634  
AXPZ20 KNHC 221550  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1605 UTC MON JUN 22 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  
1530 UTC.  
   
..TROPICAL WAVES  
 
A TROPICAL WAVE IS ALONG 91W, SOUTH OF 16N, MOVING WESTWARD AT  
15-20 KT. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS  
PRESENT FROM 03N TO 13N BETWEEN 86W AND 93W.  
 
A TROPICAL WAVE IS ALONG 98W, SOUTH OF 15N, DRIFTING WESTWARD AT  
5-10 KT. NO SIGNIFICANT CONVECTION IS NOTED WITH THE TROPICAL  
WAVE AT THIS TIME.  
 
A TROPICAL WAVE IS ALONG 107W, SOUTH OF 17N, MOVING WESTWARD AT  
5-10 KT. SCATTERED MODERATE AND ISOLATED STRONG CONVECTION IS  
OBSERVED FROM 08N TO 15N BETWEEN 103W AND 109W.  
 
A TROPICAL WAVE IS ALONG 128W, SOUTH OF 17N, MOVING WESTWARD AT  
5-10 KT. NO SIGNIFICANT CONVECTION IS EVIDENT NEAR THIS WAVE.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
THE MONSOON TROUGH EXTENDS FROM 09N84W ALONG THE COAST OF COSTA  
RICA TO 12N98W. THE MONSOON TROUGH REFORMS AT 11N111W TO 09N130W,  
WHERE IT TRANSITIONS TO THE ITCZ. THE ITCZ EXTENDS BEYOND  
09N140W. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS  
PRESENT FROM 03N TO 13N BETWEEN 86W AND 93W, FROM 08N TO 15N  
BETWEEN 103W AND 109W, FROM 10N-14N BETWEEN 112W-117W, FROM  
04N-10N WEST OF 127W, AND NORTH OF 01N EAST OF 83W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO  
 
MODERATE TO FRESH NW WINDS ARE ACROSS THE BAJA CALIFORNIA  
OFFSHORE WATERS ALONG WITH 5-6 FT SEAS. THE STRONGEST WINDS ARE  
N OF CABO SAN LAZARO. IN THE SOUTHERN GULF OF CALIFORNIA, WINDS  
ARE GENTLE TO MODERATE FROM THE SE AND SEAS ARE SLIGHT. ELSEWHERE,  
LIGHT TO GENTLE WINDS AND SLIGHT TO MODERATE SEAS PREVAIL.  
 
FOR THE FORECAST, SURFACE TROUGHING OVER THE BAJA CALIFORNIA  
PENINSULA AND THE SW UNITED STATES IS PROMOTING MODERATE TO FRESH  
SE WINDS OVER THE GULF OF CALIFORNIA THROUGH TOMORROW BEFORE  
DIMINISHING. LOWERING PRESSURE WELL SOUTH OF SE MEXICO WILL HELP  
INDUCE A GULF OF TEHUANTEPEC GAP WIND EVENT FROM TUE NIGHT  
THROUGH FRI. THESE N TO NE WINDS SHOULD PEAK AT STRONG TO NEAR  
GALE ON WED AND WED NIGHT. ELSEWHERE, WINDS AND SEAS ACROSS THE  
MEXICAN OFFSHORES SHOULD BE QUIESCENT.  
 
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,  
AND WITHIN 750 NM OF ECUADOR...  
 
MODERATE TO FRESH NE TO E GAP WINDS AND SEAS TO 5 FT ARE EVIDENT  
ACROSS THE GULF OF PAPAGAYO REGION, EXTENDING DOWNSTREAM TO 90W.  
FARTHER SOUTH, GENTLE TO MODERATE SOUTHERLY WINDS AND MODERATE  
SEAS ARE OCCURRING BETWEEN ECUADOR AND THE GALAPAGOS ISLANDS.  
ELSEWHERE, LIGHT TO GENTLE WINDS AND SLIGHT TO MODERATE SEAS  
PREVAIL.  
 
FOR THE FORECAST, LOWERING PRESSURE WELL SOUTH OF SE MEXICO AND  
CENTRAL AMERICA WILL HELP INDUCE A GULF OF PAPAGAYO REGION GAP  
WIND EVENT BEGINNING TONIGHT, LASTING FOR THE NEXT SEVERAL DAYS.  
THESE NE WINDS SHOULD PEAK AT STRONG FROM TUE THROUGH THU.  
ELSEWHERE WINDS SHOULD REMAIN QUIESCENT THROUGH THE END OF THE  
WEEK. LARGE S TO SW SWELL SHOULD REACH THE EQUATORIAL WATERS WED  
THROUGH THE END OF THE WEEK.  
   
..REMAINDER OF THE AREA  
 
THE SUBTROPICAL RIDGE CENTERED WELL NW OF OUR WATERS EXTENDS  
ACROSS THE EASTERN PACIFIC WATERS NORTH OF 20N. GENTLE TO  
MODERATE NE TO E WINDS AND MODERATE SEAS ARE FOUND FROM 10N TO  
20N WEST OF 115W. FARTHER SOUTH, LONG PERIOD SW SWELL WITH WAVE  
HEIGHTS OF 7-9 FT ARE MOVING INTO THE WATERS SOUTH OF 03N  
BETWEEN 101W AND 120W. ELSEWHERE, MODERATE OR WEAKER WINDS AND  
MODERATE SEAS PREVAIL.  
 
FOR THE FORECAST, ADDITIONAL PULSES OF SW SWELL WILL CONTINUE TO  
PROPAGATE ACROSS THE FORECAST WATERS EAST OF 125W GENERATING  
MODERATE TO LOCALLY ROUGH SEAS. OTHERWISE, LITTLE CHANGES ARE  
EXPECTED IN WINDS AND SEAS THROUGH EARLY NEXT WEEK AS A RIDGE  
REMAINS IN CONTROL OF THE WEATHER PATTERN ACROSS THE AREA.  
A TROPICAL WAVE AT 107W IS FORECAST TO MOVE WESTWARD AT 10 TO 15  
KT ACROSS THE CENTRAL AND WESTERN PORTION OF THE EAST PACIFIC  
BASIN, AND SOME SLOW DEVELOPMENT IS POSSIBLE DURING THE MIDDLE TO  
LATTER PORTIONS OF THE WEEK. LOOKING AHEAD, A LOW PRESSURE  
SYSTEM IS EXPECTED TO FORM LATE THIS WEEK SEVERAL HUNDRED MILES  
OFFSHORE OF THE COAST OF SOUTHWESTERN MEXICO. SOME SLOW  
DEVELOPMENT OF THIS SYSTEM IS POSSIBLE AFTER THAT TIME WHILE IT  
MOVES WEST-NORTHWESTWARD AT 10 TO 15 KT.  
 
 
LANDSEA/RAMOS  
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