710  
AXPZ20 KNHC 162114  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2205 UTC TUE JUN 16 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH  
2000 UTC.  
   
..TROPICAL WAVES  
 
THE AXIS OF A TROPICAL WAVE IS NEAR 82W EXTENDING FROM 03N  
NORTHWARD TO ACROSS THE BORDER OF PANAMA AND COSTA RICA AND INTO  
THE SW CARIBBEAN SEA, MOVING WESTWARD AT AROUND 20 KT. NEARBY  
CONVECTION IS DESCRIBED WITH THE MONSOON TROUGH BELOW.  
 
THE AXIS OF A TROPICAL WAVE IS NOW ANALYZED NEAR 102W EXTENDING  
FROM 03N TO 17N JUST OFFSHORE SW MEXICO, BASED ON THE LATEST  
SATELLITE IMAGERY, MODEL DIAGNOSTICS, AND HOVMOLLER ANALYSIS  
CHARTS. NEARBY CONVECTION IS DESCRIBED WITH THE MONSOON TROUGH  
BELOW.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
THE MONSOON TROUGH EXTENDS FROM THE SW CARIBBEAN SEA NEAR 10N75W  
TO ACROSS COSTA RICA, REACHING FROM THE GULF OF PAPAGAYO AT  
11N86W TO 12N93W TO 09N112W. THE ITCZ EXTENDS FROM 09N112W TO  
07N118W TO 11N134W JUST TO THE E OF LOW PRESSURE, INVEST EP93  
NEAR 11N135.5W. SCATTERED MODERATE ISOLATED STRONG CONVECTION IS  
NOTED WITHIN 300 NM S-SW OF THE MONSOON TROUGH TO THE E OF 94W,  
FROM 10N TO 15N BETWEEN 94W AND 101W, AND FROM 03N TO 14.5N  
BETWEEN 94W AND 111W. SCATTERED MODERATE CONVECTION IS FROM 10N  
TO 13N BETWEEN 111W AND 116W, FROM 04N TO 09.5N BETWEEN 116W AND  
119W. SIMILAR CONVECTION IS NOTED WITHIN 240 NM OF INVEST EP93 IN  
THE NW SEMICIRCLE.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO  
 
A SURFACE TROUGH EXTENDS FROM THE NORTHERN GULF OF CALIFORNIA  
SOUTHEASTWARD ACROSS THE GULF OF CALIFORNIA TO NEAR CABO  
CORRIENTES. THE PRESSURE GRADIENT BETWEEN THE TROUGH AND SURFACE  
RIDGING TO THE WEST IS SUPPORTING MODERATE TO LOCALLY FRESH NW  
WINDS ACROSS THE BAJA PENINSULA OFFSHORES ALONG WITH MODERATE  
SEAS TO 7 FT IN S-SW SWELL. IN THE GULF OF CALIFORNIA, WINDS ARE  
GENTLE TO MODERATE FROM THE SSW AND SEAS REMAIN SLIGHT NORTH OF  
THE ENTRANCE. A WEAK PRESSURE GRADIENT ACROSS THE REMAINDER  
DISCUSSION WATERS IS SUPPORTING LIGHT TO GENTLE WINDS WITH  
MODERATE SEAS TO 6 FT IN S-SW SWELL. ACTIVE CONVECTION IS PRESENT  
FROM WELL SOUTH OF THE GULF OF TEHUANTEPEC AS DESCRIBED ABOVE.  
 
FOR THE FORECAST, GENTLE TO MODERATE WINDS WILL PREVAIL ACROSS  
THE WATERS OF BAJA CALIFORNIA, PULSING TO LOCALLY FRESH SPEEDS AT  
NIGHT. GENTLE TO OCCASIONALLY MODERATE WINDS ARE EXPECTED INSIDE  
THE GULF OF CALIFORNIA AND NEAR THE TIP OF BAJA CALIFORNIA SUR,  
REACHING TO LOCALLY FRESH SPEEDS WED INTO EARLY THU. LIGHT TO  
GENTLE WINDS WILL PREVAIL OVER THE WATERS BETWEEN CABO CORRIENTES  
AND TEHUNATEPEC. MODERATE SEAS IN MAINLY SOUTHERLY SWELL WILL  
PREVAIL THROUGH THE NEXT SEVERAL DAYS, SLIGHT IN THE GULF OF  
CALIFORNIA.  
 
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,  
AND WITHIN 750 NM OF ECUADOR...  
 
GENTLE TO MODERATE E TO SE WINDS ARE ONGOING OFFSHORE GULF OF  
PAPAGAYO ALONG WITH MODERATE SEAS. MAINLY LIGHT TO GENTLE WINDS  
UNDER A WEAK PRESSURE GRADIENT PREVAIL ACROSS THE REMAINDER OF  
THE WATERS ALONG WITH SLIGHT TO MODERATE SEAS. OTHERWISE,  
SCATTERED HEAVY SHOWERS AND TSTMS ARE ACROSS THE OFFSHORE WATERS  
FROM WESTERN COLOMBIA NORTHWESTWARD TO OFFSHORE GUATEMALA AS  
DESCRIBED WITHIN THE MONSOON TROUGH SECTION ABOVE. WINDS AND SEAS  
MAY BE HIGHER IN AND NEAR THESE AREAS OF DEEP CONVECTION.  
 
FOR THE FORECAST, GENTLE TO OCCASIONALLY MODERATE S TO SE WINDS  
AND MODERATE SEAS WILL PREVAIL ACROSS THE OFFSHORE WATERS BETWEEN  
ECUADOR AND THE GALAPAGOS ISLANDS THROUGH SUN NIGHT. MODERATE  
WINDS WILL PULSE TO FRESH IN DIURNAL OFFSHORE FLOW IN THE  
IMMEDIATE GULF OF PAPAGAYO BEGINNING FRI NIGHT. LIGHT TO GENTLE  
WINDS AND SLIGHT TO MODERATE SEAS IN SW SWELL ARE FORECAST  
ELSEWHERE.  
   
..REMAINDER OF THE AREA  
 
A 1008 MB LOW, INVEST EP93, IS CENTERED WELL EAST-SOUTHEAST OF  
THE HAWAIIAN ISLANDS NEAR 11N135.5W WITH NEARBY CONVECTION  
DESCRIBED ABOVE WITHIN THE MONSOON TROUGH SECTION ABOVE. MODERATE  
TO FRESH WINDS ARE WITHIN 240 NM NORTHERN SEMICIRCLE AND 120 NM  
SE QUADRANT OF THE LOW CENTER. MODERATE TO ROUGH SEAS TO AROUND 9  
FT ARE ALSO WITHIN THAT DISTANCE FROM THE LOW CENTER WITH THE  
HIGHEST SEAS BEING IN THE NW QUADRANT. ELSEWHERE, MODERATE OR  
WEAKER WINDS AND MODERATE SEAS PREVAIL, LOCALLY ROUGH NEAR THE  
MONSOON TROUGH E OF 105W.  
 
FOR THE FORECAST, SOME SLIGHT DEVELOPMENT OF THE LOW PRESSURE  
SYSTEM, INVEST EP93, IS STILL POSSIBLE TODAY, ALTHOUGH THE  
POSSIBILITY OF FORMATION IS DIMINISHING AS THE SYSTEM MOVES INTO  
A LESS FAVORABLE ENVIRONMENT WITH AN INCREASINGLY DRIER MID-LEVEL  
AIRMASS AND INCREASING UPPER-LEVEL WINDS. ELSEWHERE, MODERATE OR  
WEAKER WINDS, AND MODERATE SEAS WILL PREVAIL, EXCEPT SEAS  
BUILDING TO ROUGH SOUTH OF AND NEAR THE EQUATOR AND EAST OF 120W  
IN NEW SOUTHERLY SWELLS TONIGHT AND EARLY WED THROUGH THE END OF  
THE WEEK. WINDS MAY PULSE TO FRESH IN THE WEST-CENTRAL WATERS AT  
TIMES. LOOKING AHEAD, YET ANOTHER SET OF SOUTHERLY SWELL MAY  
BUILD SEAS TO ROUGH OVER THE SAME AREA DURING THE UPCOMING  
WEEKEND.  
 
 
LEWITSKY  
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