000
FZPN03 KNHC 170901
HSFEP2

HIGH SEAS FORECAST                                              
NWS NATIONAL HURRICANE CENTER MIAMI FL                           
1030 UTC FRI MAY 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC FRI MAY 17. 
24 HOUR FORECAST VALID 0600 UTC SAT MAY 18.
48 HOUR FORECAST VALID 0600 UTC SUN MAY 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST

.TROPICAL DEPRESSION ALVIN AT 10.3N 112.0W 1007 MB AT 0900 UTC MAY
17 MOVING W NW AT 11 KT. MAXIMUM SUSTAINED WINDS 30 KT WITH GUSTS
TO 40 KT...SEAS 12 TO 15 FT...WITHIN 75 NM OF CENTER. ELSEWHERE
WITHIN 240 NM E AND 150 NM W SEMICIRCLES WINDS 20 TO 30 KT. SEAS
9 TO 13 FT. REMAINDER WATERS WITHIN 270 NM OF CENTER EXCEPT 330 NM
SW QUADRANT WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN BROAD MIX OF
SWELL.
.12 HOUR FORECAST REMNANT LOW PRESSURE NEAR 11.0N 113.5W 1008 MB. 
WITHIN 180 NM E AND 120 NM W SEMICIRCLES OF CENTER WINDS 20 TO 30 KT.
SEAS 9 TO 14 FT. REMAINDER OF AREA S OF 16N BETWEEN 105W AND 120W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN BROAD MIX OF SWELL.
.24 HOUR FORECAST REMNANT LOW PRESSURE NEAR 12N115W 1009 MB. WITHIN
150 NM E AND 90 NM W SEMICIRCLES OF CENTER WINDS 20 TO 30 KT.
SEAS 8 TO 13 FT. REMAINDER OF AREA S OF 16N BETWEEN 105W AND 120W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN BROAD MIX OF SWELL.  
.48 HOUR ELSEWHERE REMNANT LOW PRESSURE NEAR 13N117W 1010 MB. WITHIN
120 NM E AND 75 NM W SEMICIRCLES OF CENTER WINDS 20 TO 25 KT. SEAS TO
11 FT. 
 
.FROM 14N TO 19N W OF 136W WINDS 20 KT OR LESS. SEAS 8 FT IN 
MIXED NE AND SW SWELL.
.24 HOUR FORECAST FROM 11N TO 18N W OF 137W WINDS 20 KT OR LESS. 
SEAS TO 9 FT IN MIXED NE AND SW SWELL.
.36 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

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

CONVECTION VALID 0900 UTC FRI MAY 17... 
.TROPICAL DEPRESSION ALVIN...SCATTERED MODERATE TO STRONG 60 NM OF
LINE 10N111W TO 13N110W.

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...                
MONSOON TROUGH AXIS FROM 07N77W TO LOW PRES NEAR 07N83W 1009 MB 
TO 09N107W...THEN RESUMES FROM 09N113W TO 07N128W. ITCZ AXIS FROM
07N128W TO 07N140W. ISOLATED MODERATE AND STRONG FROM 04N TO 08N
E OF 100W. SCATTERED MODERATE ISOLATED STRONG WITHIN 120 NM OF
LINE FROM 11N116W TO 06N125W TO 08N133W.

$$
.FORECASTER NELSON. NATIONAL HURRICANE CENTER.