673  
FZPN03 KNHC 160315  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0430 UTC SUN AUG 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 SUN AUG 16.  
24 HOUR FORECAST VALID 0000 UTC MON AUG 17.  
48 HOUR FORECAST VALID 0000 UTC TUE AUG 18.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
   
LOW PRES...REMNANTS OF HERNAN  
NEAR 16N136W 1007 MB. WITHIN  
22N131W TO 23N135W TO 22N140W TO 15N140W TO 17N134W TO 22N131W  
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.  
.24 HOUR FORECAST REMNANTS OF HERNAN MOVED W OF AREA. OVER  
FORECAST WATERS CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.WITHIN 16N94W TO 16N95W TO 16N96W TO 14N95W TO 15N94W TO  
16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 30 KT.  
SEAS 2.5 TO 3.0 M.  
.24 HOUR FORECAST LITTLE CHANGE.  
.48 HOUR FORECAST LITTLE CHANGE.  
   
WITHIN 11N86W TO 11N90W TO 09N90W TO 08N88W TO 11N86W  
 
INCLUDING THE GULF OF PAPAGAYO...NE TO E WINDS 20 TO 30 KT. SEAS  
2.5 TO 3.0 M.  
.24 HOUR FORECAST LITTLE CHANGE.  
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.WITHIN 28N114W TO 29N114W TO 30N116W TO 27N116W TO 26N114W TO  
28N114W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF  
SHORE...NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.  
.24 HOUR FORECAST LITTLE CHANGE.  
.48 HOUR FORECAST LITTLE CHANGE.  
 
.WITHIN 01S106W TO 00N108W TO 01N116W TO 01S120W TO 03.4S120W TO  
03.4S93W TO 01S106W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN S  
TO SW SWELL.  
.24 HOUR FORECAST WITHIN 02N116W TO 00N124W TO 03.4S120W TO  
02S111W TO 03.4S94W TO 02N116W WINDS 20 KT OR LESS. SEAS 2.5 TO  
3.0 M IN MIXED SE AND SW SWELL.  
.48 HOUR FORECAST WITHIN 01S92W TO 02N108W TO 02N122W TO 00N130W  
TO 03.4S120W TO 03.4S91W TO 01S92W WINDS 20 KT OR LESS. SEAS 2.5  
TO 3.0 M IN MIXED SE AND SW SWELL.  
 
.24 HOUR FORECAST TROPICAL WAVE NEAR 123W. WITHIN 13N117W TO  
14N123W TO 11N123W TO 10N122W TO 09N119W TO 11N117W TO 13N117W  
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.  
.48 HOUR FORECAST TROPICAL WAVE NEAR 128W. WITHIN 14N123W TO  
14N125W TO 14N128W TO 13N129W TO 11N126W TO 12N122W TO 14N123W  
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED SWELL.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
CONVECTION VALID AT 0300 UTC SUN AUG 16...  
   
LOW PRES...REMNANTS OF HERNAN  
SCATTERED MODERATE ISOLATED  
STRONG WITHIN 90 NM NE QUADRANT.  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
MONSOON TROUGH FROM LOW PRES NEAR 10N75W TO 10N84W TO 07N105W.  
ITCZ FROM 06N108W TO 04N119W TO 08N128W TO BEYOND 05N140W.  
NUMEROUS MODERATE ISOLATED STRONG FROM 02N TO 10.5N BETWEEN 77W  
AND 102W. SCATTERED MODERATE FROM 02N TO 16N BETWEEN 108W AND  
119W. SCATTERED MODERATE ISOLATED STRONG WITHIN 150 NM S OF  
ITCZ BETWEEN 120W AND 128W...AND FROM 02N TO 16N BETWEEN 128W  
AND 135W. SIMILAR CONVECTION FROM 00N TO 07N BETWEEN 135W AND  
140W.  
 
 
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.  
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