000
FZPN04 KNHC 161616
HSFEP3

HIGH SEAS FORECAST FOR METAREA XVI
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1715 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC THU APR 16.
24 HOUR FORECAST VALID 1200 UTC FRI APR 17.
48 HOUR FORECAST VALID 1200 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 97W...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 
110W DUE TO THE GASES. 
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.FROM 06S TO 14S W OF 110W 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 MIXED S AND SW SWELL.
.24 HOUR FORECAST FROM 08S TO 13S BETWEEN 90W AND 102W E TO SE 
WINDS 20 KT. SEAS 9 FT IN SE SWELL. ELSEWHERE FROM 03S TO 15S W 
OF 85W WINDS LESS THAN 20 KT. SEAS TO 8 FT IN PRIMARILY SE SWELL.
.48 HOUR FORECAST FROM 05S TO 10S BETWEEN 94W AND 111W E TO SE 
WINDS TO 20 KT. SEAS TO 9 FT IN MIXED SE AND SW SWELL.

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

.CONVECTION VALID 1530 UTC THU APR 16...
.TROUGH FROM 03S90W TO 04S100W TO 02S110W TO 03S120W. SCATTERED 
MODERATE WITHIN 80 NM S OF TROUGH BETWEEN 102W AND 116W.

$$
.FORECASTER GR. TROPICAL PREDICTION CENTER.