000
FZNT02 KNHC 252057
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC WED OCT 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED OCT 25.
24 HOUR FORECAST VALID 1800 UTC THU OCT 26.
48 HOUR FORECAST VALID 1800 UTC FRI OCT 27.

.WARNINGS.

...ATLANTIC HURRICANE WARNING...
.HURRICANE TAMMY NEAR 28.0N 57.9W 969 MB AT 2100 UTC OCT 25
MOVING NE OR 045 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 85 KT
GUSTS 105 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM E
SEMICIRCLE...60 NM SW QUADRANT AND 100 NM NW QUADRANT.SEAS 12
FT OR GREATER WITHIN 300 NM NE QUADRANT...270 NM SE
QUADRANT...360 NM SW QUADRANT...AND 480 NM NW QUADRANT WITH SEAS
TO 33 FT. ELSEWHERE WITHIN 31N54W TO 31N65W TO 25N64W TO 23N59W 
TO 24N54W TO 31N54W WINDS 20 TO 33 KT. SEAS DESCRIBED ABOVE. 
REMAINDER AREA WITHIN 24N56W TO 25N65W TO 21N64W TO 20N60W TO 
21N57W TO 24N56W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED 
SWELL.
.24 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 30.5N 
59.4W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM 
FORCE WINDS WITHIN 210 NM NE QUADRANT...150 NM SE QUADRANT...100 
NM SW QUADRANT...AND 170 NM NW QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 480 NM NW SEMICIRCLE...AND 360 NM SW QUADRANT WITH SEAS TO
32 FT. ELSEWHERE WITHIN 31N54W TO 31N65W TO 28N64W TO 28N58W TO 
29N56W TO 31N54W WINDS 20 TO 33 KT. SEAS DESCRIBED ABOVE. 
REMAINDER AREA WITHIN 31N48W TO 31N55W TO 28N65W TO 19N64W TO 
20N58W TO 25N50W TO 31N48W WINDS 20 KT OR LESS. SEAS 8 TO 13 FT 
IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL TAMMY NEAR 31.5N 61.1W. MAXIMUM 
SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS 
WITHIN 150 NM N SEMICIRCLE...110 NM SE QUADRANT AND 100 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 480 NM NE QUADRANT...270 
NM SE QUADRANT...570 NM SW QUADRANT...AND 360 NM NW QUADRANT WITH
SEAS TO 26 FT. ELSEWHERE WITHIN 31N58W TO 31N65W TO 30N64W TO 
29N62W TO 29N59W TO 31N58W WINDS 20 TO 33 KT. SEAS DESCRIBED 
ABOVE. REMAINDER AREA WITHIN 31N48W TO 30N65W TO 19N64W TO 17N60W
TO 25N55W TO 31N48W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN 
MIXED SWELL.
.72 HOUR FORECAST POST-TROPICAL TAMMY NEAR 32.1N 61.7W. MAXIMUM 
SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL TAMMY NEAR 32.5N 61.5W. MAXIMUM 
SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST POST-TROPICAL TAMMY NEAR 32.8N 61.0W. 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 31N66W TO 31N80W TO 26N80W TO 24N77W TO 25N66W TO 
31N66W NE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. ELSEWHERE WITHIN 
25N66W TO 25N75W TO 23N75W TO 20N69W TO 20N65W TO 25N66W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL.
.24 HOUR FORECAST WITHIN 31N65W TO 31N74W TO 29N80W TO 24N79W TO 
28N66W TO 31N65W NE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 
ELSEWHERE WITHIN 26N66W TO 31N72W TO 31N80W TO 27N79W TO 22N73W 
TO 19N66W TO 26N66W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NE 
SWELL.
.48 HOUR FORECAST WITHIN 31N66W TO 31N74W TO 29N79W TO 27N80W TO 
25N76W TO 28N67W TO 31N66W NE WINDS 20 TO 30 KT. SEAS 8 TO 13 
FT. ELSEWHERE WITHIN 31N66W TO 31N79W TO 29N80W TO 20N70W TO 
19N66W TO 31N66W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NE 
SWELL.

.ATLC 30 HOUR FORECAST WITHIN 31N35W TO 31N41W TO 29N41W TO 
29N40W TO 29N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN NW SWELL. 
.48 HOUR FORECAST WITHIN 31N35W TO 31N37W TO 29N38W TO 26N37W TO 
25N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 FT IN NW SWELL.

.CARIBBEAN WITHIN 21N78W TO 21N80W TO 20N80W TO 19N79W TO 19N78W 
TO 21N78W NE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.GULF OF MEXICO WITHIN 25N80W TO 25N81W TO 26N86W TO 24N86W TO 
23N84W TO 23N81W TO 25N80W...INCLUDING STRAITS OF FLORIDA... NE 
TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
.24 HOUR FORECAST WITHIN 25N81W TO 25N87W TO 24N87W TO 23N85W TO 
23N80W TO 25N81W...INCLUDING STRAITS OF FLORIDA... E WINDS 20 TO 
25 KT. SEAS 8 TO 9 FT. 
.48 HOUR FORECAST WITHIN 24N81W TO 25N81W TO 25N82W TO 24N83W TO 
23N83W TO 23N81W TO 24N81W...INCLUDING STRAITS OF FLORIDA... NE 
TO E WINDS 20 TO 25 KT. SEAS 8 FT.

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

$$
.FORECASTER AL. NATIONAL HURRICANE CENTER.