565  
FZPN03 KNHC 040930  
HSFEP2  
 
HIGH SEAS FORECAST  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1030 UTC SUN MAY 4 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS  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 SUN MAY 4.  
24 HOUR FORECAST VALID 0600 UTC MON MAY 5.  
48 HOUR FORECAST VALID 0600 UTC TUE MAY 6.  
 
.WARNINGS.  
 
.NONE.  
 
.SYNOPSIS AND FORECAST.  
 
.COLD FRONT FROM 31N116W TO 30N118W THEN SURFACE TROUGH ALONG  
28N123W TO 28N127W. WITHIN 30N118W TO 30N127W TO 28N123W TO  
28N122W TO 29N118W TO 30N118W NW TO N WINDS 20 TO 25 KT. SEAS 9  
TO 11 FT. WITHIN 30N127W TO 30N140W TO 26N140W TO 26N135W TO  
28N124W TO 30N127W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW  
SWELL. WITHIN 21N137W TO 26N138W TO 26N140W TO 14N140W TO 14N137W  
TO 19N133W TO 21N137W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N  
TO NE SWELL.  
.24 HOUR FORECAST COLD FRONT DISSIPATED. WITHIN 29N115W TO  
28N123W TO 30N132W TO 22N130W TO 22N124W TO 25N116W TO  
29N115W...INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF  
SHORE...NW TO N WINDS 20 TO 25 KT. SEAS 10 TO 12 FT IN N SWELL.  
WITHIN 30N119W TO 30N126W TO 29N124W TO 28N121W TO 30N119W NW  
WINDS 20 TO 25 KT. SEAS 12 TO 16 FT IN N SWELL. WITHIN 20N129W TO  
26N133W TO 25N140W TO 12N140W TO 11N131W TO 20N129W WINDS 20 KT  
OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.  
.48 HOUR FORECAST WITHIN 24N112W TO 30N116W TO 30N133W TO  
19N128W TO 17N124W TO 19N115W TO 24N112W...INCLUDING SEBASTIAN  
VIZCAINO BAY AND WITHIN 60 NM OF SHORE...WINDS 20 KT OR LESS.  
SEAS 8 TO 10 FT IN N SWELL. WITHIN 16N133W TO 19N135W TO 20N140W  
TO 10N140W TO 12N135W TO 16N133W WINDS 20 KT OR LESS. SEAS 8 FT  
IN N TO NE SWELL.  
 
.WITHIN 31N113W TO 31N114W TO 31N115W TO 30N115W TO 30N114W TO  
30N113W TO 31N113W...INCLUDING THE GULF OF CALIFORNIA...SW WINDS  
20 TO 30 KT. SEAS LESS THAN 8 FT.  
.24 HOUR FORECAST WITHIN 29N112W TO 31N113W TO 31N115W TO  
29N113W TO 28N113W TO 28N111W TO 29N112W...INCLUDING THE GULF OF  
CALIFORNIA...SW TO W WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.  
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS  
LESS THAN 8 FT.  
 
.06 HOUR FORECAST WITHIN 23N109W TO 23N111W TO 22N111W TO  
22N109W TO 22N108W TO 23N109W...INCLUDING WITHIN 60 NM OF  
SHORE... NW WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.  
.24 HOUR FORECAST WITHIN 23N109W TO 23N110W TO 23N111W TO  
22N111W TO 22N109W TO 23N109W...INCLUDING WITHIN 60 NM OF  
SHORE... NW WINDS 20 TO 25 KT. SEAS 8 FT.  
.48 HOUR FORECAST LITTLE CHANGE.  
 
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.  
 
CONVECTION VALID AT 0905 UTC SUN MAY 4...  
   
INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
THE MONSOON TROUGH EXTENDS FROM COSTA RICA NEAR 10N85W TO 09N100W  
TO 09N113W. THE ITCZ EXTENDS FROM 09N113W TO A TROUGH NEAR 132W  
THEN FROM 06N135W TO BEYOND 04N140W. NUMEROUS MODERATE TO  
ISOLATED STRONG FROM 05N TO 11N BETWEEN 81W AND 91W...FROM 05N  
TO 11N BETWEEN 102W AND 119W...AND FROM 04N TO 11N BETWEEN 128W  
AND 134W.  
 
 
.FORECASTER RAMOS. NATIONAL HURRICANE CENTER.  
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