476  
AXPZ20 KNHC 050932  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1005 UTC MON MAY 5 2025  
 
TROPICAL WEATHER DISCUSSION FOR THE EASTERN PACIFIC OCEAN FROM  
03.4S TO 30N, EAST OF 120W INCLUDING THE GULF OF CALIFORNIA, AND  
FROM THE EQUATOR TO 30N, BETWEEN 120W AND 140W. THE FOLLOWING  
INFORMATION IS BASED ON SATELLITE IMAGERY, WEATHER OBSERVATIONS,  
RADAR, AND METEOROLOGICAL ANALYSIS.  
 
BASED ON 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH  
0850 UTC.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
THE MONSOON TROUGH EXTENDS FROM COSTA RICA NEAR 10N85W TO 10N100W  
TO 07N121W. THE ITCZ EXTENDS FROM 07N121W TO BEYOND 05N140W.  
SCATTERED MODERATE CONVECTION IS FROM 00N TO 10N E OF 91W, FROM  
05N TO 12N BETWEEN 98W AND 114W, AND FROM 04N TO 10N BETWEEN  
117W AND 133W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
 
 
A SURFACE TROUGH, REMNANTS OF A COLD FRONT, EXTENDS ACROSS THE  
SOUTHERN GULF OF CALIFORNIA TO LAS BARRANCAS IN BAJA CALIFORNIA  
SUR TO 22N116W. FRESH TO STRONG SW WINDS ARE ONGOING OVER THE  
NORTHERN GULF OF CALIFORNIA WITH SEAS TO 6 FT. MODERATE TO FRESH  
NW WINDS AND ROUGH SEAS TO 14 FT FOLLOW THE TROUGH OFF BAJA  
CALIFORNIA NORTE, BEING THE HIGHEST SEAS WNW OF GUADALUPE  
ISLAND. FRESH TO STRONG WINDS ARE FUNNELING OFF CABO SAN LUCAS  
WHERE SEAS ARE 8 FT. RELATIVELY BENIGN MARINE CONDITIONS PERSIST  
ELSEWHERE OVER MEXICAN OFFSHORE WATERS.  
 
FOR THE FORECAST, THE SURFACE TROUGH WILL CONTINUE TO MOVE  
ACROSS THE SOUTHERN GULF OF CALIFORNIA TODAY AND DISSIPATE  
TONIGHT. FRESH TO STRONG WESTERLY GAP WINDS WILL PERSIST ACROSS  
THE NORTHERN GULF OF CALIFORNIA THROUGH LATER THIS MORNING. FRESH  
TO STRONG WINDS AND SEAS TO 8 FT WILL CONTINUE OFF CABO SAN  
LUCAS THROUGH TONIGHT. LARGE NW SWELL ASSOCIATED WITH THE TROUGH,  
WITH COMBINED SEAS IN EXCESS OF 8 FT WILL REACH THE WATERS OFF  
CABO SAN LAZARO TODAY, THE REVILLAGIGEDO ISLANDS TUE AND SUBSIDE  
WED EVENING. LIGHT TO GENTLE BREEZES, EXCEPT MODERATE TO FRESH  
NW WINDS OFF CABO CORRIENTES, WILL PERSIST ELSEWHERE OFF SOUTHERN  
MEXICO THROUGH FRI NIGHT.  
 
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,  
AND WITHIN 750 NM OF ECUADOR...  
 
WEATHER REMAINS UNSETTLED ACROSS THE WATERS EAST OF 90W AS  
SHOWERS AND ISOLATED THUNDERSTORMS ASSOCIATED WITH THE MONSOON  
TROUGH ALSO IMPACT COSTA RICA, PANAMA AND COLOMBIA. THIS SHOWER  
ACTIVITY IS SUPPORTING MODERATE TO FRESH SW TO W WINDS ACROSS  
THESE OFFSHORE WATERS WHILE A WEAK PRESSURE GRADIENT ELSEWHERE IS  
RESULTING IN LIGHT TO GENTLE WINDS. SEAS OF 5 TO 6 FT PRIMARILY  
IN SW SWELL ARE ONGOING ACROSS THE OFFSHORE WATERS BETWEEN  
ECUADOR AND THE GALAPAGOS AS WELL AS THE CENTRAL AMERICA OFFSHORE  
WATERS.  
 
FOR THE FORECAST, GENTLE TO LOCALLY MODERATE BREEZES WILL  
PERSIST ACROSS THE WATERS OFF CENTRAL AMERICA, COLOMBIA AND  
ECUADOR, WITH PRIMARILY MODERATE SW SWELL THROUGH THE MIDDLE OF  
THE WEEK. LOOKING AHEAD, LARGE SW SWELL IS EXPECTED IN ECUADORIAN  
WATERS TUE NIGHT THROUGH THU.  
   
..REMAINDER OF THE AREA.
 
 
A SURFACE TROUGH, REMNANTS OF A COLD FRONT, EXTENDS ACROSS THE  
SOUTHERN GULF OF CALIFORNIA TO LAS BARRANCAS IN BAJA CALIFORNIA  
SUR TO 22N116W. FRESH TO LOCALLY STRONG N TO NW WINDS FOLLOW THE  
TROUGH, WHICH IS ALSO IMPACTING THE SUBTROPICAL WATERS NORTH OF  
23N AND E OF 131W WITH ROUGH SEAS IN THE 8 TO 14 FT RANGE.  
FARTHER SOUTH, THE EXTENSION OF THE SUBTROPICAL RIDGE TO NEAR  
17N, IS SUPPORTING A BROAD AREA OF MODERATE TO FRESH TRADE WINDS  
AND 7 TO 9 FT SEAS IN THE DEEP TROPICS WEST OF 125W, WITH A  
COMPONENT OF NE SWELL. MODERATE OR WEAKER WINDS AND MODERATE  
SEAS ARE NOTED ELSEWHERE.  
 
FOR THE FORECAST, THE AFOREMENTIONED TROUGH WILL DISSIPATE AS IT  
MOVES SOUTHWARD OFF THE COAST OF BAJA CALIFORNIA SUR. STRONG  
HIGH PRESSURE BUILDING BEHIND THE TROUGH WILL PROMOTE FRESH TO  
LOCALLY STRONG N TO NE WINDS AND BUILDING SEAS THROUGH TUE, WITH  
THE STRONGEST WINDS AND HIGHEST SEAS OCCURRING EAST OF 130W.  
WINDS AND SEAS WILL DIMINISH TUE NIGHT INTO WED.  
 

 
RAMOS  
 
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