000
FZNT02 KNHC 190411
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC THU OCT 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU OCT 19.
24 HOUR FORECAST VALID 0000 UTC FRI OCT 20.
48 HOUR FORECAST VALID 0000 UTC SAT OCT 21.

.WARNINGS.

...TROPICAL STORM WARNING... 
.TROPICAL STORM TAMMY NEAR 13.0N 53.1W 1006 MB AT 0300 UTC OCT 
19 MOVING W OR 270 DEG AT 15 KT. MAXIMUM SUSTAINED WINDS 35 KT 
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S 
SEMICIRCLE...120 NM NE QUADRANT AND 60 NM NW QUADRANT. SEAS 12 FT
OR GREATER WITHIN 0 NM S SEMICIRCLE...210 NM NE QUADRANT AND 120
NM NW QUADRANT WITH SEAS TO 16 FT. WITHIN 17N44W TO 22N52W TO 
20N58W TO 12N55W TO 10N49W TO 12N45W TO 17N44W E WINDS 20 TO 33 KT.
SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM TAMMY NEAR 13.7N 56.8W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NE QUADRANT...80 NM SE QUADRANT...20 NM SW 
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 270 NM E SEMICIRCLE...60 NM SW QUADRANT AND 150 NM NW
QUADRANT WITH SEAS TO 22 FT. WITHIN 17N52W TO 18N56W TO 15N58W 
TO 13N57W TO 10N52W TO 13N49W TO 17N52W E TO SE WINDS 20 TO 33 
KT. SEAS 11 TO 13 FT. WITHIN 19N49W TO 22N55W TO 22N62W TO 
13N60W TO 10N52W TO 13N48W TO 19N49W...INCLUDING IN ATLANTIC 
EXPOSURES AND PASSAGES...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN
MIXED SWELL. 
.48 HOUR FORECAST TROPICAL STORM TAMMY NEAR 15.4N 60.3W. MAXIMUM
SUSTAINED WINDS 55 KT GUSTS 65 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 300 NM NE QUADRANT...90 
NM SE QUADRANT...60 NM SW QUADRANT AND 180 NM NW QUADRANT WITH 
SEAS TO 25 FT. WITHIN 17N56W TO 19N60W TO 17N64W TO 14N61W TO 
12N58W TO 14N56W TO 17N56W...INCLUDING IN ATLANTIC EXPOSURES AND 
PASSAGES...E TO SE WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. WITHIN 
21N51W TO 24N58W TO 24N65W TO 18N63W TO 19N57W TO 12N51W TO 
21N51W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.72 HOUR FORECAST TROPICAL STORM TAMMY NEAR 18.4N 62.5W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST HURRICANE TAMMY NEAR 22.0N 63.4W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. 
.120 HOUR FORECAST HURRICANE TAMMY NEAR 27.5N 60.0W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 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 STATIONARY FRONT FROM 31N61W TO E CUBA. WITHIN 29N63W TO 
29N64W TO 28N66W TO 27N66W TO 27N64W TO 28N63W TO 29N63W NE WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT. 
.06 HOUR FORECAST WEAKENING STATIONARY FRONT. CONDITIONS 
IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN STATIONARY FRONT FROM E CUBA TO GULF OF HONDURAS. WITHIN
18N83W TO 18N85W TO 18N87W TO 17N87W TO 16N86W TO 17N84W TO 
18N83W NE WINDS 20 TO 25 KT. SEAS 8 FT. 
.06 HOUR FORECAST STATIONARY FRONT DISSIPATES. CONDITIONS 
IMPROVE. WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.CARIBBEAN WITHIN 12N69W TO 14N71W TO 13N73W TO 12N74W TO 11N72W
TO 11N70W TO 12N69W...INCLUDING THE GULF OF VENEZUELA... NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 13N69W TO 14N70W TO 13N73W TO 10N72W TO
11N71W TO 11N69W TO 13N69W...INCLUDING THE GULF OF VENEZUELA...
NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.30 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 RAMOS. NATIONAL HURRICANE CENTER.