000
FZNT02 KNHC 280917
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SAT OCT 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT OCT 28.
24 HOUR FORECAST VALID 0600 UTC SUN OCT 29.
48 HOUR FORECAST VALID 0600 UTC MON OCT 30.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL STORM TAMMY NEAR 33.0N 60.1W 994 MB AT 0900 UTC OCT 28
MOVING NE OR 050 DEG AT 6 KT. 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 120 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM E SEMICIRCLE...300 
NM SW QUADRANT AND 180 NM NW QUADRANT WITH SEAS TO 21 FT. OVER 
FORECAST WATERS WITHIN 31N59.5W TO 31N62W TO 30.5N61.5W TO 
30.5N60W TO 31N59.5W SW TO W WINDS 20 TO 25 KT. SEAS 10 TO 14 FT.
ELSEWHERE WITHIN 27N59W TO 31N56W TO 31N77W TO 29N80W TO 18N68W 
TO 15N55W TO 27N59W...INCLUDING IN ATLANTIC EXPOSURES AND 
PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NE SWELL. 
WITHIN 27N71W TO 28N70W TO 28N76W TO 25N78W TO 24N76W TO 27N71W 
NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST TROPICAL STORM TAMMY NEAR 32.6N 56.0W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS 
WITHIN 50 NM S SEMICIRCLE...30 NM NE QUADRANT AND 40 NM NW 
QUADRANT. SEAS 12 FT OR GREATER N OF AREA. OVER FORECAST WATERS 
WITHIN 31N54W TO 31N59W TO 30N58W TO 30N56W TO 30N55W TO 31N54W W
TO NW WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST POST-TROPICAL REMNANT LOW TAMMY NEAR 30.4N 
50.6W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 31N49W 
TO 31N55W TO 29N55W TO 27N53W TO 27N51W TO 29N49W TO 31N49W WINDS
20 TO 30 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST POST-TROPICAL REMNANT LOW TAMMY NEAR 27.5N
50.8W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL REMNANT LOW TAMMY NEAR 27.9N
53.1W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST...DISSIPATED.

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 24 HOUR FORECAST WITHIN 25N66W TO 27N69W TO 22N71W TO 19N66W 
TO 18N60W TO 20N60W TO 25N66W...INCLUDING IN ATLANTIC EXPOSURES 
AND PASSAGES...E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. ELSEWHERE 
WITHIN 28N69W TO 30N72W TO 30N77W TO 28N80W TO 23N75W TO 22N72W TO 
28N69W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS 
8 TO 10 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 27N69W TO 28N73W TO 29N77W TO 26N78W TO 
25N76W TO 25N71W TO 27N69W...INCLUDING ATLANTIC EXPOSURES...WINDS 
20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.

.CARIBBEAN WITHIN 20N78W TO 22N80W TO 21N82W TO 20N82W TO 19N81W
TO 19N78W TO 20N78W NE TO E WINDS 20 TO 25 KT. SEAS TO 8
FT.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.GULF OF MEXICO WITHIN 24N81W TO 25N82W TO 24N84W TO 22N91W TO
21N92W TO 24N81W...INCLUDING STRAITS OF FLORIDA...E WINDS 20 TO
25 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 25N80W TO 25N82W TO 24N84W TO 23N83W TO
23N81W TO 24N80W TO 25N80W...INCLUDING STRAITS OF FLORIDA...NE
TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.36 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 ERA. NATIONAL HURRICANE CENTER.