000
FZNT02 KNHC 250910
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC WED OCT 25.
24 HOUR FORECAST VALID 0600 UTC THU OCT 26.
48 HOUR FORECAST VALID 0600 UTC FRI OCT 27.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE TAMMY NEAR 25.6N 60.2W 969 MB AT 0900 UTC OCT 25 
MOVING NE OR 045 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 85 KT GUSTS
105 KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE 
QUADRANT...150 NM SE QUADRANT...60 NM SW QUADRANT...AND 80 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE AND SW 
QUADRANTS...330 NM NW QUADRANT AND 210 NM SE QUADRANT WITH SEAS 
TO 27 FT. ELSEWHERE OVER FORECAST WATERS...WITHIN 29N57W TO 
27N61W TO 31N65W TO 21N64W TO 21N60W TO 22N56W TO 29N57W WINDS 20
TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 28.9N 
59.3W. MAXIMUM SUSTAINED WINDS 75 KT GUSTS 90 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 420 NM N SEMICIRCLE...270 NM SE QUADRANT...AND 480 NM SW 
QUADRANT WITH SEAS TO 32 FT. ELSEWHERE OVER FORECAST 
WATERS...WITHIN 31N52W TO 31N64W TO 26N64W TO 25N58W TO 25N53W TO
31N52W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF 
AREA...WITHIN 29N50W TO 31N53W TO 26N57W TO 26N64W TO 19N64W TO 
22N55W TO 29N50W...INCLUDING IN ATLANTIC EXPOSURES AND 
PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 30.6N
61.6W. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM
FORCE WINDS WITHIN 150 NM NE QUADRANT...110 NM SE QUADRANT...100
NM SW QUADRANT...AND 160 NM NW QUADRANT. SEAS 12 FT OR GREATER
WITHIN 600 NM NE QUADRANT...360 NM SE QUADRANT...660 NM SW
QUADRANT...AND 420 NM NW QUADRANT WITH SEAS TO 29 FT. ELSEWHERE
OVER FORECAST WATERS...WITHIN 31N57W TO 29N61W TO 31N64W TO 
28N64W TO 28N59W TO 29N57W TO 31N57W WINDS 20 TO 33 KT. SEAS 10 
TO 12 FT. REMAINDER OF AREA...WITHIN 31N35W TO 31N58W TO 28N64W 
TO 19N65W TO 19N58W TO 26N54W TO 31N35W...INCLUDING IN ATLANTIC 
EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN
MIXED SWELL.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 31.3N
62.9W. MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 31.2N
63.5W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL TAMMY NEAR 31.0N
63.9W. 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 31N65W TO 31N80W TO 23N80W TO 21N76W TO 21N65W TO 
31N65W...INCLUDING ATLANTIC EXPOSURES...NE WINDS 20 TO 30 KT. 
SEAS 8 TO 11 FT.
.24 HOUR FORECAST WITHIN 31N65W TO 31N81W TO 23N80W TO 22N73W TO
19N66W TO 31N65W...INCLUDING ATLANTIC EXPOSURES...NE WINDS 20 TO
30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST WITHIN 31N65W TO 31N81W TO 23N80W TO 27N66W TO
31N65W...INCLUDING ATLANTIC EXPOSURES...NE WINDS 20 TO 30 KT. 
SEAS 10 TO 13 FT. ELSEWHERE...WITHIN 31N65W TO 31N81W TO 23N80W 
TO 19N66W TO 31N65W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN 
PRIMARILY NE SWELL.

.CARIBBEAN WITHIN 20N78W TO 20N79W TO 20N80W TO 19N79W TO 19N78W
TO 20N78W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 21N80W TO 20N81W TO 19N76W TO 17N74W TO
17N70W TO 19N75W TO 21N80W...INCLUDING BETWEEN CUBA AND 
JAMAICA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 20N74W TO 20N78W TO 21N81W TO 20N82W TO
19N78W TO 19N75W TO 20N74W...INCLUDING BETWEEN CUBA AND 
JAMAICA...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO WITHIN 30N84W TO 30N86W TO 29N87W TO 24N84W TO
23N81W TO 25N81W TO 30N84W...INCLUDING STRAITS OF FLORIDA...E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 29N84W TO 28N87W TO 29N91W TO 27N92W TO
23N87W TO 23N81W TO 29N84W...INCLUDING STRAITS OF FLORIDA...E 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 25N81W TO 29N84W TO 25N86W TO 22N86W TO
23N81W TO 25N81W...INCLUDING STRAITS OF FLORIDA...E WINDS 20 TO 
25 KT. SEAS LESS THAN 8 FT.

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

$$
.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.