548  
AXPZ20 KNHC 012038  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2205 UTC FRI MAY 1 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  
1900 UTC.  
   
..SPECIAL FEATURES  
 
GULF OF TEHUANTEPEC GALE WARNING: HIGH PRESSURE BUILDING INTO NE  
MEXICO IN THE WAKE OF A COLD FRONT WILL TRIGGER NORTHERLY GAP  
WINDS IN GULF OF TEHUNATEPEC SAT NIGHT THAT WILL ACCELERATE TO  
GALE FORCE EARLY SUN MORNING, THEN CONTINUE INTO SUN NIGHT.  
WINDS DURING THE DAY SUN WILL INCREASE TO 40 KT, WITH ROUGH SEAS  
OF UP 11 FT ALSO EXPECTED. CONDITIONS WILL QUICKLY IMPROVE MON.  
 
PLEASE SEE THE LATEST HIGH SEAS FORECAST ISSUED BY THE NATIONAL  
HURRICANE CENTER AT WEBSITE -  
HTTPS://WWW.NHC.NOAA.GOV/TEXT/MIAHSFEP2.SHTML FOR MORE DETAILS.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
A SURFACE TROUGH EXTENDS FROM 07N78W TO 08N107W. THE ITCZ  
CONTINUES FROM 08N107W TO 08N134W. NUMEROUS MODERATE TO  
SCATTERED STRONG CONVECTION IS NOTED FROM 04N TO 11N BETWEEN 134W  
AND 138W. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION IS  
OCCURRING FROM FROM 05N TO 10N E OF 85W AND FROM 03N TO 09N  
BETWEEN 112W AND 127W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO  
 
SEE THE GALE WARNING SECTION ABOVE FOR INFORMATION ON GULF OF  
TEHUNATEPEC GALES THAT WILL DEVELOP EARLY SUN MORNING.  
 
A 1031 MB HIGH NEAR 37N141W BUILDING SE TOWARD THE REGION IS  
SUPPORTING MODERATE TO FRESH NW WINDS AND SEAS OF 6 TO 8 FT W OF  
BAJA CALIFORNIA, WITH GENTLE TO LOCALLY MODERATE AND 2 TO 3 FT  
SEAS IN THE GULF OF CALIFORNIA. MAINLY GENTLE WINDS WITH SEAS AT  
2 TO 4 FT PREVAIL FOR THE OFFSHORE WATERS OF CENTRAL AND  
SOUTHERN MEXICO.  
 
FOR THE FORECAST, ASIDE FROM THE GALE IN THE TEHUNATEPEC REGION,  
MODERATE TO FRESH NW WINDS OVER WATERS OFFSHORE BAJA CALIFORNIA  
WILL BECOME GENTLE TO MODERATE OVERNIGHT AS HIGH PRESSURE TO THE  
N WEAKENS. STRONG WINDS WITH ROUGH SEAS ARE EXPECTED AT THE  
NORTHERN GULF OF CALIFORNIA SUN AND SUN NIGHT.  
 
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA, AND  
WITHIN 750 NM OF ECUADOR...  
 
REFER TO THE INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
SECTION FOR INFORMATION ON CONVECTION. MAINLY GENTLE WINDS WITH  
2 TO 4 FT SEAS ARE NOTED ACROSS AREA WATERS, EXCEPT SEAS OF 4 TO  
6 FT OFFSHORE ECUADOR AND IN THE VICINITY OF THE GALAPAGOS  
ISLANDS.  
 
FOR THE FORECAST, CONVERGENT WINDS NEAR A SURFACE TROUGH WILL  
MAINTAIN STRONG THUNDERSTORMS AND LOCALLY GUSTY WINDS IN THE  
OFFSHORE WATERS OF COSTA RICA, PANAMA, AND COLOMBIA THROUGH AT  
LEAST SAT NIGHT. RESIDUAL SOUTHERLY SWELL WILL KEEP MODERATE SEAS  
NEAR THE GALAPAGOS ISLANDS INTO SAT. ELSEWHERE, QUIESCENT  
CONDITIONS SHOULD PREVAIL THROUGH EARLY NEXT WEEK.  
   
..REMAINDER OF THE AREA  
 
A SURFACE TROUGH FROM 10N134W TO 03N138W IS CAUSING SCATTERED  
MODERATE CONVECTION FROM 07N TO 11N BETWEEN 134W AND 138W. A  
BROAD SURFACE RIDGE EXTENDS SOUTHEASTWARD FROM A 1031 MB HIGH  
NEAR 37N141W TO JUST SOUTH OF THE REVILLAGIGEDO ISLANDS. IT IS  
SUSTAINING MODERATE TO FRESH NE TRADE WINDS AND SEAS OF 6 TO 9 FT  
NORTH OF THE ITCZ AND WEST OF 130W. EAST OF 130W AND NORTH OF  
THE ITCZ, MODERATE NE WINDS AND 5 TO 7 FT SEAS EXIST. SOUTH OF  
THE ITCZ,LIGHT TO GENTLE MAINLY SE WINDS WITH SEAS OF 4 TO 6 FT  
PREVAIL.  
 
A WEAK COLD FRONT WILL SPILL SOUTH OF 31N THIS WEEKEND, MAINLY  
ACTING TO WEAKEN THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE TO  
THE NORTH AND THE LOWER PRESSURE OF THE ITCZ. THIS WILL ALLOW  
TRADEWINDS TO DIMINISH TO GENTLE TO MODERATE THROUGH EARLY NEXT  
WEEK. NW SWELL WILL INDUCE SEAS OF 8 TO 10 FT W OF 135W N OF THE  
ITCZ TO 20N THROUGH THE WEEKEND.  
 
 
KONARIK  
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