79W TO 31N81W TO 30N82W TO 30N81W TO
30N80W TO 31N79W E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.24 HOUR FORECAST WITHIN 31N75W TO 31N81W TO 28N81W TO 28N79W TO
29N78W TO 31N75W SW WINDS 20 TO 30 KT. SEAS 8 FT. 
.30 HOUR FORECAST WITHIN 31N73W TO 31N75.5W TO 30N75.5W TO 
30N74.5W TO 30.5N73.5W TO 31N73W SW TO W WINDS 25 TO 35 KT. SEAS 
8 TO 10 FT. WITHIN 31N76W TO 31N81W TO 30.5N80.5W TO 30N79W TO 
30.5N76.5W TO 31N76W NE WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
WITHIN 31N70W TO 30N75W TO 31N75W TO 30N80W TO 28N77W TO 29N71W 
TO 31N70W SW TO W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST WITHIN 31N55W TO 29N62W TO 31N64W TO 27N70W TO
26N64W TO 27N59W TO 31N55W SW TO W WINDS 20 TO 30 KT. SEAS 8 TO 
10 FT. WITHIN 31N58W TO 31N64W TO 29N64W TO 29N62W TO 31N58W SW 
TO W WINDS 30 TO 40 KT. SEAS 11 TO 13 FT. WITHIN 31N64W TO 31N76W
TO 27N74W TO 27N71W TO 29N66W TO 31N64W N WINDS 20 TO 30 KT. 
SEAS 10 TO 12 FT.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N35W TO 31N45W TO 26N37W TO 26N35W TO 31N35W W
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. 
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.CARIBBEAN 09 HOUR FORECAST WITHIN 14N71W TO 13N72W TO 13N74W TO
11N73W TO 11N71W TO 11N69W TO 14N71W...INCLUDING THE GULF OF
VENEZUELA... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.CARIBBEAN 12 HOUR FORECAST WITHIN 18N83W TO 19N84W TO 19N85W TO
18N87W TO 16N87W TO 16N85W TO 18N83W SE WINDS 20 TO 25 KT. SEAS
LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 19N85W TO 19N86W TO 19N87W TO 17N86W TO
16N85W TO 18N84W TO 19N85W SE WINDS 20 TO 25 KT. SEAS LESS THAN
8 FT.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT. 
.36 HOUR FORECAST WITHIN 19N85W TO 19N86W TO 19N87W TO 17N86W TO
16N85W TO 18N84W TO 19N85W E TO SE WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT. 
.48 HOUR FORECAST WITHIN 18N85W TO 19N86W TO 18N87W TO 17N87W TO
16N85W TO 17N85W TO 18N85W...INCLUDING THE GULF OF HONDURAS... 
SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.