152  
AXPZ20 KNHC 230800  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1005 UTC SAT MAY 23 2026  
 
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  
0800 UTC.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 08N98W. THE ITCZ  
EXTENDS FROM 08N98W TO 10N121W TO BEYOND 07N140W. SCATTERED  
MODERATE CONVECTION IS NOTED FROM 03N TO 10N BETWEEN 83W AND  
96W. SCATTERED MODERATE AND ISOLATED STRONG CONVECTION IS NOTED  
FROM 06N TO 11N BETWEEN 130W AND 140W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
 
 
A WEAK PRESSURE GRADIENT PREVAILS ACROSS THE DISCUSSION WATERS.  
GENTLE TO MODERATE WINDS GENERALLY PREVAIL ACROSS THE AREA,  
EXCEPT LIGHT TO GENTLE SOUTH OF SOUTHERN MEXICO. SEAS ARE IN THE  
4-6 FT RANGE OVER THE OPEN WATERS, AND 2-3 FT OVER THE GULF OF  
CALIFORNIA.  
 
FOR THE FORECAST, A WEAK PRESSURE GRADIENT WILL DOMINATE THE  
REGIONAL WATERS TODAY, LEADING TO MODERATE SEAS AND MODERATE OR  
WEAKER WINDS. MODERATE TO FRESH WESTERLY GAP WINDS WILL DEVELOP  
DURING THE EVENING AND NIGHTTIME HOURS ACROSS THE CENTRAL AND  
SOUTHERN GULF OF CALIFORNIA TONIGHT. HIGH PRESSURE WILL BUILD  
MODESTLY ACROSS THE REGION FROM THE W SUN THROUGH EARLY NEXT  
WEEK. THIS WILL TIGHTEN THE PRESSURE GRADIENT ACROSS THE BAJA  
WATERS BY SUN AFTERNOON, LEADING TO MODERATE TO LOCALLY FRESH  
WINDS OFFSHORE BAJA CALIFORNIA THROUGH TUE, WITH A SLIGHT  
INCREASE IN SEAS. SEAS OFFSHORE OF BAJA ARE EXPECTED TO BUILD TO  
NEAR 8 FT BY MON NIGHT.  
 
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,  
AND WITHIN 750 NM OF ECUADOR...  
 
GENTLE TO MODERATE WINDS GENERALLY PREVAIL BETWEEN COLOMBIA AND  
THE GALAPAGOS ISLANDS, WITH LIGHT TO GENTLE WINDS ELSEWHERE  
ACROSS THE DISCUSSION WATERS. SEAS ARE 5-6 FT IN S SWELL BETWEEN  
COLOMBIA AND THE GALAPAGOS ISLANDS, AND 4-5 FT ELSEWHERE.  
 
FOR THE FORECAST, MODERATE GAP WINDS WILL PULSE TO FRESH AT  
NIGHT ACROSS THE PAPAGAYO REGION THROUGH MON NIGHT. GENTLE TO  
MODERATE WINDS WILL PREVAIL BETWEEN COLOMBIA AND THE GALAPAGOS  
ISLANDS THROUGH THE WEEKEND. LIGHT TO GENTLE WINDS ARE EXPECTED  
ELSEWHERE. FRESH SW SWELL WILL MOVE INTO THE GALAPAGOS AREA  
WATERS THIS WEEKEND, WITH SEAS BUILDING TO NEAR 8 FT ON SUN.  
EXPECT PERIODS OF ACTIVE CONVECTION S OF 10N AND E OF 90W THROUGH  
THE WEEKEND.  
   
..REMAINDER OF THE AREA
 
 
A BROAD SURFACE RIDGE EXTENDS SOUTHEASTWARD FROM HIGH PRESSURE  
CENTERED WELL N OF THE HAWAIIAN ISLANDS, THROUGH THE REVILLAGIGEDO  
ISLANDS TO NEAR 104W. THE PRESSURE GRADIENT BETWEEN HIGH  
PRESSURE RIDGE AND LOWER PRESSURE IN THE VICINITY OF THE ITCZ IS  
SUPPORTING MODERATE TO LOCALLY FRESH NE TRADE WINDS N OF THE  
ITCZ TO 20N, AND WEST OF 120W, WHERE SEAS ARE 6 TO 8 FT IN N TO  
NE SWELL. MOSTLY GENTLE TO MODERATE WINDS ARE ELSEWHERE N OF THE  
ITCZ. MODERATE WINDS ARE FOUND S OF 04N, WITH LIGHT TO GENTLE  
WINDS ELSEWHERE OVER THE DISCUSSION WATERS. SEAS OVER THESE  
WATERS ARE IN THE 5-7 FT RANGE IN MIXED SW AND N TO NE SWELL.  
SEAS ARE REACHING NEAR 8 FT ALONG THE EQUATOR TO 03N THE W OF  
105W AS SW SWELL CONTINUES TO MOVE INTO THE AREA.  
 
FOR THE FORECAST, THE AFOREMENTIONED RIDGE WILL GRADUALLY  
WEAKEN WHILE SHIFTING SOUTHWESTWARD THROUGH SUN. THIS WILL  
LOOSEN THE PRESSURE GRADIENT AND ALLOW WINDS AND SEAS NORTH OF  
THE ITCZ TO DECREASE SLIGHTLY TO BETWEEN GENTLE TO MODERATE, WITH  
SEAS OF 5 TO 7 FT, RESPECTIVELY, BY THIS WEEKEND. LITTLE CHANGE  
IN WINDS IS EXPECTED S OF THE ITCZ THROUGH THE WEEKEND. LARGE SW  
SWELL WILL IMPACT THE SOUTHERN WATERS THROUGH THE WEEKEND, AS  
SEAS TO AROUND 8 FT OCCURRING S OF 05N WILL GRADUALLY SHIFT  
EASTWARD OF 120W THROUGH EARLY NEXT WEEK.  
 

 
AL  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TPC Page Main Text Page