000
FZPN04 KNHC 142246
HSFEP3

HIGH SEAS FORECAST FOR METAREA XVI
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
2315 UTC TUE APR 14 2009

CCODE/1:31:16:01:00/AOW/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

S PACIFIC FROM THE EQUATOR TO 18.5S E OF 120W

SYNOPSIS VALID 1800 UTC TUE APR 14.
24 HOUR FORECAST VALID 1800 UTC WED APR 15.
48 HOUR FORECAST VALID 1800 UTC THU APR 16.

.WARNINGS.
...ASHFALL ADVISORY...
FERNANDINA VOLCANO POSITION 0.4S91.5W HAS ERUPTED. IMAGERY SHOWS 
A RELATIVELY THICK PLUME OF GASES AND LIGHT VOLCANIC ASH 
EXTENDING 120 NM TO THE W OF THE VOLCANO. LIGHT ASH CLOUD MOVING 
WEST-NORTHWEST AT APPROXIMATELY 10 KT. MARINERS SHOULD EXERCISE 
CAUTION AS REDUCED VISIBILITIES LESS THAN 5 NM ARE LIKELY N OF 
01S BETWEEN 91.5W AND 94W.
.24 HOUR FORECAST N OF 01S BETWEEN 91.5W AND 94W OCCASIONAL 
VISIBILITY LESS THAN 5 NM IN VOLCANIC ASH.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.S OF 08S W OF 110W AND FROM 08S TO 13S BETWEEN 100W AND 110W E 
TO SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN SW SWELL. ELSEWHERE 
S OF 03S W OF LINE FROM 03S96W TO 18.5S80W WINDS LESS THAN 20 
KT. SEAS TO 8 FT IN SW SWELL.
.24 HOUR FORECAST S OF 08S W OF 113W AND FROM 05S TO 14S BETWEEN 
103W AND 113W E TO SE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT IN 
PRIMARILY SW SWELL. ELSEWHERE S OF LINE FROM 08S120W TO 01S99W 
TO 14S76W WINDS LESS THAN 20 KT. SEAS TO 9 FT IN SW SWELL.
.48 HOUR FORECAST W OF 94W FROM 07S TO 13S E TO SE WINDS 20 KT. 
SEAS 8 TO 10 FT IN MIXED SE AND S SWELL. ELSEWHERE W OF 98W FROM 
04S TO 16S E TO SE WINDS TO 20 KT. SEAS TO 9 FT IN MIXED SW AND 
S SWELL. ELSEWHERE FROM 06S TO 17S BETWEEN 86W AND 90W WINDS 
LESS THAN 20 KT. SEAS TO 9 FT IN S SWELL.

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

CONVECTION VALID 2145 UTC TUE APR 14...
.SCATTERED MODERATE WITHIN 90 NM S SEMICIRCLE AND 150 NM N 
SEMICIRCLE FROM 10S105W.

.TROUGH FROM 04S100W TO 03S105W TO 04S113W TO 02119W. SCATTERED 
MODERATE WITHIN 90 NM OF AXIS BETWEEN 103W AND 107W.

$$
.FORECASTER SCHAUER CLARK. TROPICAL PREDICTION CENTER.