000
FZNT02 KNHC 041605
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED OCT 4 2017

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED OCT 4.
24 HOUR FORECAST VALID 1200 UTC THU OCT  5.
48 HOUR FORECAST VALID 1200 UTC FRI OCT  6.

.WARNINGS.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION SIXTEEN NEAR 12.2N 81.9W 1005 MB AT 1500
UTC OCT 04 MOVING NW OR 305 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS
30 KT GUSTS 40 KT. WITHIN 60 NM NE QUADRANT WINDS 20 TO 30 KT.
SEAS TO 8 FT.
.24 HOUR FORECAST TROPICAL STORM SIXTEEN INLAND NEAR 13.8N 
83.5W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM 
FORCE WINDS WITHIN 30 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE. OVER
FORECAST WATERS WITHIN 60 NM E SEMICIRCLE WINDS 20 TO 33 KT. SEAS
LESS THAN 8 FT.
.48 HOUR FORECAST TROPICAL STORM SIXTEEN NEAR 17.9N 85.0W. 
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM FORCE 
WINDS WITHIN 120 NM NE QUADRANT...70 NM SE QUADRANT...30 NM SW 
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60
NM NE AND 30 NM SW SEMICIRCLES WITH SEAS TO 15 FT. ELSEWHERE
WITHIN 300 NM E AND 60 NM W SEMICIRCLES WINDS 20 TO 33 KT. SEAS 8
TO 12 FT.
.72 HOUR FORECAST TROPICAL STORM SIXTEEN NEAR 23.5N 87.0W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. EXTENDED OUTLOOK...USE
FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST HURRICANE SIXTEEN NEAR 29.0N 86.0W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. 
.120 HOUR FORECAST POST-TROPICAL SIXTEEN NEAR 34.5N 82.5W. 
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 COLD FRONT FROM 31N45W TO 28N53W THEN STATIONARY FRONT TO
26N65W THEN SHEAR LINE TO 25N80W. N OF FRONT AND SHEAR LINE NE
WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. ELSEWHERE OPEN WATERS N OF 
23N W OF 48W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL. 
.24 HOUR FORECAST COLD FRONT FROM 31N40W TO 20N45W THEN 
DISSIPATING STATIONARY FRONT TO 26N70W. N OF COLD FRONT NE WINDS 
20 TO 25 KT. SEAS 8 TO 11 FT. N OF 23N W OF 70W E TO SE WINDS 20 
TO 25 KT. SEAS 8 TO 12 FT. ELSEWHERE N OF 23N BETWEEN 50W AND 70W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL. .48 HOUR 
FORECAST FRONT DISSIPATED. N OF 19N E OF 65W WINDS 20 KT OR LESS.
SEAS 8 TO 9 FT IN NE SWELL.

.GULF OF MEXICO N OF 23N E OF 90W NE TO E WINDS 20 TO 25 KT. SEAS
8 TO 12 FT. N OF 23N W OF 90W WINDS 20 KT OR LESS. SEAS TO 9 FT
IN E SWELL.
.24 HOUR FORECAST TROUGH IN STRAITS OF FLORIDA ALONG 81W. N OF 
23N E OF 87W NE WINDS 20 TO 25 KT. SEAS TO 9 FT. N OF 22N BETWEEN
87W AND 95W WINDS 20 KT OR LESS. SEAS TO 9 FT IN E SWELL. 
.48 HOUR FORECAST TROUGH FROM 25N84W TO 21N88W. FROM 22N TO 28N 
W OF TROUGH TO 92W NE WINDS 20 TO 25 KT. SEAS TO 8 FT.

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

CONVECTION VALID AT 1545 UTC WED OCT 04...

.TROPICAL DEPRESSION SIXTEEN-E...NUMEROUS MODERATE SCATTERED
STRONG WITHIN 90 NM S SEMICIRCLE AND SCATTERED MODERATE ISOLATED
STRONG WITHIN 90 NM N SEMICIRCLE. 

.SCATTERED MODERATE TO ISOLATED STRONG ATLC FROM 22N TO 26N
BETWEEN 74W AND 78W. 

.TROPICAL WAVE ALONG 64W FROM 11N TO 22N. SCATTERED MODERATE
ISOLATED STRONG FROM 12N TO 22N BETWEEN 55W AND 63W.

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.