000
FZNT02 KNHC 242045
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC TUE OCT 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC TUE OCT 24.
24 HOUR FORECAST VALID 1800 UTC WED OCT 25.
48 HOUR FORECAST VALID 1800 UTC THU OCT 26.

.WARNINGS.

...ATLANTIC HURRICANE WARNING...
.HURRICANE TAMMY NEAR 24.6N 61.7W 987 MB AT 2100 UTC OCT 24
MOVING NE OR 040 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 65 KT
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE
QUADRANT...150 NM SE QUADRANT...50 NM SW QUADRANT...AND 60 NM NW
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 150 NM NE AND SW
QUADRANTS...210 NM NW QUADRANT AND 120 NM SE QUADRANT WITH SEAS 
TO 25 FT. ELSEWHERE WITHIN 27N61W TO 26N64W TO 23N64W TO 21N61W 
TO 23N59W TO 27N61W WINDS 20 TO 33 KT. SEAS DESCRIBED ABOVE. 
REMAINDER AREA WITHIN 24N58W TO 29N60W TO 26N64W TO 22N67W TO 
20N65W TO 20N60W TO 24N58W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT 
IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE TAMMY NEAR 27.5N 59.6W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM NE QUADRANT...150 NM SE QUADRANT...70 NM SW 
QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
180 NM SE SEMICIRCLE AND 420 NM NW SEMICIRCLE WITH SEAS TO 33 FT.
ELSEWHERE WITHIN 31N55W TO 31N65W TO 25N64W TO 24N59W TO 25N55W 
TO 31N55W WINDS 20 TO 33 KT. SEAS DESCRIBED ABOVE. REMAINDER AREA
WITHIN 29N52W TO 25N64W TO 21N64W TO 20N61W TO 23N54W TO 29N52W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 30.4N 
60.3W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM 
FORCE WINDS WITHIN 170 NM N SEMICIRCLE...150 NM SE QUADRANT AND 
100 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 420 NM OF 
CENTER...EXCEPT 510 NM SW QUADRANT WITH SEAS TO 34 FT. ELSEWHERE 
WITHIN 31N55W TO 31N65W TO 27N65W TO 27N62W TO 28N56W TO 31N55W 
WINDS 20 TO 33 KT. SEAS DESCRIBED ABOVE. REMAINDER AREA WITHIN 
31N46W TO 31N56W TO 28N65W TO 19N65W TO 20N56W TO 24N51W TO 
31N46W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN MIXED SWELL.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 31.6N 
62.2W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 32.0N 
63.4W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 32.0N 
64.4W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.

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 WITHIN 31N60W TO 31N73W TO 27N79W TO 22N70W TO 22N67W TO 
27N64W TO 31N60W...INCLUDING ATLANTIC EXPOSURES... NE WINDS 20 
TO 30 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST WITHIN 31N66W TO 31N81W TO 26N80W TO 24N74W TO 
24N66W TO 31N66W NE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 
ELSEWHERE WITHIN 25N65W TO 25N71W TO 24N74W TO 21N71W TO 20N66W 
TO 25N65W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 31N65W TO 31N80W TO 26N80W TO 24N74W TO 
27N67W TO 31N65W NE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 
ELSEWHERE WITHIN 28N66W TO 24N75W TO 21N74W TO 19N68W TO 19N66W 
TO 28N66W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT IN NE SWELL.

.CARIBBEAN 12 HOUR FORECAST WITHIN 21N77W TO 21N79W TO 20N80W TO 
19N80W TO 19N78W TO 20N77W TO 21N77W...INCLUDING BETWEEN CUBA 
AND JAMAICA... NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 20N79W TO 20N81W TO 19N81W TO 19N80W TO 
19N79W TO 20N79W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.ATLC AND GULF OF MEXICO 06 HOUR FORECAST WITHIN 25N80W TO 
26N82W TO 26N83W TO 25N84W TO 24N83W TO 23N81W TO 
25N80W...INCLUDING STRAITS OF FLORIDA... NE TO E WINDS 20 TO 25 
KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 29N88W TO 26N89W TO 23N85W TO 24N81W TO 
25N81W TO 29N88W...INCLUDING STRAITS OF FLORIDA... E WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 25N80W TO 25N83W TO 27N85W TO 24N86W TO 
23N84W TO 24N80W TO 25N80W...INCLUDING STRAITS OF FLORIDA... NE 
TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.