764  
AXPZ20 KNHC 160730  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1005 UTC MON MAR 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 0600 UTC SURFACE ANALYSIS AND SATELLITE IMAGERY THROUGH  
0730 UTC.  
   
..SPECIAL FEATURES  
 
GULF OF TEHUANTEPEC GALE WARNING: HIGH PRESSURE WILL BUILD  
ACROSS EASTERN MEXICO IN THE WAKE OF A COLD FRONT MOVING INTO  
SOUTHERN MEXICO. THE PRESSURE GRADIENT BETWEEN THIS AREA OF HIGH  
PRESSURE AND THE EQUATORIAL TROUGH WILL SUPPORT GALE FORCE GAP  
WINDS ACROSS THE TEHUANTEPEC REGION STARTING TONIGHT AND  
PERSISTING INTO MID WEEK. NEAR-GALE FORCE GAP WINDS AND ROUGH  
SEAS MAY PULSE AGAIN ACROSS THE TEHUANTEPEC REGION THU AND FRI.  
 
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 08N78W TO 04N91W. THE ITCZ EXTENDS  
FROM 04N91W TO 02S106W TO BEYOND 00N140W. SCATTERED MODERATE AND  
ISOLATED STRONG CONVECTION IS NOTED S OF 01N BETWEEN 100W AND  
120W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO  
 
PLEASE SEE SPECIAL FEATURES ABOVE FOR MORE ON AN UPCOMING GALE  
WARNING IN THE GULF OF TEHUANTEPEC.  
 
A WEAK PRESSURE GRADIENT IS GENERATING LIGHT TO GENTLE WINDS  
ACROSS MUCH OF THE FORECAST AREA, EXCEPT MODERATE WINDS OFF CABO  
SAN LUCAS AND CABO CORRIENTES. 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,  
A WEAK PRESSURE PATTERN OVER THE REGION WILL MAINTAIN GENTLE TO  
MODERATE BREEZES AND AND MODERATE SEAS OVER THE OPEN WATERS OFF  
MEXICO, WITH SLIGHT TO MODERATE SEAS IN THE GULF OF CALIFORNIA.  
 
....OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,  
AND WITHIN 750 NM OF ECUADOR...  
 
MODERATE GAP WINDS ARE OVER THE GULF OF PAPAGAYO AND IN THE GULF  
OF PANAMA. LIGHT TO GENTLE WINDS ARE NOTED ELSEWHERE. SW SWELL  
OF 6-7 FT COVERS MOST OF THE REGIONAL WATERS EXCEPT FOR IN THE  
LEE OF THE GALAPAGOS ISLANDS.  
 
FOR THE FORECAST, LARGE NE SWELL MAY IMPACT THE OFFSHORE WATERS  
OF GUATEMALA TUE THROUGH LATE WED RELATED TO GALE FORCE GAP WINDS  
OVER THE GULF OF TEHUANTEPEC. GENTLE BREEZES AND MODERATE SEAS  
WILL PREVAIL ELSEWHERE THROUGH MID WEEK.  
   
..REMAINDER OF THE AREA  
 
A WEAK PRESSURE GRADIENT ACROSS THE AREA IS SUPPORTING MOSTLY  
GENTLE TO MODERATE WINDS ACROSS THE REGION. MODERATE WAVE  
HEIGHTS IN THE 5-7 FT RANGE PREVAIL.  
 
FOR THE FORECAST, LARGE N TO NE SWELL GENERATED FROM THE UPCOMING  
GULF OF TEHUANTEPEC GALE FORCE GAP WIND EVENT WILL BRIEFLY BRING  
ROUGH SEAS TO THE FAR EASTERN PORTION OF THE DISCUSSION WATERS  
MIDWEEK, MAINLY N OF 09N AND E OF 101W. OTHERWISE, MODERATE OR  
WEAKER WINDS AND MODERATE SEAS WILL PREVAIL ACROSS THE REGION  
THROUGH THE LATTER PART OF THE WEEK.  
 
 
AL  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab TPC Page
Main Text Page