000
FZPN03 KNHC 161523
HSFEP2

HIGH SEAS FORECAST
NWS TPC/NATIONAL HURRICANE CENTER MIAMI FL
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 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. 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 S 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 110W DUE TO THE GASES. 
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.N OF 24N E OF 122W NW TO N WINDS 20 TO 30 KT. SEAS 9 TO 12 FT. 
ELSEWHERE N OF 24N E OF 130W N TO NE WINDS TO 20 KT. SEAS 8 TO 
11 FT IN NW TO N SWELL.
.24 HOUR FORECAST N OF 28N BETWEEN 118W AND 124W N WINDS 20 TO 
25 KT. SEAS 8 TO 10 FT WITH NW SWELL. ELSEWHERE N OF 23N BETWEEN 
110W AND 124W N TO NE WINDS TO 20 KT. SEAS TO 9 FT IN NW SWELL.
.48 HOUR FORECAST N OF 27N BETWEEN 120W AND 125W N TO NE WINDS 
TO 20 KT. SEAS TO 9 FT IN NW SWELL. 

.FROM 06N TO 24N W OF 124W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 
11 FT WITH NE WIND WAVES AND NW SWELL. ELSEWHERE FROM 09N TO 24N 
W OF 110W N TO NE WINDS TO 20 KT. SEAS 8 TO 10 FT IN NW SWELL.
.24 HOUR FORECAST FROM 07N TO 23N W OF 115W NE TO E WINDS 20 TO 
25 KT. SEAS 8 TO 11 FT IN MIXED NE WIND WAVES AND NW SWELL. 
ELSEWHERE FROM 10N TO 23N W OF 110W 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 KT. 
SEAS 8 TO 10 FT IN NE WIND WAVES AND NW SWELL. ELSEWHERE FROM 
09N TO 18N W OF 110W WINDS LESS THAN 20 KT. SEAS TO 9 FT IN NW 
SWELL.

.GULF OF CALIFORNIA N OF 29N NW WINDS TO 20 KT. SEAS LESS THAN 8 
FT.
.24 HOUR FORECAST GULF OF CALIFORNIA FROM 23N TO 29N NW WINDS 20 
TO 25 KT. SEAS TO 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 1530 UTC THU APR 16...

INTERTROPICAL CONVERGENCE ZONE...04N77W TO 06N110W TO 07N124W TO 
05N140W. SCATTERED MODERATE/ISOLATED STRONG FROM 02N TO 05N 
BETWEEN 87W AND 92W. SCATTERED MODERATE WITHIN 100 TO 120 NM N 
OF AXIS BETWEEN 115W AND 135W.

$$
.FORECASTER GR. TROPICAL PREDICTION CENTER.