000
FZPN04 KNHC 161032
HSFEP3

HIGH SEAS FORECAST FOR METAREA XVI
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1115 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC THU APR 16.
24 HOUR FORECAST VALID 0600 UTC FRI APR 17.
48 HOUR FORECAST VALID 0600 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 900 NM TO THE W OF THE 
VOLCANO. EXERCISE CAUTION IN THE AREA N OF 02S BETWEEN 91W AND 
108W DUE TO THE GASES. 
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.FROM 06S TO 14S W OF 105W E TO 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 05S TO 13S W OF 85W 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 8 FT IN PRIMARILY SW SWELL.
.48 HOUR FORECAST FROM 04S TO 11S 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 0945 UTC THU APR 16...
.TROUGH FROM 03S103W TO 06S114W TO 09S120W. SCATTERED MODERATE 
WITHIN 180 NM N OF AXIS BETWEEN 107W AND 111W.

$$
.FORECASTER CANGIALOSI. TROPICAL PREDICTION CENTER.