702  
FZPN03 KNHC 182025  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2230 UTC TUE AUG 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 18.  
24 HOUR FORECAST VALID 1800 UTC WED AUG 19.  
48 HOUR FORECAST VALID 1800 UTC THU AUG 20.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
 
.WITHIN 16N95W TO 14.5N95.5W TO 14N95.5W TO 14.5N95W TO 15N95W  
TO 16N95W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS  
20 TO 25 KT. SEAS TO 2.5 M. ELSEWHERE WITHIN 15N95W TO 14N97W TO  
13N97W TO 13N96W TO 14N95W TO 15N95W WINDS 20 KT OR LESS. SEAS  
2.5 TO 3.0 M IN N TO NE SWELL.  
.24 HOUR FORECAST GULF OF TEHUANTEPEC N OF 15N N TO NE WINDS 20  
TO 25 KT. SEAS LESS THAN 2.5 M.  
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.WITHIN 01N101W TO 01N108W TO 00N113W TO 00N132W TO 03.4S114W TO  
03.4S89W TO 01N101W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN  
MIXED SE AND SW SWELL.  
.24 HOUR FORECAST WITHIN 01S96W TO 03N96W TO 02N112W TO 00N135W  
TO 03S120W TO 03.4S82W TO 01S96W WINDS 20 KT OR LESS. SEAS 2.5 TO  
3.0 M IN MIXED SE AND SW SWELL.  
.48 HOUR FORECAST WITHIN 00N106W TO 01N108W TO 01S113W TO  
03.4S111W TO 02S104W TO 03.4S95W TO 00N106W WINDS 20 KT OR LESS.  
SEAS 2.5 M IN MIXED SE AND S SWELL.  
   
06 HOUR FORECAST WITHIN 12N87W TO 11N88W TO 11N87W TO 12N87W
 
 
INCLUDING THE GULF OF PAPAGAYO... E WINDS 20 TO 25 KT. SEAS LESS  
THAN 2.5 M.  
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
.30 HOUR FORECAST WITHIN 12N87W TO 12N88W TO 11N88W TO 11N87W TO  
11N86W TO 12N87W...INCLUDING THE GULF OF PAPAGAYO... E WINDS 20  
TO 25 KT. SEAS LESS THAN 2.5 M.  
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.18 HOUR FORECAST WITHIN 14N136W TO 14N137W TO 13N138W TO  
12N137W TO 12N136W TO 13N136W TO 14N136W WINDS 20 KT OR LESS.  
SEAS 2.5 M IN E SWELL.  
.24 HOUR FORECAST WITHIN 14N136W TO 14N138W TO 13N139W TO  
12N139W TO 12N138W TO 13N137W TO 14N136W WINDS 20 KT OR LESS.  
SEAS 2.5 M IN E SWELL.  
.48 HOUR FORECAST WITHIN 15.5N140W TO 14.5N140W TO 15N140W TO  
15.5N140W WINDS 20 KT OR LESS. SEAS 2.5 M IN E SWELL.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
CONVECTION VALID AT 2000 UTC TUE AUG 18...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
MONSOON TROUGH FROM 10.5N75W TO 09N95W. ITCZ FROM 09N95.5W TO  
09.5N103W...THEN RESUMES FROM 08.5N105W TO 06.5N114W TO 10.5N131W...  
THEN RESUMES NEAR 09.5N134W TO BEYOND 09N140W. SCATTERED TO NUMEROUS  
MODERATE ISOLATED STRONG FROM 03.5N TO 16N BETWEEN 81W AND 90W.  
SCATTERED MODERATE ISOLATED STRONG CONVECTION FROM 10N TO 14N  
BETWEEN 90W AND 98W. SCATTERED TO NUMEROUS MODERATE TO STRONG  
FROM 06.5N TO 14N BETWEEN 99W AND 109W. SCATTERED MODERATE  
CONVECTION IS NOTED FROM 02.5N TO 13N BETWEEN 109W AND 125W.  
SCATTERED TO NUMEROUS MODERATE TO STRONG FROM 00N TO 14N BETWEEN  
128W AND 140W.  
 

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

The Nexlab TPC Page Main Text Page