000
FZPN03 KNHC 180231
HSFEP2

HIGH SEAS FORECAST                                              
NWS NATIONAL HURRICANE CENTER MIAMI FL                           
0430 UTC SAT MAY 18 2013
 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC SAT MAY 18.
24 HOUR FORECAST VALID 0000 UTC SUN MAY 19.
48 HOUR FORECAST VALID 0000 UTC MON MAY 20.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST

.LOW PRES...REMNANTS OF ALVIN...NEAR 12N114W 1007 MB. WITHIN 180 
NM NE SEMICIRCLE OF LOW WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN A 
BROAD MIX OF SWELL. ELSEWHERE S OF 16N BETWEEN 109W AND 119W 
WINDS 20 KT OR LESS. SEAS TO 9 FT IN PRIMARILY SW SWELL.
.24 HOUR FORECAST LOW PRES...REMNANTS OF ALVIN...NEAR 12.5N117W 
1008 MB. WITHIN 210 NM OF CENTER OF LOW...EXCEPT 0 NM SW 
QUADRANT...WINDS 20 TO 25 KT. SEAS 8 TO 12 FT IN A BROAD MIX OF 
SWELL. S OF 02N BETWEEN 110W AND 122W WINDS 20 KT OR LESS. SEAS 
TO 9 FT IN SW SWELL.
.48 HOUR FORECAST LOW PRES...REMNANTS OF ALVIN...NEAR 13N120W 
1009 MB. WITHIN 240 NM N SEMICIRCLE OF LOW WINDS 20 TO 25 KT. 
SEAS 8 TO 12 FT IN A BROAD MIX OF SWELL. ELSEWHERE FROM 10N TO 
18N BETWEEN 115W AND 125W WINDS 20 KT OR LESS. SEAS TO 9 FT IN 
PRIMARILY SW SWELL.
 
.W OF A LINE FROM 19N140W TO 15N133W TO 10N140W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN MIXED NE WIND WAVES AND SW SWELL.
.18 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.42 HOUR FORECAST N OF 29N BETWEEN 118W AND 123W WINDS 20 KT OR 
LESS. SEAS TO 9 FT IN NW SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

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

CONVECTION VALID 0230 UTC SAT MAY 18... 
.LOW PRES...REMNANTS OF ALVIN...NEAR 12N114W 1009 MB...SCATTERED 
MODERATE WITHIN 180 NM W OF A LINE FROM 20N106W TO 06N112W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...                
MONSOON TROUGH AXIS FROM 07N78W TO 10N86W TO 05N102W TO 07N107W 
THEN RESUMES FROM 10N118W TO LOW PRES NEAR 07N125W 1008 MB TO 
06N133W. ITCZ AXIS FROM 06N133W TO 05N140W. SCATTERED MODERATE 
TO STRONG WITHIN 120 NM S OF MONSOON TROUGH BETWEEN 92W AND 
94W...FROM 06N TO 11N BETWEEN 114W AND 120W...AND FROM 10N TO 
13N BETWEEN 120W AND 123W. SCATTERED MODERATE WITHIN 90 NM NE 
SEMICIRCLE OF LOW...AND WITHIN 120 NM S OF MONSOON TROUGH 
BETWEEN 130W AND 133W.

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.