000
FZPN04 KNHC 160418
HSFEP3

HIGH SEAS FORECAST FOR METAREA XVI
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0515 UTC THU APR 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC THU APR 16.
24 HOUR FORECAST VALID 0000 UTC FRI APR 17.
48 HOUR FORECAST VALID 0000 UTC SAT APR 18.

.WARNINGS.

...ASHFALL ADVISORY...
LA CUMBRE VOLCANO ON ISLA FERNANDINA GALAPAGOS LOCATED AT 
00.4S91.5W HAS ERUPTED. LIGHT VOLCANIC ASH EXTENDS 300 NM TO 
THE W OF THE VOLCANO MOVING WEST-NORTHWEST AT APPROXIMATELY 
10 KT. EXERCISE CAUTION AS VISIBILITIES LESS THAN 5 NM ARE 
LIKELY N OF 02S BETWEEN 91.5W AND 96W...WITH LOWEST 
VISIBILITY NEAR THE WESTERN COAST OF ISLA FERNANDINA. GASES... 
INCLUDING SULFUR DIOXIDE...EXTEND 600 NM TO THE W OF THE 
VOLCANO. EXERCISE CAUTION DUE TO THE GASES IN THE AREA N OF 02S 
BETWEEN 91W AND 105W. 
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.FROM 06S TO 14S W OF 103W SE WINDS 20 TO 25 KT. SEAS 9 TO 11 
FT. ELSEWHERE S OF 03S W OF 80W E TO SE WINDS TO 20 KT. SEAS TO 
9 FT IN SW SWELL.
.24 HOUR FORECAST FROM 06S TO 13S W OF 105W E TO SE WINDS 20 KT. 
SEAS 8 TO 10 FT IN SW SWELL. ELSEWHERE FROM 03S TO 15S WINDS 
LESS THAN 20 KT. SEAS TO 9 FT IN SW SWELL.
.48 HOUR FORECAST FROM 04S TO 13S W OF 90W E TO SE WINDS TO 20 
KT. SEAS TO 9 FT IN MIXED SW AND NW SWELL.

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

.CONVECTION VALID 0345 UTC WED APR 15...
.TROUGH FROM 03S102W TO 02S120W. SCATTERED MODERATE WITHIN 180 
NM S OF AXIS BETWEEN 107W AND 111W.

$$
.FORECASTER CANGIALOSI. TROPICAL PREDICTION CENTER.