000
FZPN04 KNHC 150427
HSFEP3

HIGH SEAS FORECAST FOR METAREA XVI
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
0515 UTC WED APR 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 WED APR 15.
24 HOUR FORECAST VALID 0000 UTC THU APR 16.
48 HOUR FORECAST VALID 0000 UTC FRI APR 17.

.WARNINGS.
...ASHFALL ADVISORY...
FERNANDINA VOLCANO POSITION 0.4S91.5W HAS ERUPTED. LIGHT 
VOLCANIC ASH EXTENDING 180 NM TO THE W OF THE VOLCANO MOVING 
WEST-NORTHWEST AT APPROXIMATELY 10 KT. MARINERS SHOULD EXERCISE 
CAUTION AS REDUCED VISIBILITIES LESS THAN 5 NM ARE LIKELY S OF 
02N BETWEEN 91W AND 96W. GASES...INCLUDING SULFUR 
DIOXIDE...EXTENDING 600 NM TO THE W OF THE VOLCANO. MARINERS 
SHOULD FURTHER EXERCISE CAUTION ELSEWHERE S OF 05N BETWEEN 91W 
AND 105W.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.S OF 07S W OF 100W E TO SE WINDS 20 KT. SEAS 8 TO 10 FT IN SW 
SWELL. ELSEWHERE S OF 02S W OF LINE FROM 02S96W TO 18.5S77W 
WINDS LESS THAN 20 KT. SEAS TO 9 FT IN SW SWELL.
.24 HOUR FORECAST S OF 06S W OF 98W E TO SE WINDS 20 KT. SEAS 8 
TO 10 FT. ELSEWHERE S OF LINE 06S120W TO 02S102W TO 13S76W WINDS 
LESS THAN 20 KT. SEAS TO 9 FT IN SW SWELL.
.48 HOUR FOREACAST FROM 15S TO 02S W OF 100W E TO SE WINDS 20 
KT. SEAS 8 TO 10 FT IN SW SWELL. FROM 16S TO 03S BETWEEN 85W TO 
100W WINDS LESS THAN 20 KT. SEAS TO 9 FT IN SW SWELL.

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

CONVECTION VALID 0330 UTC WED APR 15...
.SCATTERED MODERATE WITHIN 60 NM OF 09S105W.

.TROUGH FROM 04S100W TO 03S105W TO 04S113W TO 02119W. NO 
SIGNIFICANT CONVECTION.

$$
.FORECASTER CHRISTENSEN. TROPICAL PREDICTION CENTER.