803  
AXPZ20 KNHC 200338  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
0405 UTC SUN APR 20 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 0000 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH  
0330 UTC.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
THE MONSOON TROUGH ENTERS THE PACIFIC OCEAN NEAR 07N78W AND  
EXTENDS TO 08N84W TO 05N96W. THE ITCZ CONTINUES FROM 05N96W TO  
BEYOND 03N140W. A SECOND ITCZ HAS BEEN ANALYZED FROM 01S119W TO  
06S140W. SCATTERED MODERATE TO STRONG CONVECTION IS OCCURRING  
FROM 01S TO 10N EAST OF 90W. SCATTERED MODERATE TO ISOLATED  
STRONG CONVECTION IS NOTED FROM 04N TO 10N BETWEEN 90W AND 125W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
 
 
FRESH TO LOCALLY STRONG NW WINDS ARE OCCURRING OFFSHORE OF  
SOUTHWESTERN MEXICO FROM JALISCO TO MICHOACAN AS LOW PRESSURE  
RESIDES OVER CENTRAL MEXICO. ELSEWHERE, A TROUGH HAS BEEN  
ANALYZED OVER THE GULF OF CALIFORNIA, WHILE RIDGING DOMINATES THE  
REST OF THE WATERS. THE PRESSURE GRADIENT BETWEEN THE  
AFOREMENTIONED FEATURES IS SUPPORTING MODERATE TO LOCALLY FRESH  
NW WINDS JUST OFFSHORE OF THE BAJA PENINSULA SOUTH OF PUNTA  
EUGENIA, AS WELL AS THROUGH THE CENTRAL AND SOUTHERN GULF OF  
CALIFORNIA. MODERATE SEAS OF 4 TO 7 FT ARE NOTED THROUGH MUCH OF  
THE REGIONAL WATERS, WITH SLIGHT SEAS OF 1 TO 4 FT IN THE GULF OF  
CALIFORNIA.  
 
FOR THE FORECAST, FRESH TO LOCALLY STRONG NW WINDS WILL PULSE  
OFFSHORE OF SOUTHWESTERN MEXICO NEAR JALISCO EACH NIGHT AND  
MORNING THROUGH EARLY NEXT WEEK. FARTHER NORTH, MODERATE TO  
LOCALLY FRESH NW WINDS ARE EXPECTED TO PULSE IN THE GULF OF  
CALIFORNIA AND IN THE BAYS OFFSHORE OF BAJA CALIFORNIA THROUGH  
SUN. OTHERWISE, PREVAILING HIGH PRESSURE OVER THE EASTERN PACIFIC  
WILL SUPPORT GENTLE TO MODERATE NW WINDS AND SLIGHT TO MODERATE  
SEAS OVER THE REMAINDER OF THE WATERS THROUGH THE MIDDLE OF NEXT  
WEEK.  
 
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,  
AND WITHIN 750 NM OF ECUADOR...  
 
FRESH TO LOCALLY STRONG E WINDS AND SEAS TO 7 FT PREVAIL IN THE  
GULF OF PAPAGAYO AS LOW PRESSURE RESIDES OVER NORTHWESTERN  
COLOMBIA. MODERATE E TO NE WINDS ARE OCCURRING WELL OFFSHORE OF  
EL SALVADOR. ELSEWHERE, MODERATE TO LOCALLY FRESH N WINDS ARE  
PULSING IN THE GULF OF PANAMA. OTHERWISE, SOUTH OF THE MONSOON  
TROUGH, GENTLE TO LOCALLY MODERATE S WINDS AND MODERATE SEAS IN S  
SWELL PREVAIL. SCATTERED MODERATE TO STRONG CONVECTION IS  
PUSHING OFFSHORE OF WESTERN COLOMBIA, AND STRONG WINDS AND ROUGH  
SEAS ARE POSSIBLE NEAR SHOWERS AND THUNDERSTORMS.  
 
FOR THE FORECAST, FRESH TO STRONG E WINDS AND LOCALLY ROUGH SEAS  
ARE EXPECTED TO PULSE IN THE GULF OF PAPAGAYO THROUGH TUE  
MORNING, AND OCCASIONAL MODERATE TO FRESH WINDS ARE EXPECTED IN  
THE REGION THEREAFTER. MODERATE TO LOCALLY FRESH WINDS WILL  
EXTEND THROUGH THE FAR OFFSHORE WATERS OF EL SALVADOR AND  
GUATEMALA INTO EARLY NEXT WEEK. ELSEWHERE, WINDS WILL PULSE TO  
MODERATE TO FRESH SPEEDS IN THE GULF OF PANAMA THROUGH SUN  
MORNING, DECREASING TO LIGHT TO GENTLE SPEEDS THEREAFTER. LOOKING  
AHEAD, A LONG-PERIOD SOUTHERN HEMISPHERE SWELL WILL SUPPORT  
ROUGH SEAS IN THE WATERS OFFSHORE OF ECUADOR BY LATE NEXT WEEK.  
   
..REMAINDER OF THE AREA.
 
 
RIDGING EXTENDS THROUGH MUCH OF THE EASTERN PACIFIC WATERS,  
EXTENDING SOUTHWARD FROM A 1041 MB HIGH CENTERED NEAR 44N147W.  
MODERATE TO FRESH NE WINDS AND SEAS OF 6 TO 8 FT ARE OCCURRING  
FROM 05N TO 20W WEST OF 110W. FARTHER NORTH, GENTLE TO LOCALLY  
MODERATE N TO NE WINDS ARE NOTED, WITH SEAS OF 5 TO 7 FT, AS  
OBSERVED BY SOFAR BUOY DATA. SOUTH OF THE ITCZ AND MONSOON  
TROUGH, GENTLE TO MODERATE S TO E WINDS AND SEAS OF 5 TO 7 FT IN  
S SWELL PREVAIL.  
 
FOR THE FORECAST, MODERATE TO FRESH WINDS WILL OCCUR THROUGH THE  
MIDDLE OF NEXT WEEK FROM 05N TO 20N WEST OF 115W, AS RIDGING  
CONTINUES TO DOMINATE THE EASTERN PACIFIC. SHORT-PERIOD, WIND-  
GENERATED E SWELL WILL PROMOTE ROUGH SEAS IN THIS REGION. FARTHER  
NORTH, GENTLE TO MODERATE N TO E WINDS AND MODERATE SEAS WILL  
PREVAIL. N SWELL TO 8 FT WILL APPROACH THE NORTHERN WATERS SUN  
INTO EARLY NEXT WEEK BEFORE RETREATING. LOOKING AHEAD, A LONG-  
PERIOD SOUTHERN HEMISPHERE SWELL WILL PROMOTE ROUGH SEAS SOUTH OF  
05N LATE NEXT WEEK.  
 

 
ADAMS  
 
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