000
FZPN03 KNHC 160918
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC THU APR 16 2009

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W

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. A LARGE PLUME OF UNKNOWN COMPOSITION 
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 SOUTH OF 01N BETWEEN 91.5W AND 97W. 
GASES...INCLUDING SULFUR DIOXIDE...EXTEND AS MUCH AS 1200 NM TO 
THE W OF THE VOLCANO. EXERCISE CAUTION IN THE AREA S OF 03N 
BETWEEN 91W AND 112W DUE TO THE GASES. 
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.N OF 25N WITHIN 300 NM W OF BAJA CALIFORNIA NW TO N WINDS 20 TO 
30 KT. SEAS 9 TO 13 FT. ELSEWHERE N OF 25N E OF LINE FROM 
30N133W TO 25N140W WINDS LESS THAN 20 KT. SEAS 8 TO 11 FT IN NW 
SWELL.
.24 HOUR FORECAST N OF 23N E OF 120W NW TO N WINDS 20 TO 25 KT. 
SEAS 8 TO 11 FT IN NW SWELL. N OF 24N BETWEEN 120W AND 125W 
WINDS LESS THAN 20 KT. SEAS TO 9 FT IN NW SWELL.
.48 HOUR FORECAST N OF 27N BETWEEN 120W AND 128W N TO NE WINDS 
TO 20 KT. SEAS TO 9 FT IN N SWELL. 

.FROM 06N TO 25N W OF 124W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
12 FT IN NE WIND WAVES AND NW SWELL. ELSEWHERE FROM 10N TO 25N W 
OF 110W N TO NE WINDS TO 20 KT. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST FROM 06N TO 23N W OF 116W NE TO E WINDS 20 TO 
25 KT. SEAS 8 TO 12 FT IN MIXED NE WIND WAVES AND NW SWELL. 
ELSEWHERE FROM 10N TO 23N W OF 111W WINDS LESS THAN 20 KT. SEAS 
8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST FROM 08N TO 22N W OF 120W NE TO E WINDS 20 TO 
25 KT. SEAS 8 TO 11 FT IN NE WIND WAVES AND NW SWELL. ELSEWHERE 
W OF LINE FROM 30N137W TO 18N115W TO 10N110W WINDS LESS THAN 20 
KT. SEAS TO 9 FT IN NW SWELL.

.GULF OF CALIFORNIA N OF 30N NW WINDS TO 20 KT. SEAS LESS THAN 8 
FT.
.24 HOUR FORECAST GULF OF CALIFORNIA FROM 24N TO 30N NW TO N 
WINDS 20 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

.WITHIN 30 NM EITHER SIDE OF A LINE FROM 11N86W TO 10N89W 
INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS TO 20 KT. 
SEAS TO 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

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

.CONVECTION VALID 0900 UTC THU APR 16...

INTERTROPICAL CONVERGENCE ZONE...05N77W TO 06N110W TO 07N140W. 
SCATTERED MODERATE WITHIN 180 NM N AND 120 NM S OF AXIS BETWEEN 
87W AND 92W. SCATTERED MODERATE WITHIN 120 NM OF AXIS BETWEEN 
129W AND 136W.

$$
.FORECASTER CANGIALOSI. TROPICAL PREDICTION CENTER.