435  
FZPN03 KNHC 301609  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 1200 UTC WED JUL 30.  
24 HOUR FORECAST VALID 1200 UTC THU JUL 31.  
48 HOUR FORECAST VALID 1200 UTC FRI AUG 1.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
 
.WITHIN 14N106W TO 14N109W TO 10N110W TO 08N113W TO 06N111W TO  
06N107W TO 14N106W S TO SE WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.  
ELSEWHERE WITHIN 16N108W TO 17N109W TO 15N110W TO 15N111W TO  
14N111W TO 14N109W TO 16N108W E TO NE WINDS 20 TO 25 KT. SEAS  
LESS THAN 2.5 M. REMAINDER OF AREA WITHIN 16N106W TO 15N109W TO  
07N108W TO 09N105W TO 11N104W TO 16N106W WINDS 20 KT OR LESS.  
SEAS 2.5 TO 3.0 M IN S TO SE SWELL.   
24 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE
 
NEAR  
13N116W 1001 MB. WITHIN 17N114W TO 16N117W TO 11N116W TO 08N120W  
TO 07N116W TO 12N112W TO 17N114W SE TO S WINDS 20 TO 30 KT. SEAS  
2.5 TO 4.0 M. ELSEWHERE WITHIN 17N116W TO 17N118W TO 16N120W TO  
14N119W TO 14N117W TO 16N117W TO 17N116W NE WINDS 20 TO 25 KT.  
SEAS LESS THAN 2.5 M. REMAINDER OF AREA WITHIN 16N109W TO 17N115W  
TO 06N121W TO 06N117W TO 07N111W TO 12N109W TO 16N109W WINDS 20  
KT OR LESS. SEAS 2.5 TO 3.5 M IN SW TO SE SWELL.   
48 HOUR FORECAST LOW PRESSURE...POSSIBLE TROPICAL CYCLONE
 
NEAR  
14N122W 997 MB. WITHIN 18N118W TO 19N122W TO 17N126W TO 14N121W  
TO 08N125W TO 11N116W TO 18N118W E TO SE WINDS 20 TO 30 KT. SEAS  
2.5 TO 4.0 M. ELSEWHERE WITHIN 16N113W TO 21N117W TO 19N121W TO  
14N124W TO 08N121W TO 11N114W TO 16N113W WINDS 20 KT OR LESS.  
SEAS 2.5 TO 4.0 M IN SW TO SE SWELL.  
 
.WITHIN 15N94W TO 16N95W TO 14N97W TO 14N96W TO 15N95W TO  
15N94W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO  
25 KT. SEAS LESS THAN 2.5 M.  
.24 HOUR FORECAST WITHIN 15N95W TO 16N95W TO 15N96W TO 14N95W TO  
15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N WINDS 20 TO 25  
KT. SEAS LESS THAN 2.5 M.  
.48 HOUR FORECAST WITHIN 15N95W TO 16N95W TO 14N96W TO  
15N95W...INCLUDING THE GULF OF TEHUANTEPEC...N TO NE WINDS 20 TO  
25 KT. SEAS LESS THAN 2.5 M.  
 
.WITHIN 11.5N86W TO 11.5N87W TO 11N87.5W TO 10.5N87W TO  
10.5N86.5W TO 11N86W TO 11.5N86W...INCLUDING THE GULF OF  
PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.  
.24 HOUR FORECAST WITHIN 11.5N86W TO 11.5N86.5W TO 11.5N87W TO  
10.5N87W TO 10.5N86.5W TO 10.5N86W TO 11.5N86W...INCLUDING THE  
GULF OF PAPAGAYO...NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5  
M.  
.48 HOUR FORECAST WITHIN 11N86W TO 11N87W TO 11N88W TO 10N88W TO  
10N87W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO...NE TO E  
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.  
 
.WITHIN 15N136W TO 17N139W TO 19N140W TO 11N140W TO 13N138W TO  
14N135W TO 15N136W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN  
MIXED NE AND SE SWELL.  
.24 HOUR FORECAST WITHIN 17N137W TO 18N140W TO 13N140W TO  
14N137W TO 17N137W WINDS 20 KT OR LESS. SEAS 2.5 M IN MIXED NE  
AND SW SWELL.  
.48 HOUR FORECAST WITHIN 20N133W TO 22N140W TO 13N140W TO  
14N136W TO 18N132W TO 20N133W WINDS 20 KT OR LESS. SEAS 2.5 M IN  
MIXED NE AND SW SWELL.  
 
.12 HOUR FORECAST WITHIN 30N115W TO 30N117W TO 30N118W TO  
29N118W TO 29N115W TO 30N115W...INCLUDING SEBASTIAN VIZCAINO  
BAY...NW WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.  
.21 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 1200 UTC WED JUL 30...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
MONSOON TROUGH FROM 09N84W TO A 1008 MB LOW PRES NEAR 12N109W TO  
09N124W. ITCZ FROM 08N127W TO BEYOND 11N140W. WIDESPREAD  
MODERATE LOCALLY STRONG FROM 05N TO 20N BETWEEN 100W AND 120W.  
SCATTERED MODERATE TO STRONG FROM 04N TO 08N E OF 88W...AND 06N  
TO 15N BETWEEN 88W AND 100W. SCATTERED MODERATE FROM 10N TO 13N  
BETWEEN 123W AND 126W.  
 

 
.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.  
 
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