512  
FZPN03 KNHC 140930  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1030 UTC TUE AUG 14 2018  
 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 AND 03.4S TO THE  
EQUATOR E OF 120W  
 
SYNOPSIS VALID 0600 UTC TUE AUG 14.  
24 HOUR FORECAST VALID 0600 UTC WED AUG 15.  
48 HOUR FORECAST VALID 0600 UTC THU AUG 16.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
 
.REMNANT LOW OF KRISTY NEAR 23.5N137W 1015 MB MOVING W AT 10 KT.  
WITHIN 150 NM NW QUADRANT WINDS 20 KT OR LESS. SEAS TO 8 FT IN  
MIXED SWELL.  
.18 HOUR FORECAST LOW PRES NEAR 24N140W 1014 MB. OVER FORECAST  
WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
.24 HOUR FORECAST LOW TO SHIFT W OF AREA. WINDS 20 KT OR LESS.  
SEAS LESS THAN 8 FT.  
 
.S OF LINE FROM 02.5S80.5W TO 06N116W TO 00N127W WINDS 20 KT OR  
LESS. SEAS 8 TO 10 FT IN S TO SW SWELL...EXCEPT 10 TO 12 FT S OF  
00N BETWEEN 95W AND 113W. FROM 02N TO 06N BETWEEN 79W AND 84W  
WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED SW SWELL.    
24 HOUR FORECAST S OF 05N BETWEEN 80W AND 90W
 
AND S OF LINE  
FROM 10N90W TO 16N118W TO 00N127W...EXCEPT IN LEE OF GALAPAGOS  
ISLANDS...WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN SW SWELL...  
EXCEPT 10 TO 12 FT FROM 03N TO 10N BETWEEN 92W AND 112W.    
48 HOUR FORECAST S OF 08N BETWEEN 79W AND 90W
 
AND S OF 20N  
BETWEEN 90W AND 120W...EXCEPT IN LEE OF GALAPAGOS ISLANDS...  
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN S TO SW SWELL.  
 
.FROM 10.5N TO 12N E OF 89W WINDS 20 KT OR LESS. SEAS TO 8 FT IN  
SW SWELL AND E WIND WAVES.  
.12 HOUR FORECAST GULF OF PAPAGAYO WINDS LESS THAN 20 KT. SEAS  
LESS THAN 8 FT.  
 
.24 HOUR FORECAST LOW PRES NEAR 17N133W 1012 MB. WITHIN 180 NM  
NW QUADRANT NE WINDS 20 TO 25 KT. SEAS TO 8 FT.  
.48 HOUR FORECAST LOW DISSIPATED. TROUGH ALONG 138W FROM 11N TO  
20N. FROM 18N TO 22N BETWEEN 134W AND 140W NE TO E WINDS 20 TO  
25 KT. SEAS 8 TO 9 FT.  
 
.48 HOUR FORECAST LOW PRES NEAR 10.5N126W 1011 MB. WITHIN 180 NM  
NE AND 300 NM SE QUADRANTS WINDS 20 KT OR LESS. SEAS TO 8 FT IN  
S SWELL AND WIND WAVES.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
 
CONVECTION VALID AT 0830 UTC TUE AUG 14...  
 
TROPICAL WAVE ALONG 117W-119W FROM 05N TO 18N WITH A 1011 MB  
SURFACE LOW NEAR 10.5N118W MOVING W AT 10-15 KT...SCATTERED  
MODERATE ISOLATED STRONG IN BANDS WITHIN 210 NM NW SEMICIRCLE.  
ELSEWHERE SCATTERED MODERATE ISOLATED STRONG WITHIN 360 NM  
SW QUADRANT.  
 
TROPICAL WAVE ALONG 130W-131W FROM 06N TO 21N WITH A 1013 MB  
SURFACE LOW NEAR 17N129W MOVING W AT 10-15 KT...SCATTERED  
MODERATE ISOLATED STRONG WITHIN 150 NM N SEMICIRCLE.  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
MONSOON TROUGH AXIS EXTENDS FROM 10N74.5W TO 10N97.5W TO LOW  
PRES NEAR 10.5N118W TO LOW PRES NEAR 17N129W. SCATTERED TO  
LOCALLY NUMEROUS MODERATE TO STRONG CONVECTION FROM 02.5N TO 11N  
E OF 81.5W. SCATTERED MODERATE TO STRONG CONVECTION FROM 05.5N  
TO 13N BETWEEN 81.5W AND 111W.  
 

 
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.  
 
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