589  
FZPN03 KNHC 300937  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1030 UTC WED JUL 30 2025  
 
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 WED JUL 30.  
24 HOUR FORECAST VALID 0600 UTC THU JUL 31.  
48 HOUR FORECAST VALID 0600 UTC FRI AUG 1.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
 
.LOW PRESS W OF AREA. WITHIN 16N138W TO 17N140W TO 10N140W TO  
11N139W TO 13N137W TO 16N138W E WINDS 20 TO 25 KT. SEAS 2.5 TO  
3.0 M.  
.24 HOUR FORECAST WITHIN 17N136W TO 19N140W TO 13N140W TO 15N136W  
TO 17N136W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E  
SWELL.  
.48 HOUR FORECAST WITHIN 18N132W TO 21N133W TO 20N140W TO 12N140W  
TO 14N136W TO 18N132W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN  
NE TO E SWELL.  
 
.LOW PRESSURE NEAR 11N108W 1008 MB. WITHIN 13N104W TO 15N105W TO  
14N108W TO 10N108W TO 07N110W TO 08N105W TO 13N104W SE TO S  
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.    
24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE  
NEAR  
12N115W 1007 MB. WITHIN 18N108W TO 17N115W TO 11N114W TO 08N119W  
TO 05N115W TO 10N108W TO 18N108W SE TO S WINDS 20 TO 30 KT. SEAS  
3 TO 4 M.    
48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE  
NEAR  
14N120W 1006 MB. WITHIN 20N113W TO 17N123W TO 08N122W TO 06N119W  
TO 09N113W TO 13N111W TO 20N113W SE WINDS 20 TO 30 KT. SEAS 3 TO  
4 M.  
 
.WITHIN 15N94W TO 16N94W TO 16N95W TO 15N96W TO 14N96W TO 14N95W  
TO 15N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE WINDS  
20 TO 30 KT. SEAS 2.5 M.  
.24 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N95W  
TO 15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N  
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.  
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 14N96W TO  
14N95W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE  
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.  
 
.36 HOUR FORECAST WITHIN 11N86W TO 12N86W TO 11N88W TO 10N88W TO  
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E  
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.  
.42 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
CONVECTION VALID AT 0900 UTC WED JUL 30...  
   
INVEST EP99 NEAR 11N108W  
SCATTERED MODERATE TO STRONG FROM  
05N TO 16N BETWEEN 95W AND 119W.  
   
TROPICAL WAVE WITH AXIS NEAR 91W  
SCATTERED MODERATE FROM 05N  
TO 15N BETWEEN 87W AND 95W.  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
THE MONSOON TROUGH EXTENDS FROM 09N83W TO A 1008 MB LOW NEAR  
11N108W TO 08N127W. THE ITCZ BEGINS NEAR 08N127W AND CONTINUES TO  
10N138W.  
 
 
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.  
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