000
FZNT02 KNHC 271602
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC FRI OCT 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI OCT 27.
24 HOUR FORECAST VALID 1200 UTC SAT OCT 28.
48 HOUR FORECAST VALID 1200 UTC SUN OCT 29.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM TAMMY N OF AREA NEAR 32.2N 61.1W 988 MB AT 1500 
UTC OCT 27 MOVING NW OR 320 DEG AT 3 KT. MAXIMUM SUSTAINED WINDS 
55 KT GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 80 NM S 
SEMICIRCLE...140 NM NE QUADRANT AND 180 NM NW QUADRANT. SEAS 12 
FT OR GREATER WITHIN 360 NM E SEMICIRCLE...760 NM SW QUADRANT AND
250 NM NW QUADRANT WITH SEAS TO 28 FT. OVER FORECAST WATERS WITHIN
31N59W TO 31N63W TO 31N69W TO 29N67W TO 30N63W TO 30N59W TO 
31N59W WINDS 20 TO 30 KT. SEAS 15 TO 23 FT IN MAINLY NE SWELL. 
ELSEWHERE WITHIN 27N59W TO 31N51W TO 31N76W TO 28N80W TO 20N71W 
TO 17N60W TO 27N59W...INCLUDING IN ATLANTIC EXPOSURES AND 
PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 22 FT IN NE SWELL... 
HIGHEST NE.
.24 HOUR FORECAST TROPICAL STORM TAMMY N OF AREA NEAR 32.7N 
59.9W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM 
FORCE WINDS WITHIN 100 NM S SEMICIRCLE...140 NM NE QUADRANT AND 
150 NM NW QUADRANT. OVER FORECAST WATERS WITHIN 31N58.5W TO 
31N61W TO 31N60.5W TO 30.5N60W TO 30.5N59W TO 31N58.5W SW WINDS 
20 TO 25 KT. SEAS 11 TO 12 FT IN NW SWELL. ELSEWHERE WITHIN 
26N63W TO 31N56W TO 31N77W TO 27N80W TO 14N56W TO 19N57W TO 
26N63W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES AND 
ATLANTIC EXPOSURES WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N TO 
NE SWELL.
.48 HOUR FORECAST TROPICAL STORM TAMMY N OF AREA NEAR 32.0N 
54.5W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM 
FORCE WINDS WITHIN 100 NM NE QUADRANT...90 NM SE QUADRANT...80 NM
SW QUADRANT...AND 110 NM NW QUADRANT. OVER FORECAST WATERS 
WITHIN 31N51W TO 31N54W TO 31N57W TO 30N56W TO 30N54W TO 30N52W 
TO 31N51W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. ELSEWHERE WITHIN 
31N56.5W TO 31N59.5W TO 30N58.5W TO 30N57W TO 30.5N56W TO 
31N56.5W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.
.72 HOUR FORECAST TROPICAL STORM TAMMY NEAR 29.0N 50.0W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM TAMMY NEAR 27.5N 50.0W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION TAMMY NEAR 28.0N 51.0W. 
MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 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 11N46W TO 13N51W TO 10N49W TO 09N49W TO 08N47W TO
09N45W TO 11N46W E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST WITHIN 20N36W TO 17N43W TO 21N58W TO 15N56W TO
09N50W TO 13N35W TO 20N36W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 13N48W TO 14N50W TO 12N59W TO 10N57W TO
11N54W TO 12N49W TO 13N48W WINDS 20 KT OR LESS. SEAS 8 FT IN NE 
SWELL.

.ATLC WITHIN 31N35W TO 31N56W TO 27N59W TO 16N61W TO 26N49W TO
26N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE 
SWELL.
.24 HOUR FORECAST CONDITIONS MERGED. 

.ATLC 27 HOUR FORECAST WITHIN 26N74W TO 26N75W TO 25N76W TO
24N75W TO 25N74W TO 26N74W NE WINDS 20 TO 25 KT. SEAS 12 FT IN 
NE SWELL.
.48 HOUR FORECAST WITHIN 27N71W TO 28N72W TO 28N73W TO 27N76W TO
26N75W TO 27N72W TO 27N71W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
9 FT IN NE TO E SWELL. ELSEWHERE WITHIN 27N71W TO 28N76W TO 
28N80W TO 24N74W TO 25N71W TO 27N71W...INCLUDING ATLANTIC 
EXPOSURES...WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL. 
WITHIN 25N67W TO 25N70W TO 24N69W TO 23N68W TO 22N65W TO 23N66W 
TO 25N67W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN E TO SE 
SWELL. ELSEWHERE WITHIN 24N66W TO 25N68W TO 23N69W TO 22N69W TO 
21N66W TO 21N65W TO 24N66W WINDS 20 KT OR LESS. SEAS 8 FT IN E 
SWELL.

.CARIBBEAN WITHIN 21N80W TO 21N82W TO 20N78W TO 19N74W TO 20N74W
TO 21N80W NE TO E WINDS 20 TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.CARIBBEAN 24 HOUR FORECAST WITHIN 12N74W TO 11N76W TO 12N76W TO
09N77W TO 10N76W TO 11N76W TO 12N74W S WINDS 20 TO 30 KT. SEAS
LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 14N73W TO 14N74W TO 12N74W TO 13N74W TO
13N73W TO 14N73W S TO SW WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO 12 HOUR FORECAST WITHIN 23N84W TO 24N81W TO
23N84W TO 22N91W TO 20N91W TO 23N84W...INCLUDING STRAITS OF
FLORIDA AND WITHIN 60 NM OF COAST OF CAMPECHE...NE TO E WINDS 20
TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.
.36 HOUR FORECAST WITHIN 24N79W TO 24N82W TO 24N83W TO 24N85W TO
23N85W TO 23N81W TO 24N79W...INCLUDING STRAITS OF FLORIDA... NE 
TO E WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.45 HOUR FORECAST 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 STRIPLING. NATIONAL HURRICANE CENTER.