000
FZNT02 KNHC 220351
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN OCT 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SUN OCT 22.
24 HOUR FORECAST VALID 0000 UTC MON OCT 23.
48 HOUR FORECAST VALID 0000 UTC TUE OCT 24.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE TAMMY NEAR 17.8N 61.9W 992 MB AT 0300 UTC OCT 22 
MOVING NNW OR 330 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 75 KT 
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 110 NM E 
SEMICIRCLE...30 NM SW QUADRANT AND 70 NM NW QUADRANT. SEAS 12 FT 
OR GREATER WITHIN 150 NM NW AND SE QUADRANTS...180 NM NE QUADRANT
AND 90 NM SW QUADRANT WITH SEAS TO 26 FT. ELSEWHERE...WITHIN 
18N58W TO 20N60W TO 19N63W TO 17N63W TO 16N62W TO 15N59W TO 
18N58W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 
TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA...WITHIN 24N59W TO 
24N64W TO 22N66W TO 16N63W TO 15N58W TO 20N56W TO 24N59W WINDS 20
KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE TAMMY NEAR 20.2N 63.4W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM E SEMICIRCLE...40 NM SW QUADRANT AND 70 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM NE QUADRANT...150 
NM SE QUADRANT...120 NM SW QUADRANT...AND 150 NM NW QUADRANT WITH
SEAS TO 28 FT. ELSEWHERE...WITHIN 22N61W TO 23N62W TO 22N65W TO 
19N64W TO 18N63W TO 18N61W TO 22N61W...INCLUDING IN ATLANTIC 
EXPOSURES AND PASSAGES...WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. 
REMAINDER OF AREA...WITHIN 25N63W TO 31N68W TO 20N68W TO 18N60W 
TO 22N58W TO 25N63W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED
SWELL.
.48 HOUR FORECAST HURRICANE TAMMY NEAR 22.6N 63.8W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NE QUADRANT...110 NM SE QUADRANT...40 NM SW 
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
180 NM E SEMICIRCLE...120 NM SW QUADRANT...AND 150 NM NW QUADRANT
WITH SEAS TO 28 FT. ELSEWHERE...WITHIN 24N61W TO 25N63W TO 
23N65W TO 22N65W TO 21N64W TO 21N61W TO 24N61W WINDS 20 TO 33 KT.
SEAS 10 TO 12 FT. REMAINDER OF AREA...WITHIN 27N61W TO 31N57W TO
31N66W TO 28N72W TO 21N67W TO 21N61W TO 27N61W WINDS 20 KT OR 
LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE TAMMY NEAR 23.5N 63.0W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE TAMMY NEAR 25.0N 62.5W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.120 HOUR FORECAST TROPICAL STORM TAMMY NEAR 27.5N 63.5W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 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 31N59W TO 31N77W TO 28N76W TO 28N70W TO 29N68W TO
28N64W TO 31N59W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN S
SWELL.
.24 HOUR FORECAST CONDITIONS MERGED WITH AREA DESCRIBED ABOVE. 

.ATLC WITHIN 25N67W TO 26N66W TO 26N67W TO 26N68W TO 24N67W TO
24N66W TO 25N67W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN SW SWELL.
.09 HOUR FORECAST CONDITIONS IMPROVE. 

.ATLC WITHIN 31N35W TO 31N37W TO 30N37W TO 30N36W TO 30N35W
TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.15 HOUR FORECAST CONDITIONS IMPROVE.

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

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.