562  
FZPN03 KNHC 291558  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1630 UTC MON SEP 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 MON SEP 29.  
24 HOUR FORECAST VALID 1200 UTC TUE SEP 30.  
48 HOUR FORECAST VALID 1200 UTC WED OCT 1.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
 
.LOW PRES NEAR 21N124.5W 1007 MB MOVING NE 5 KT. WITHIN 22N123W  
TO 22N124W TO 23N127W TO 21N127W TO 20N126W TO 19N123W TO 22N123W  
WINDS 20 TO 25 KT. SEAS 3.0 TO 3.5 M IN NW SWELL. ELSEWHERE WITHIN  
30N119W TO 30N125W TO 24N129W TO 18N127W TO 19N120W TO 24N117W  
TO 30N119W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MERGING S  
AND NW SWELL.  
.24 HOUR FORECAST LOW PRES NEAR 21.5N124.5W 1009 MB. WITHIN  
23N127W TO 23N128W TO 22N128W TO 21N128W TO 20N127W TO 21N126W TO  
23N127W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW TO N SWELL.  
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 2.5 M.  
 
.LOW PRES NEAR 09.5N112W 1010 MB MOVING W 6 KT. WITHIN 08N106W  
TO 09N106W TO 08N107W TO 08N108W TO 08N108W TO 08N107W TO 08N106W  
WINDS 20 KT OR LESS. SEAS 2.5 M IN S TO SW SWELL.   
24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE
 
NEAR  
12N113.5W 1008 MB. WITHIN 09N110W TO 10N110W TO 10N112W TO  
08N114W TO 07N113W TO 08N110W TO 09N110W SW WINDS 20 TO 25 KT.  
SEAS 2.5 TO 3.0 M IN S TO SW SWELL. ELSEWHERE WITHIN 12N107W TO  
11N111W TO 08N114W TO 07N114W TO 07N109W TO 07N107W TO 12N107W  
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MERGING S AND NW SWELL.   
48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE
 
NEAR  
12.5N117W 1008 MB. WITHIN 10N111W TO 11N111W TO 11N113W TO  
09N114W TO 07N114W TO 08N112W TO 10N111W SW WINDS 20 TO 25 KT.  
SEAS 2.5 TO 3.0 M IN S TO SW SWELL. ELSEWHERE WITHIN 13N111W TO  
13N113W TO 08N115W TO 07N115W TO 07N111W TO 10N108W TO 13N111W  
WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MERGING SW AND NW SWELL.  
 
.WITHIN 30N137W TO 30N140W TO 29N140W TO 30N137W WINDS 20 KT OR  
LESS. SEAS 2.5 TO 3.0 M IN MERGING N AND SE SWELL.  
.24 HOUR FORECAST WITHIN 29N135W TO 30N136W TO 29N138W TO  
28N140W TO 27N139W TO 28N137W TO 29N135W WINDS 20 KT OR LESS.  
SEAS 2.5 M IN NW TO N SWELL.  
.48 HOUR FORECAST WITHIN 30N136W TO 30N140W TO 29N140W TO  
29N139W TO 30N136W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW TO N  
SWELL.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.  
 
CONVECTION VALID AT 1500 UTC MON SEP 29...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
MONSOON TROUGH FROM NEAR 10N75W TO 09N79W TO 14N95W TO LOW  
PRESSURE...INVEST EP98...NEAR 09.5N112W TO 07N121W...THEN  
RESUMES S-SW OF POST-TROPICAL NARDA FROM 14N127W TO 11.5N137W.  
ITCZ FROM 11.5N137W TO BEYOND 11.5N140W. SCATTERED MODERATE TO  
STRONG CONVECTION FROM 03N TO 09N BETWEEN 77W AND 81W...AND WITHIN  
180 NM OF THE COASTS BETWEEN 83W AND 103W. SCATTERED MODERATE  
CONVECTION FROM 06N TO 11.5N BETWEEN 92W AND 110W...AND FROM  
10.5N TO 13N BETWEEN 135.5W AND 140W. SCATTERED TO LOCALLY  
NUMEROUS MODERATE TO STRONG CONVECTION FROM 09N TO 12N BETWEEN  
111.5W AND 114.5W  
 

 
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.  
 
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