000
FZNT02 KNHC 222101
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN OCT 22.
24 HOUR FORECAST VALID 1800 UTC MON OCT 23.
48 HOUR FORECAST VALID 1800 UTC TUE OCT 24.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE TAMMY NEAR 19.9N 63.4W 988 MB AT 2100 UTC OCT 22
MOVING NW OR 325 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 75 KT
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE
QUADRANT...100 NM SE QUADRANT...30 NM SW QUADRANT...AND 70 NM NW
QUADRANT.  SEAS 12 FT OR GREATER WITHIN 180 NM N
SEMICIRCLE...150 NM SE QUADRANT AND 60 NM SW QUADRANT WITH SEAS
TO 26 FT. ELSEWHERE WITHIN 21N60W TO 22N62W TO 21N65W TO 19N64W TO 17N62W TO
17N60W TO 21N60W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER
OF AREA WITHIN 25N60W TO 25N64W TO 23N66W TO 20N67W TO 17N62W TO
20N58W TO 25N60W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED
SWELL.
.24 HOUR FORECAST HURRICANE TAMMY NEAR 22.0N 63.6W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT. LITTLE CHANGE IN TROPICAL 
STORM FORCE WINDS AND SEAS 12 FT OR GREATER. ELSEWHERE WITHIN 
25N61W TO 25N64W TO 22N66W TO 20N63W TO 21N61W TO 25N61W WINDS 20
TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN
24N60W TO 28N65W TO 23N68W TO 21N67W TO 19N63W TO 20N60W TO
24N60W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE TAMMY NEAR 23.6N 62.0W. 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 N AND 90 NM S SEMICIRCLES WITH SEAS TO 27 FT.
ELSEWHERE WITHIN 25N59W TO 26N63W TO 25N64W TO 23N65W TO
21N61W TO 24N59W TO 25N59W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT.
REMAINDER OF AREA WITHIN 30N61W TO 30N67W TO 26N79W TO 22N69W TO 21N63W TO
25N65W TO 30N61W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED
SWELL.
.72 HOUR FORECAST HURRICANE TAMMY NEAR 25.8N 60.2W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 28.9N 
60.4W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 30.7N 
64.3W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 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 31N62W TO 31N70W TO 29N69W TO 28N67W TO 29N63W TO
31N62W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN W SWELL.
.24 HOUR FORECAST WITHIN 31N57W TO 31N62W TO 30N62W TO 29N61W TO
29N59W TO 30N58W TO 31N57W WINDS 20 KT OR LESS. SEAS 8 FT IN S
TO SW SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
8 FT OR LESS.

.ATLC WITHIN 17N51W TO 17N53W TO 15N53W TO 15N51W TO 17N51W
WINDS 20 KT OR LESS. SEAS 8 FT IN E TO SE SWELL.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.CARIBBEAN 12 HOUR FORECAST LOW PRESSURE NEAR 12N82W 1008 MB. 
WITHIN 12N81W TO 13N81W TO 13N82W TO 11N82W TO 11N81W TO 12N81W 
SE WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE...NEAR
12N83W 1007 MB. WITHIN 14N82W TO 14N83W TO 12N84W TO 12N82W TO 
14N82W E WINDS 20 TO 30 KT. SEAS TO 8 FT.
.36 HOUR FORECAST LOW PRESSURE INLAND. CONDITIONS IMPROVE. WINDS
20 KT OR LESS. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.