313  
FZPN03 KNHC 120244  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0430 UTC WED AUG 12 2026  
 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 0000 UTC WED AUG 12.  
24 HOUR FORECAST VALID 0000 UTC THU AUG 13.  
48 HOUR FORECAST VALID 0000 UTC FRI AUG 14.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
 
.LOW PRESSURE NEAR 15N138W 1004 MB. WITHIN 15N135W TO 18N137W TO  
19N140W TO 08N140W TO 11N136W TO 15N135W SE TO S WINDS 25 TO 35  
KT. SEAS 2.5 TO 3.0 M.   
24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE
 
W OF  
AREA. OVER FORECAST WATERS E OF 140W WITHIN 19N136W TO 22N140W  
TO 09N140W TO 10N138W TO 14N136W TO 19N136W SE WINDS 25 TO 35 KT.  
SEAS 2.5 TO 4.5 M.    
48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE
 
W OF  
AREA. OVER FORECAST WATERS E OF 140W WITHIN 22N137W TO 24N140W  
TO 12N140W TO 13N137W TO 16N136W TO 22N137W E WINDS 20 TO 25 KT.  
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.  
 
.WITHIN 16N94W TO 16N96W TO 15N96W TO 13N96W TO 13N95W TO 14N94W  
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... NE WINDS 20 TO  
30 KT. SEAS 2.5 TO 3.0 M.  
.24 HOUR FORECAST LITTLE CHANGE.  
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.WITHIN 11N86W TO 12N88W TO 10N90W TO 10N89W TO 10N88W TO  
11N86W...INCLUDING THE GULF OF PAPAGAYO... E WINDS 20 TO 30 KT.  
SEAS TO 2.5 M.  
.24 HOUR FORECAST LITTLE CHANGE.  
.48 HOUR FORECAST LITTLE CHANGE.  
 
.WITHIN 00N117W TO 01N121W TO 02N128W TO 00N135W TO 03.4S120W TO  
03.4S115W TO 00N117W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S  
SWELL.  
.24 HOUR FORECAST WITHIN 02N112W TO 02N116W TO 00N130W TO  
02S120W TO 03.4S120W TO 03.4S106W TO 02N112W WINDS 20 KT OR  
LESS. SEAS 2.5 TO 3.0 M IN S TO SW SWELL.  
.48 HOUR FORECAST WITHIN 01S101W TO 02N109W TO 02N118W TO  
00N125W TO 03.4S120W TO 03S99W TO 01S101W WINDS 20 KT OR LESS.  
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.  
   
24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE
 
NEAR  
19N133W 1003 MB. WITHIN 20N130W TO 21N133W TO 20N135W TO 18N135W  
TO 18N133W TO 18N131W TO 20N130W E TO SE WINDS 25 TO 35 KT. SEAS  
2.5 TO 3.0 M.   
48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE
 
NEAR  
19N133W 1002 MB. WITHIN 21N131W TO 23N133W TO 21N136W TO 19N137W  
TO 18N134W TO 20N131W TO 21N131W NE WINDS 20 TO 30 KT. SEAS 2.5  
TO 3.0 M.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
CONVECTION VALID AT 0200 UTC WED AUG 12...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
MONSOON TROUGH FROM 08N78W TO 08N115W...AND FROM 15N125W TO 1004  
MB LOW PRESSURE NEAR 15N139W. SCATTERED MODERATE CONVECTION IS  
FROM 05N TO 09N BETWEEN 85W AND 100W...FROM 08N TO 14N BETWEEN  
100W AND 110W...AND FROM 10N TO 18N BETWEEN 130W AND 140W.  
 

 
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.  
 
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