480  
AXPZ20 KNHC 060936  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1005 UTC TUE MAY 6 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  
0915 UTC.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
THE MONSOON TROUGH EXTENDS FROM NORTHWEST COLOMBIA TO 09N85W TO  
11N97W TO 10N110W TO 08N120W TO 07N129W. THE ITCZ EXTENDS FROM  
07N129W TO BEYOND THE AREA AT 06N140W. SCATTERED MODERATE TO  
ISOLATED STRONG CONVECTION IS SEEN FROM 04N TO 09N BETWEEN 85W  
AND 92W, ALSO WITHIN 60 NM NORTH OF THE TROUGH BETWEEN 111W-114W  
AND WITHIN 30 NM OF THE TROUGH BETWEEN 84W-86W. SCATTERED  
MODERATE CONVECTION IS WITHIN 30 NM OF THE THE TROUGH BETWEEN  
121W-123W AND BETWEEN 132W-134W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO  
 
A 1009 MB LOW CENTER IS EVIDENT IN AN OVERNIGHT SATELLITE  
SCATTEROMETER DATA TO BE LOCATED SOUTHEAST OF CABO SAN LUCAS NEAR  
24N108W. FRESH TO STRONG WNW WINDS ARE PRESENT FROM 22N TO JUST  
OFFSHORE CABO SAN LUCAS AND BETWEEN 109W-112W AS SEEN IN THE  
SCATTEROMETER DATA. SEAS ARE 6 TO 9 FT IN SW TO W SWELL WITH  
THESE WINDS, EXCEPT IN LONG-PERIOD NW SWELL BETWEEN 110W-112W. A  
SURFACE TROUGH STRETCHES FROM SOUTHERN BAJA CALIFORNIA JUST WEST  
OF CABO SAN LUCAS NORTHWESTWARD TO NORTHERN BAJA CALIFORNIA AND  
NORTHEASTWARD FROM THERE TO THE CALIFORNIA/ARIZONA BORDER. HIGH  
PRESSURE OF 1029 MB CONTINUES WELL NW OF THE AREA. WESTERLY GAPS  
WINDS OF LIGHT TO GENTLE SPEEDS ARE ARE OVER THE CENTRAL AND  
SOUTHERN SECTIONS OF THE GULF OF CALIFORNIA. WINDS HAVE BECOME  
GENTLE TO MODERATE IN SPEEDS, AND SOUTH TO SOUTHWEST IN DIRECTION  
OVER THE NORTHERN SECTION OF THE GULF IN RESPONSE TO THE ABOVE  
MENTIONED TROUGH. SEAS ARE 3 TO 5 FT OVER THE GULF, EXCEPT 3 FT  
OR LESS OVER THE CENTRAL PART OF THE GULF. GENTLE TO MODERATE NW  
WINDS ARE ACROSS THE BAJA OFFSHORE WATERS. SEAS OF 8 TO 11 FT IN  
NW LONG- PERIOD SWELL ARE OVER THE OFFSHORE WATERS NORTH OF CABO  
SAN LAZARO, AND SEAS 6 TO 9 FT SOUTH OF CABO SAN LAZARO. SEAS ARE  
5 TO 8 FT IN S TO SW SWELL OVER THE MEXICAN OFFSHORE WATERS.  
 
FOR THE FORECAST, HIGH PRESSURE WELL TO THE NW OF THE AREA WILL  
SLOWLY WEAKEN THROUGH WED. FRESH NW WINDS OFF CABO SAN LUCAS WILL  
DIMINISH THIS AFTERNOON. LARGE NW SWELL IN THE WATERS OFF CABO  
SAN LAZARO WILL REACH THE REVILLAGIGEDO ISLANDS TODAY, AND  
SUBSIDE WED. 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...  
 
THE WEATHER REMAINS UNSETTLED ACROSS THE WATERS EAST OF ABOUT  
100W AS INCREASED SCATTERED MODERATE TO ISOLATED STRONG  
CONVECTION IS OCCURRING ACROSS THIS PART OF THE EASTERN PACIFIC,  
MAINLY ASSOCIATED WITH THE MONSOON TROUGH. THIS ACTIVITY IS ALSO  
REACHING THE COASTAL WATERS OF COSTA RICA AND NORTHERN PANAMA,  
AND CONTINUES ESE TO THE GULF OF PANAMA. MODERATE TO LOCALLY  
FRESH SW TO W WINDS ARE ACROSS THESE OFFSHORE WATERS. A WEAK  
PRESSURE GRADIENT ELSEWHERE IS RESULTING IN LIGHT TO GENTLE  
WINDS. SEAS OF 4 TO 7 FT PRIMARILY IN LONG-PERIOD SW SWELL ARE  
OVER THE CENTRAL AMERICAN OFFSHORE WATERS, EXCEPT FOR HIGHER SEAS  
OF 6 TO 8 FT IN S TO SW SWELL OFFSHORE THE GALAPAGOS ISLANDS.  
 
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 WED. LOOKING  
AHEAD, LARGE SW SWELL IS EXPECTED IN THE ECUADORIAN WATERS  
TONIGHT THROUGH THU.  
   
..REMAINDER OF THE AREA.  
 
HIGH PRESSURE OF 1029 MB IS LOCATED WELL NORTH OF THE AREA NEAR  
34N139W. ASSOCIATED RIDGING EXTENDS SOUTH AND SOUTHEASTWARD  
ACROSS THE REGIONAL WATERS W OF 110W. OVERNIGHT SATELLITE  
SCATTEROMETER DATA SHOWS FRESH NORTH WINDS SOUTH OF 30N BETWEEN  
124W AND 134W TO THE NORTH OF 27N. AN OVERNIGHT ALTIMETER  
SATELLITE PASS INDICATES SEAS NEAR 13 FT JUST NORTH OF 30N  
BETWEEN 124W AND 126W. ELSEWHERE SOUTH OF THE RIDGE, FRESH N TO  
NE WINDS ARE WEST OF 124W, SOUTHWARD TO THE ITCZ ALONG 07N-08N.  
SEAS THERE ARE 6 TO 9 FT IN MIXED SWELL. MODERATE OR WEAKER WINDS  
AND MODERATE SEAS ARE NOTED ELSEWHERE.  
 
FOR THE FORECAST, THE AFOREMENTIONED 1029 MB HIGH PRESSURE WILL  
BEGIN TO DRIFT SOUTHEASTWARD AND WEAKEN THROUGH WED, AHEAD OF AN  
APPROACHING COLD FRONT. THIS WILL MAINTAIN FRESH TO LOCALLY  
STRONG N TO NE WINDS AND BUILDING SEAS DURING TODAY, WITH THE  
STRONGEST WINDS AND HIGHEST SEAS OCCURRING EAST OF 130W. WINDS  
AND SEAS WILL DIMINISH TONIGHT INTO WED AS THE HIGH PRESSURE  
WEAKENS. A COLD FRONT WILL REACH NEAR 30N140W EARLY THU, STALL  
THEN WEAKEN, WITH MODERATE HIGH PRESSURE N OF THE AREA PROMOTING  
MODERATE TO FRESH TRADES ACROSS THE WATERS S OF 20N AND W OF  
120W INTO THE UPCOMING WEEKEND. SEAS WITH THESE TRADES ARE  
EXPECTED TO BE 5 TO 7 FT.  
 
 
AGUIRRE  
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