000
FZNT02 KNHC 220921
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC SUN OCT 22.
24 HOUR FORECAST VALID 0600 UTC MON OCT 23.
48 HOUR FORECAST VALID 0600 UTC TUE OCT 24.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE TAMMY NEAR 18.5N 62.3W 992 MB AT 0900 UTC OCT 22 
MOVING NNW OR 335 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 75 KT 
GUSTS 90 KT. TROPICAL STORM FORCE WINDS WITHIN 90 NM NE 
QUADRANT...120 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 90 NM SW QUADRANT WITH SEAS TO 25 FT. 
ELSEWHERE...WITHIN 19N59W TO 20N60W TO 20N62W TO 20N63W TO 17N63W
TO 16N60W TO 19N59W...INCLUDING IN ATLANTIC EXPOSURES AND 
PASSAGES...WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF 
AREA...WITHIN 22N57W TO 24N59W TO 24N64W TO 21N65W TO 17N63W TO 
16N59W TO 22N57W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED 
SWELL.
.24 HOUR FORECAST HURRICANE TAMMY NEAR 20.8N 63.5W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM E SEMICIRCLE...30 NM SW QUADRANT AND 70 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 180 NM ALL QUADRANTS 
EXCEPT 120 NM SW QUADRANT WITH SEAS TO 26 FT. ELSEWHERE...WITHIN 
22N60W TO 23N62W TO 22N65W TO 21N65W TO 19N62W TO 20N60W TO 
22N60W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 
TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA...WITHIN 26N62W TO 
30N57W TO 26N67W TO 21N69W TO 18N61W TO 22N59W TO 26N62W WINDS 20
KT OR LESS. SEAS 9 TO 11 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE TAMMY NEAR 22.7N 63.1W. 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 ALL QUADRANTS EXCEPT 120 NM SW QUADRANT WITH SEAS TO 26 
FT. ELSEWHERE...WITHIN 25N61W TO 24N64W TO 22N65W TO 21N63W TO 
21N61W TO 22N60W TO 25N61W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. 
REMAINDER OF AREA...WITHIN 31N65W TO 27N74W TO 23N71W TO 21N66W 
TO 21N60W TO 25N60W TO 31N65W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE TAMMY NEAR 23.8N 61.9W. MAXIMUM
SUSTAINED WINDS 80 KT GUSTS 100 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE TAMMY NEAR 26.0N 61.4W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.120 HOUR FORECAST TROPICAL STORM TAMMY NEAR 29.0N 62.5W.
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 31N75W TO 29N74W TO 27N71W TO 29N64W TO
31N59W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SW SWELL.
.24 HOUR FORECAST CONDITIONS MERGED WITH AREA DESCRIBED ABOVE.

.ATLC WITHIN 31N35W TO 31N36W TO 30N36W TO 30N35W TO 31N35W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO N SWELL.
.09 HOUR FORECAST CONDITIONS IMPROVE.

.ATLC WITHIN 14N48W TO 15N50W TO 15N52W TO 14N52W TO 13N50W TO
13N48W TO 14N48W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN E SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. 

.GULF OF MEXICO 42 HOUR FORECAST WITHIN 28N95W TO 28N96W TO
27N97W TO 26N96W TO 27N95W TO 28N95W SE WINDS 20 TO 30 KT. SEAS
LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 28N95W TO 28N97W TO 27N97W TO 26N97W TO
26N95W TO 27N95W TO 28N95W SE WINDS 20 TO 30 KT. SEAS LESS THAN 
8 FT.

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

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.