429  
AXPZ20 KNHC 102259 CCA  
TWDEP  
 
TROPICAL WEATHER DISCUSSION...CORRECTED  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2205 UTC SUN MAY 10 2026  
 
CORRECTED OFFSHORE WATERS WITHIN 250 NM OF MEXICO SECTION  
 
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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH  
2145 UTC.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
THE MONSOON TROUGH AXIS EXTENDS FROM LOW PRESSURE IN NORTHWEST  
COLOMBIA SOUTHWESTWARD TO 07N78W TO 06N82W TO 07N90W TO 09N100W  
TO 08N110W TO 07N118W TO LOW PRESSURE NEAR 08N125W 1011 MB TO  
07N130W, WHERE IT TRANSITIONS TO THE ITCZ TO LOW PRESSURE NEAR  
07N135W 1011 MB AND TO 06N140W. NUMEROUS MODERATE TO ISOLATED  
STRONG CONVECTION IS FROM 03N TO 07N BETWEEN 78W-83W. SCATTERED  
MODERATE TO ISOLATED STRONG CONVECTION IS SEEN FROM 03N TO 08N  
BETWEEN 83W-88W. SCATTERED MODERATE CONVECTION IS WITHIN 180 NM  
SOUTH OF THE TROUGH BETWEEN 88W-90W, WITHIN 120 NM SOUTH OF THE  
TROUGH BETWEEN 91W-94W, AND WITHIN 60 NM NORTH OF THE ITCZ  
BETWEEN 122W-126W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
 
CORRECTED  
 
GENTLE TO MODERATE NORTHWEST TO NORTH WINDS CONTINUE ACROSS THE  
WATERS OF BAJA CALIFORNIA PER LATEST SCATTEROMETER SATELLITE DATA  
DUE TO THE PRESSURE GRADIENT BETWEEN A BROAD RIDGE WEST OF THE AREA  
AND RELATIVELY LOWER PRESSURE IN THE BAJA CALIFORNIA REGION. SEAS  
WITH THESE WINDS ARE MOSTLY 5 TO 7 FT IN NORTHWEST SWELL, EXCEPT TO  
8 FT BETWEEN 30N AND PUNTA EUGENIA. LIGHT TO GENTLE NORTHERLY WINDS  
PREVAIL FROM BAJA SUR AND CABO SAN LUCAS SOUTHWARD BEYOND THE  
REVILLAGIGEDO ISLANDS AND CABO CORRIENTES TO NEAR 17N, WHERE SEAS  
ARE 5 TO 6 FT PRIMARILY IN LONG-PERIOD SOUTHWEST SWELL. WINDS INSIDE  
THE GULF OF CALIFORNIA ARE GENERALLY AT GENTLE SPEEDS, AT TIMES  
SOUTH TO SOUTHWEST IN DIRECTION IN THE CENTRAL AND SOUTHERN PORTIONS  
AND MOSTLY VARIABLE IN DIRECTION IN THE NORTHERN PORTION. SEAS ARE 1  
TO 2 FT IN THE GULF, EXCEPT FOR SLIGHTLY HIGHER SEAS OF 3 TO 5 FT IN  
LONG-PERIOD SOUTHWEST SWELL IN THE SOUTHERN PORTION. GENTLE WINDS  
PREVAIL ELSEWHERE TO THE SOUTHEAST AND SOUTH OF THE GULF AS SEEN IN  
THE MOST RECENT SCATTEROMETER SATELLITE DATA PASS. SEAS ARE OF  
MODERATE STATE PRIMARILY FROM A SOUTHWEST SWELL COMPONENT, MIXING  
WITH A NORTHWEST SWELL COMPONENT WEST OF ABOUT 109.5W.  
 
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS ARE OVER THE OUTER  
WATERS BEYOND 90 NM OF THE COAST FROM OAXACA TO GUERRERO.  
 
FOR THE FORECAST, THE BROAD RIDGE WEST OF THE AREA WILL SUPPORT  
MODERATE TO FRESH NORTHWEST TO NORTH WINDS OFF BAJA CALIFORNIA  
NORTE THIS EVENING. MOSTLY MODERATE SEAS IN NORTHWEST SWELL WILL  
CONTINUE OVER THESE WATERS THROUGH THE PERIOD, EXCEPT FOR ROUGH  
SEAS TO 8 FT OVER THE WATERS NORTH THROUGH NORTHWEST OF ISLA  
GUADALUPE TONIGHT. THE HIGH PRESSURE WILL WEAKEN AND DRIFT  
NORTHWARD MON THROUGH THE MIDDLE PART OF THE WEEK, ALLOWING FOR  
GENERALLY GENTLE TO MODERATE WINDS ACROSS THE BAJA WATERS. A NEW  
AREA OF HIGH PRESSURE WILL BUILD SOUTHEASTWARD ACROSS THE REGION  
WED NIGHT THROUGH THU NIGHT, LEADING TO MOSTLY FRESH NORTHWEST TO  
NORTH WINDS ACROSS THE BAJA WATERS. LOOKING AHEAD, FRESH TO  
STRONG GAP WINDS WILL RETURN TO TEHUANTEPEC MON NIGHT, THEN  
BECOME STRONG TO NEAR GALE-FORCE WINDS TUE THROUGH WED NIGHT AS  
THE GRADIENT TIGHTENS OVER SOUTHEASTERN MEXICO BETWEEN MODEST  
RIDGING THAT BUILDS OVER THE WESTERN GULF OF AMERICA IN THE WAKE  
OF COLD FRONT AND WEAK LOW PRESSURE OVER THE BAY OF CAMPECHE.  
 
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND  
WITHIN 750 NM OF ECUADOR...  
 
THE MOST RECENT SCATTEROMETER SATELLITE DATA INDICATES MOSTLY LIGHT  
TO GENTLE WINDS OVER THE OFFSHORE WATERS OF CENTRAL AMERICA AND  
SOUTHWARD TO ECUADOR, WITH FRESH TO STRONG EAST GAP WINDS ACROSS THE  
PAPAGAYO REGION EXTENDING TO NEAR 88W AS REVEALED IN THE  
SCATTEROMETER DATA. MOSTLY MODERATE NORTH WINDS ARE DOWNWIND FROM  
THE GULF OF PANAMA FROM 05N TO 07N AND LIGHT TO GENTLE VARIABLE  
WINDS ARE NORTH OF 04N BETWEEN THE COAST OF COLOMBIA AND 79W.  
COMBINED SEAS OVER THESE WATERS ARE 5 TO 7 FT, EXCEPT FOR HIGHER  
SEAS OF 7 TO 8 FT IN LONG-PERIOD SOUTHWEST SWELL PRESENT SOUTH 02S  
AND EAST OF ABOUT 100W TO NEAR THE COAST OF PERU AS NOTED IN RECENT  
ALTIMETER SATELLITE DATA PASSES. MOSTLY MODERATE NORTH WINDS ARE  
DOWNWIND FROM THE GULF OF PANAMA FROM 05N TO 07N BETWEEN 79W AND  
80W, AND LIGHT TO GENTLE VARIABLE WINDS ARE NORTH OF 04N BETWEEN THE  
COAST OF COLOMBIA AND 79W. COMBINED SEAS OVER THESE WATERS ARE 5 TO  
7 FT, EXCEPT FOR HIGHER SEAS OF 7 TO 8 FT IN LONG-PERIOD SOUTHWEST  
SWELL PRESENT SOUTH 02S AND EAST OF ABOUT 100W TO NEAR THE COAST OF  
PERU AS NOTED IN RECENT ALTIMETER SATELLITE DATA PASSES.  
 
SCATTERED MODERATE TO STRONG CONVECTION IS SEEN NEAR THE  
MONSOON TROUGH FROM THE SOUTHEAST GULF OF PANAMA WESTWARD ACROSS  
THE OUTER WATERS TO NEAR 90W. THIS ACTIVITY HAS CHANGED LITTLE  
DURING THE DAY.  
 
FOR THE FORECAST, FRESH TO STRONG EASTERLY GAP WINDS WILL PULSE  
TO MOSTLY FRESH TO STRONG SPEEDS AT NIGHT ACROSS THE PAPAGAYO  
REGION THROUGH THU, THEN AT FRESH SPEEDS FRI. ELSEWHERE, GENTLE  
TO MODERATE WINDS AND MODERATE SEAS IN SOUTHERLY SWELL ARE  
EXPECTED THROUGH THE WEEK.  
   
..REMAINDER OF THE AREA
 
 
HIGH PRESSURE OF 1025 MB IS CENTERED NORTH OF THE AREA NEAR 31N133W.  
THE PRESSURE GRADIENT BETWEEN THE HIGH PRESSURE AND RELATIVELY LOWER  
PRESSURE IN THE VICINITY OF THE ITCZ IS GENERALLY MAINTAINING  
MODERATE TO FRESH TRADES FROM 09N TO 24N WEST OF 126W, AND FROM 10N  
TO 17N BETWEEN 117W AND 126W. SEAS OF 6 TO 8 FT IN MIXED NORTHWEST  
AND EAST SWELL ARE OVER THIS AREA SOUTH OF 21N AND WEST OF ABOUT  
122W. GENTLE TO MODERATE WINDS ALONG WITH SEAS OF ABOUT 5 TO 7 FT  
ARE ELSEWHERE NORTH OF ABOUT 11N PER LATEST ALTIMETER SATELLITE DATA  
PASSES, AND A COUPLE OF SOFAR OCEAN SPOTTER BUOY REPORTS FROM THE  
NORTHWEST PORTION OF THE AREA. CONVECTION OVER THIS AREA IS  
ASSOCIATED TO THE MONSOON TROUGH AND ITCZ AS DESCRIBED ABOVE UNDER  
THE MONSOON TROUGH/ITCZ SECTION.  
 
FOR THE FORECAST, THE RIDGE WILL CHANGE LITTLE ACROSS THE REGION  
TONIGHT, THEN BEGIN TO WEAKEN AND DRIFT NORTHWARD MON THROUGH  
TUE. THE ASSOCIATED WEAKENED PRESSURE GRADIENT WILL SUPPORT  
MODERATE TRADES, FRESH AT TIMES, NORTH OF THE ITCZ TO ABOUT 22N  
AND WEST OF 120W SUN THROUGH EARLY NEXT WEEK, WITH SEAS OF 7 TO 8  
FT ACROSS THIS AREA. MAINLY GENTLE TO MODERATE WINDS AND  
MODERATE SEAS WILL PREVAIL ELSEWHERE DURING THE UPCOMING WEEK.  
ROUGH SEAS TO 8 FT IN SOUTHERLY SWELL WILL BEGIN TO IMPACT A  
PORTION OF THE FAR SOUTH-CENTRAL WATERS AND THE WATERS JUST SOUTH  
OF THE GALAPAGOS ISLANDS BEGINNING TONIGHT, SPREADING EASTWARD  
IN COVERAGE INTO MON BEFORE DECAYING LATER ON MON AND INTO TUE.  
 

 
AGUIRRE  
 
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