000
FZNT02 KNHC 241454
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC TUE OCT 24.
24 HOUR FORECAST VALID 1200 UTC WED OCT 25.
48 HOUR FORECAST VALID 1200 UTC THU OCT 26.

.WARNINGS.

...ATLANTIC HURRICANE WARNING...
.HURRICANE TAMMY NEAR 24.2N 62.3W 987 MB AT 1500 UTC OCT 24
MOVING NE OR 035 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 65 KT
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM NE
QUADRANT...120 NM SE QUADRANT...40 NM SW QUADRANT...AND 70 NM NW
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 120 NM E SEMICIRCLE AND
150 NM W SEMICIRCLE WITH SEAS TO 26 FT. ELSEWHERE WITHIN 28N61W 
TO 26N65W TO 22N67W TO 20N64W TO 20N61W TO 22N58W TO 28N61W WINDS
20 TO 33 KT. SEAS 12 FT. REMAINDER AREA WITHIN 26N61W TO 25N64W 
TO 23N65W TO 21N62W TO 21N60W TO 23N59W TO 26N61W WINDS 20 KT OR 
LESS. SEAS 8 TO 15 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE TAMMY NEAR 26.7N 59.9W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM NE QUADRANT...120 NM SE QUADRANT...70 NM SW 
QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
180 NM E SEMICIRCLE...300 NM SW QUADRANT...AND 360 NM NW QUADRANT
WITH SEAS TO 32 FT. ELSEWHERE WITHIN 31N56W TO 31N65W TO 24N64W 
TO 23N57W TO 27N55W TO 31N56W WINDS 20 TO 33 KT. SEAS DESCRIBED 
ABOVE. ELSEWHERE WITHIN 24N56W TO 25N59W TO 24N65W TO 21N64W TO 
22N57W TO 24N56W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED 
SWELL.
.48 HOUR FORECAST HURRICANE TAMMY NEAR 30.1N 59.5W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 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 330 NM E SEMICIRCLE...390 
NM SW QUADRANT...AND 420 NM NW QUADRANT WITH SEAS TO 35 FT. 
ELSEWHERE WITHIN 31N54W TO 31N65W TO 27N64W TO 27N58W TO 28N55W 
TO 31N54W WINDS 20 TO 33 KT. SEAS DESCRIBED ABOVE. REMAINDER AREA
WITHIN 27N51W TO 31N49W TO 28N57W TO 28N65W TO 19N64W TO 19N61W 
TO 27N51W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN MIXED SWELL.
.60 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 31.2N 
60.6W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 31.8N 
61.6W. 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 32.5N 
63.5W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 32.6N 
65.1W. 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 31N61W TO 31N70W TO 27N77W TO 23N74W TO 23N70W TO 
31N61W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST WITHIN 31N65W TO 31N79W TO 26N80W TO 20N71W TO 
20N66W TO 31N65W NE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST WITHIN 31N65W TO 31N81W TO 27N80W TO 23N74W TO 
26N67W TO 31N65W NE TO E WINDS 20 TO 30 KT. SEAS 9 TO 14 FT. 
ELSEWHERE WITHIN 28N66W TO 23N73W TO 22N73W TO 19N68W TO 19N66W 
TO 28N66W WINDS 20 KT OR LESS. SEAS 8 TO 14 FT IN NE SWELL.

.CARIBBEAN 18 HOUR FORECAST WITHIN 21N77W TO 21N79W TO 20N79W TO 
19N79W TO 19N78W TO 21N77W...INCLUDING BETWEEN CUBA AND 
JAMAICA... NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 20N77W TO 21N78W TO 20N81W TO 19N80W TO 
19N79W TO 19N77W TO 20N77W...INCLUDING BETWEEN CUBA AND 
JAMAICA... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 21N78W TO 22N80W TO 21N81W TO 20N82W TO 
19N81W TO 19N78W TO 21N78W NE TO E WINDS 20 TO 25 KT. SEAS LESS 
THAN 8 FT.

.GULF OF MEXICO WITHIN 28N94W TO 30N95W TO 28N97W TO 25N98W TO 
26N95W TO 28N94W WINDS 20 KT OR LESS. SEAS 8 FT IN SE SWELL.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.GULF OF MEXICO 12 HOUR FORECAST WITHIN 29N83W TO 28N84W TO 
24N84W TO 23N83W TO 24N81W TO 26N81W TO 29N83W...INCLUDING 
STRAITS OF FLORIDA... NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 
8 FT.
.24 HOUR FORECAST WITHIN 29N83W TO 29N88W TO 27N88W TO 23N86W TO 
23N81W TO 24N80W TO 29N83W...INCLUDING STRAITS OF FLORIDA... E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 29N83W TO 29N88W TO 27N88W TO 23N86W TO 
23N81W TO 24N80W TO 29N83W...INCLUDING STRAITS OF FLORIDA... 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.