852  
AXPZ20 KNHC 300748  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1005 UTC WED APR 30 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  
0730 UTC.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
THE MONSOON TROUGH EXTENDS FROM 10N86W TO 07N102W TO 07N117W.  
THE ITCZ CONTINUES FROM 07N117W TO BEYOND 05N140W. SCATTERED  
MODERATE ISOLATED STRONG CONVECTION IS NOTED FROM 05N TO 10N EAST  
OF 100W, AND FROM 03N TO 10N BETWEEN 120W AND 140W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
 
 
MODERATE WINDS PREVAIL WEST OF THE BAJA CALIFORNIA PENINSULA,  
EXTENDING SOUTHWARD TO THE REVILLAGIGEDO ISLANDS. LIGHT TO  
GENTLE WINDS ARE ELSEWHERE, INCLUDING IN THE GULF OF CALIFORNIA.  
SEAS ARE IN THE 6-7 FT OVER THE OPEN WATERS OFF MEXICO, AND 3 FT  
OR LESS IN THE GULF OF CALIFORNIA.  
 
FOR THE FORECAST, A BROAD RIDGE EXTENDING SOUTHEASTWARD ACROSS  
THE BAJA WATERS WILL WEAKEN SLIGHTLY ACROSS THE REGION THROUGH  
THE REMAINDER OF THE WEEK, LEADING TO A GRADUAL DECREASE IN WINDS  
AND SEAS ACROSS THE BAJA WATERS. W TO SW WINDS ARE EXPECTED  
ACROSS THE GULF OF TEHUANTEPEC INTO THE UPCOMING WEEKEND.  
MODERATE TO FRESH W TO SW GAP WINDS WILL DEVELOP ACROSS THE  
NORTHERN GULF OF CALIFORNIA TONIGHT AND THU NIGHTS. A COLD FRONT  
WILL MOVE INTO THE BAJA NORTE WATERS SAT NIGHT AND REACH THE  
CENTRAL BAJA WATERS SUN, ACCOMPANIED BY A SIGNIFICANT INCREASE IN  
WINDS AND SEAS.  
 
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,  
AND WITHIN 750 NM OF ECUADOR...  
 
MODERATE TO FRESH WINDS ARE IN THE GULF OF PAPAGAYO, WITH  
MODERATE WINDS IN THE GULF OF PANAMA. GENTLE WINDS ARE  
ELSEWHERE. SEAS ARE IN THE 5-7 FT RANGE.  
 
FOR THE FORECAST, MODERATE TO FRESH WINDS WILL PULSE AT NIGHT  
ACROSS THE PAPAGAYO REGION THROUGH EARLY FRI, BEFORE WINDS  
DIMINISH THROUGH THE UPCOMING WEEKEND. MODERATE NORTHERLY WINDS  
ACROSS THE GULF OF PANAMA WILL DIMINISH SLIGHTLY THROUGH THU,  
THEN BECOME LIGHT AND VARIABLE INTO THE WEEKEND.  
   
..REMAINDER OF THE AREA.
 
 
A BROAD RIDGE DOMINATES THE REGIONAL PACIFIC WATERS N OF 10N  
AND W OF 110W. THE PRESSURE GRADIENT BETWEEN THIS RIDGE AND  
LOWER PRESSURE IN THE VICINITY OF THE ITCZ IS SUPPORTING FRESH TO  
LOCALLY STRONG NE TRADE WINDS N OF THE ITCZ TO 20N AND W OF  
120W. SEAS OVER THESE WATERS ARE IN THE 7-9 FT RANGE. MODERATE  
ANTICYCLONIC WINDS DOMINATE THE REMAINING WATERS N OF THE ITCZ  
AND W OF 110W, WITH SEAS OF 6 TO 8 FT IN N TO NE SWELL. S OF THE  
ITCZ/MONSOON TROUGH, LIGHT TO GENTLE WINDS AND SEAS OF 5-6 FT  
PREVAIL.  
 
FOR THE FORECAST, THE BROAD HIGH PRESSURE RIDGE CURRENTLY  
DOMINATING THE REGION W OF 110W WILL BEGIN TO WEAKEN AND SHIFT  
SE AHEAD OF AN APPROACHING FRONTAL SYSTEM. THE WEAKENING RIDGE  
WILL RESULT IN A DECREASING TREND IN WINDS AND WAVE HEIGHTS N OF  
THE ITCZ THROUGH END OF THE WEEK. A COLD FRONT WILL ENTER THE NW  
WATERS FRI EVENING, AND MOVE E-SE AND REACH FROM 30N121W TO  
26N140W BY SAT EVENING. FRESH TO LOCALLY STRONG N TO NE WINDS AND  
BUILDING SEAS OF 8 TO 10 FT ARE EXPECTED BEHIND THE FRONT.  
 

 
AL  
 
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