366  
AXPZ20 KNHC 201953  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
2205 UTC FRI MAR 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 1800 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH  
1930 UTC.  
   
..SPECIAL FEATURES  
 
GULF OF TEHUANTEPEC GALE WARNING: THE PRESSURE GRADIENT BETWEEN  
HIGH PRESSURE ACROSS EASTERN MEXICO AND THE EQUATORIAL TROUGH IS  
SUPPORTING GALE-FORCE N-NE WINDS IN THE GULF OF TEHUANTEPEC.  
SEAS ARE 10-12 FT ACROSS THIS REGION. THE GALE FORCE WINDS ARE  
FORECAST TO CONTINUE INTO EARLY SAT BEFORE DIMINISHING.  
 
PLEASE READ THE LATEST HIGH SEAS FORECAST ISSUED BY THE NATIONAL  
HURRICANE CENTER AT WEBSITE -  
HTTPS://WWW.NHC.NOAA.GOV/TEXT/MIAHSFEP2.SHTML FOR MORE  
INFORMATION.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH  
 
A SURFACE TROUGH EXTENDS FROM 08N77W TO 05N90W. THE ITCZ EXTENDS  
FROM 05N90W TO 01N140W. SCATTERED MODERATE CONVECTION IS NOTED  
FROM 05N TO 08N BETWEEN 115W AND 127W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO  
 
PLEASE SEE SPECIAL FEATURES ABOVE FOR INFORMATION ON A GALE  
WARNING IN THE GULF OF TEHUANTEPEC.  
 
ASIDE FROM THE GULF OF TEHUANTEPEC, A WEAK PRESSURE GRADIENT IS  
GENERATING LIGHT TO GENTLE WINDS, EXCEPT LOCALLY MODERATE OFF  
CABO SAN LUCAS. MODERATE SEAS PREVAIL OVER THE OPEN WATERS, WITH  
SLIGHT SEAS IN THE GULF OF CALIFORNIA.  
 
FOR THE FORECAST, ASIDE FROM THE GULF OF TEHUANTEPEC GALE  
WARNING, MODERATE TO FRESH NW WINDS WILL DOMINATE OFFSHORE BAJA  
CALIFORNIA, WITH LIGHT TO GENTLE WINDS ELSEWHERE. MODERATE SEAS  
WILL GENERALLY PREVAIL, WITH SLIGHT SEAS IN THE GULF OF  
CALIFORNIA. LONG PERIOD N SWELL WILL ARRIVE SUN OFFSHORE BAJA  
CALIFORNIA NORTE, AND THIS MAY LEAD TO ROUGH SEAS THERE SUN NIGHT  
INTO EARLY NEXT WEEK.  
 
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,  
AND WITHIN 750 NM OF ECUADOR...  
 
MODERATE GAP WINDS ARE ONGOING IN THE GULF OF PAPAGAYO AND GULF  
OF PANAMA, WITH LIGHT TO GENTLE WINDS ELSEWHERE. SEAS ARE 3 TO 5  
FT, EXCEPT FOR 6 TO 8 FT SEAS WILL OFFSHORE GUATEMALA DUE TO  
GALE-FORCE GAP WINDS N OF THE REGION IN THE GULF OF TEHUANTEPEC.  
 
FOR THE FORECAST, LARGE N SWELL GENERATED BY THE GALE-FORCE GAP  
WINDS IN THE GULF OF TEHUANTEPEC WILL IMPACT THE OFFSHORE WATERS  
OF GUATEMALA INTO SAT. FRESH TO STRONG WINDS WILL PULSE NIGHTLY  
IN THE GULF OF PAPAGAYO. MODERATE TO LOCALLY FRESH WINDS WILL  
PULSE NIGHTLY IN THE GULF OF PANAMA. GENTLE BREEZES AND MODERATE  
SEAS WILL PREVAIL ELSEWHERE.  
   
..REMAINDER OF THE AREA  
 
THE PRESSURE GRADIENT BETWEEN HIGH PRESSURE CENTERED N OF THE  
AREA AND THE ITCZ IS LEADING TO MODERATE TRADES FROM THE EQUATOR  
TO 15N, WITH GENTLE TRADES TO THE S. DOMINATED BY THE RIDGE,  
WATERS N OF 15Z ARE EXPERIENCING MAINLY GENTLE ANTICYCLONIC  
WINDS. SEAS THROUGH THE BASIN ARE MAINLY 4 TO 6 FT, EXCEPT FOR  
SOME LOCALLY ROUGH SEAS N AND E OF 10N99W, WHERE SWELL FROM GALES  
IN THE GULF OF TEHUANTEPEC ARE PROPAGATING.  
 
FOR THE FORECAST, MODERATE OR WEAKER WINDS AND MODERATE SEAS  
WILL GENERALLY PREVAIL ACROSS THE REGION INTO THE START OF NEXT  
WEEK. N SWELL WILL BUILD JUST S OF 30N FROM OFF BAJA CALIFORNIA  
NORTE SUN, LEADING TO ROUGH SEAS INTO MON.  
 
 
KONARIK  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab TPC Page
Main Text Page