494  
AXPZ20 KNHC 201603  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1605 UTC SAT JUN 20 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 1200 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH  
1500 UTC.  
   
..TROPICAL WAVES
 
 
A TROPICAL WAVE IS ALONG 91W, SOUTH OF 16N, MOVING WEST AT 5 KT.  
SCATTERED MODERATE CONVECTION IS ACTIVE FROM 03N TO 12N BETWEEN  
87W AND 92W.  
 
A TROPICAL WAVE IS ALONG 98W, SOUTH OF 15N, MOVING WEST AT 5 KT.  
SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS OBSERVED  
FROM 05N TO 13N AND BETWEEN 96W AND 102W.  
 
A TROPICAL WAVE IS ALONG 118W, SOUTH OF 18N, MOVING WEST AT 5 TO  
10 KT. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS  
PRESENT FROM 05N TO 10N AND BETWEEN 115W AND 120W.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
THE MONSOON TROUGH EXTENDS FROM 10N85W TO 13N105W TO 07N130W. THE  
ITCZ EXTENDS FROM 07N130W TO BEYOND 06N140W. IN ADDITION TO THE  
CONVECTION NEAR THE TROPICAL WAVES DESCRIBED IN THE SECTION  
ABOVE, SCATTERED MODERATE CONVECTION IS ACTIVE FROM 13N TO 16N  
BETWEEN 102W AND 109W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
 
 
A MODERATE SUBTROPICAL RIDGE PREVAILS ACROSS THE MEXICAN  
OFFSHORE WATERS NORTH OF 20N. AN OVERNIGHT SCATTEROMETER  
SATELLITE PASS SHOWED GENTLE TO MODERATE BREEZES ACROSS THE  
REGION, EXCEPT FOR LOCALLY FRESH WINDS OFF CABO SAN LUCAS AND  
NEAR PUNTA EUGENIA ALONG BAJA CALIFORNIA. SEAS ARE 5-7 FT IN NW  
SWELL OFF BAJA CALIFORNIA NORTH OF CABO SAN LAZARO, AND 3-5 FT  
ELSEWHERE, EXCEPT FOR 1-3 FT IN THE GULF OF CALIFORNIA.  
 
FOR THE FORECAST, A RIDGE WILL PERSIST ACROSS THE OFFSHORE  
FORECAST WATERS OF BAJA CALIFORNIA THROUGH THE WEEKEND PROMOTING  
GENTLE TO MODERATE NORTHERLY WINDS, EXCEPT FOR LOCALLY FRESH  
SPEEDS PULSING AT NIGHT. LOOKING AHEAD, A SURFACE TROUGH MOVING  
ACROSS THE BAY OF CAMPECHE WILL FORCE FRESH TO STRONG NORTHERLY  
GAP WINDS IN THE GULF OF TEHUANTEPEC LATE TUE NIGHT INTO WED  
NIGHT, WITH SEAS BUILDING TO 8 OR 9 FT BY WED NIGHT.  
 
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,  
AND WITHIN 750 NM OF ECUADOR...  
 
THE SUBTROPICAL RIDGE CENTERED WELL NORTH OF THE AREA SUPPORTS  
MODERATE TO FRESH EASTERLY TRADE WINDS AND MODERATE SEAS ACROSS  
THE GULF OF PAPAGAYO REGION, EXTENDING DOWNSTREAM TO 90W. FARTHER  
SOUTH, MODERATE SOUTHERLY WINDS AND MODERATE SEAS ARE OCCURRING  
SOUTH OF 02S. ELSEWHERE, LIGHT TO GENTLE WINDS AND SLIGHT TO  
MODERATE SEAS PREVAIL.  
 
FOR THE FORECAST, MODERATE TO FRESH EASTERLY TRADE WINDS AND  
MODERATE SEAS ARE EXPECTED IN THE PAPAGAYO REGION INTO EARLY NEXT  
WEEK. WINDS WILL FRESHEN TO STRONG SPEEDS STARTING LATE MON WITH  
SEAS BUILDING TO 8 OR 9 FT BY LATE TUE. THE GAP WINDS IN THE GULF  
OF TEHUANTEPEC WILL PRODUCE SEAS TO 8 FT IN THE FAR OFFSHORE  
WATERS OF GUATEMALA BY MIDWEEK. MEANWHILE, MAINLY MODERATE  
SOUTHERLY WINDS AND MODERATE SEAS WILL PREVAIL ACROSS THE  
OFFSHORE WATERS BETWEEN ECUADOR AND THE GALAPAGOS ISLANDS THROUGH  
EARLY NEXT WEEK.  
   
..REMAINDER OF THE AREA
 
 
A MODERATE SUBTROPICAL RIDGE EXTENDS ACROSS THE WATERS NORTH OF  
20N. MODERATE NE WINDS AND MODERATE SEAS ARE OCCURRING FROM 08N  
TO 22N AND WEST OF 125W. IN THE MEANTIME, MODERATE SE WINDS AND A  
CROSS EQUATORIAL SWELL PRODUCING SEAS OF 6-8 FT ARE NOTED SOUTH  
OF 05N AND EAST OF 120W. ELSEWHERE, LIGHT TO GENTLE WINDS AND  
MODERATE SEAS ARE PREVALENT.  
 
FOR THE FORECAST, ADDITIONAL PULSES OF SW SWELL WILL CONTINUE TO  
PROPAGATE ACROSS THE FORECAST WATERS E OF 120W GENERATING MODERATE  
TO LOCALLY ROUGH SEAS. OTHERWISE, LITTLE CHANGES ARE EXPECTED IN  
WINDS AND SEAS THROUGH THE WEEKEND AND INTO EARLY NEXT WEEK AS A  
RIDGE REMAINS IN CONTROL OF THE WEATHER PATTERN ACROSS THE AREA.  
TROPICAL CYCLONE FORMATION IS NOT EXPECTED DURING THE NEXT 7 DAYS.  
 

 
CHRISTENSEN  
 
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