316  
FZPN03 KNHC 112002  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2230 UTC TUE AUG 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 1800 UTC TUE AUG 11.  
24 HOUR FORECAST VALID 1800 UTC WED AUG 12.  
48 HOUR FORECAST VALID 1800 UTC THU AUG 13.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
 
.LOW PRES NEAR 15N137.5W 1006 MB. WITHIN 18N136W TO 20N140W TO  
06N140W TO 10N135W TO 18N136W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0  
M.   
24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE
 
W OF  
AREA. OVER FORECAST WATERS WITHIN 23N138W TO 25N140W TO 07N140W  
TO 11N135W TO 15N135W TO 23N138W WINDS 20 TO 30 KT. SEAS 2.5 TO  
3.5 M.   
48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE
 
W OF  
AREA. OVER FORECAST WATERS WITHIN 24N136W TO 28N138W TO 29N140W TO  
09N140W TO 13N136W TO 24N136W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5  
M.  
 
.WITHIN 19N128W TO 21N129W TO 20N133W TO 15N133W TO 14N130W TO  
16N128W TO 19N128W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.   
24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE
 
NEAR  
18N132W 1007 MB. WITHIN 20N129W TO 23N131W TO 23N135W TO 21N136W  
TO 16N133W TO 16N130W TO 20N129W WINDS 20 TO 30 KT. SEAS 2.5 TO  
3.0 M.   
48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE
 
NEAR  
20N132W 1006 MB. WITHIN 23N130W TO 28N136W TO 21N135W TO 15N134W  
TO 18N129W TO 23N130W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.  
 
.WITHIN 15N94W TO 16N94W TO 16N95W TO 16N96W TO 14N96W TO 13N94W  
TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 20 TO  
25 KT. SEAS LESS THAN 2.5 M.  
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.WITHIN 01N121W TO 02N129W TO 00N137W TO 03.4S120W TO 03.4S117W  
TO 01S117W TO 01N121W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN  
S SWELL.  
.24 HOUR FORECAST WITHIN 01N106W TO 03N121W TO 00N130W TO  
01S120W TO 03.4S120W TO 03S101W TO 01N106W WINDS 20 KT OR LESS.  
SEAS 2.5 TO 3.0 M IN S TO SW SWELL.  
.48 HOUR FORECAST WITHIN 04N105W TO 04N121W TO 00N131W TO  
03.4S120W TO 03.4S95W TO 04N105W WINDS 20 KT OR LESS. SEAS 2.5 TO  
3.0 M IN S TO SW SWELL.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
CONVECTION VALID AT 2000 UTC TUE AUG 11...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
MONSOON TROUGH FROM 09.5N84W TO 06N102W TO LOW PRES NEAR  
15N137.5W TO 13N140W. SCATTERED MODERATE ISOLATED STRONG FROM  
03N TO 09N BETWEEN 87W AND 109W...FROM 04N TO 17N BETWEEN 112W  
AND 120W...FROM 12N TO 19N BETWEEN 126W AND 134W...AND FROM 05N  
TO 17N BETWEEN 134W AND 140W.  
 

 
.FORECASTER AL. NATIONAL HURRICANE CENTER.  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TPC Page Main Text Page