250  
AXPZ20 KNHC 070932  
TWDEP  
 
TROPICAL WEATHER DISCUSSION  
NWS NATIONAL HURRICANE CENTER MIAMI FL  
1005 UTC WED MAY 07 2025  
 
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  
0915 UTC.  
   
..INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH
 
 
THE MONSOON TROUGH EXTENDS FROM NORTHWEST COLOMBIA TO 12N92W  
TO 09N105W TO 09N110W TO 08N120W TO 06N130W, WHERE IT TRANSITIONS  
TO THE ITCZ TO 05N140W. NUMEROUS MODERATE TO ISOLATED STRONG  
CONVECTION IS SEEN WITHIN 180 NM SOUTH OF THE TROUGH BETWEEN  
106W-111W. SCATTERED MODERATE TO ISOLATED STRONG CONVECTION  
IS WITHIN 120 NM SOUTH OF THE TROUGH BETWEEN 100W-105W AND  
WITHIN 120 NM EITHER SIDE OF THE TROUGH BETWEEN 111W-116W.  
SCATTERED MODERATE WITHIN 60 NM NORTH OF THE TROUGH BETWEEN  
119W-120, AND WITHIN 30 NM SOUTH OF THE TROUGH BETWEEN 116W-120W.  
   
..OFFSHORE WATERS WITHIN 250 NM OF MEXICO
 
 
WEAKENING HIGH PRESSURE REMAINS WELL TO THE NW OF THE BAJA  
CALIFORNIA WATERS, AND EXTENDS A BROAD RIDGE SOUTHEASTWARD TO  
SOUTH OF THE REVILLAGIGEDO ISLANDS NEAR 18N105W. A BROAD SURFACE  
TROUGH IS ACROSS THE WATERS OF SOUTHERN CALIFORNIA, BAJA NORTE,  
AND THE NORTHERN GULF OF CALIFORNIA. AN OVERNIGHT SCATTEROMETER  
SATELLITE PASS SHOWED A SWATH OF MODERATE TO FRESH NW WINDS ALONG  
AND JUST OFFSHORE THE SOUTHWESTERN TIP OF THE BAJA PENINSULA.  
GENTLE TO MODERATE NW TO N WINDS CONTINUE FROM THERE  
SOUTHEASTWARD ACROSS THE NEAR AND OFFSHORE WATERS OF CABO  
CORRIENTES TO CENTRAL MICHOACAN. SEAS ACROSS THIS AREA ARE 6 TO 8  
FT IN NW SWELL. ELSEWHERE ACROSS THE BAJA OFFSHORE WATERS, LIGHT  
TO GENTLE NW WINDS PREVAIL AS NOTED IN THE LATEST SCATTEROMETER  
SATELLITE DATA PASSES. SEAS ARE 6 TO 9 FT IN SUBSIDING NW SWELL.  
ACROSS THE GULF OF CALIFORNIA, GENTLE TO MODERATE SE TO S WINDS  
ARE OVER THE NORTHERN GULF, WHILE LIGHT AND VARIABLE WIND ARE  
OVER THE CENTRAL PART OF THE GULF AND GENTLE NW TO N WINDS ARE  
OVER THE SOUTHERN SECTION. SEAS IN THE GULF ARE 3 FT OR LESS  
EXCEPT FOR HIGHER SEAS OF 3 TO 5 FT IN SE SWELL ARE IN THE FAR  
SOUTHERN PART AND IN THE ENTRANCE. ELSEWHERE ACROSS THE REMAINING  
MEXICAN WATERS TO TEHUANTEPEC, WINDS ARE LIGHT TO GENTLE ALONG  
WITH SEAS OF 5 TO 7 FT IN SW SWELL.  
 
FOR THE FORECAST, A BROAD RIDGE ACROSS THE REGION WILL GENERALLY  
PERSIST THROUGH EARLY FRI BEFORE HIGH PRESSURE BUILDS MODESTLY  
ACROSS THE BAJA CALIFORNIA WATERS OVER THE UPCOMING WEEKEND.  
GENTLE TO MODERATE WINDS ACROSS THE BAJA WATERS TONIGHT WILL  
INCREASE MODESTLY THROUGH THU NIGHT. NW SWELL MOVING THROUGH THE  
AREA WATERS HAS PEAKED AND WILL BEGIN TO SUBSIDE TONIGHT THROUGH  
WED. LOOKING AHEAD, A LATE SEASON NORTHERLY GALE EVENT IS  
POSSIBLE ACROSS TEHUANTEPEC SAT NIGHT AND SUN NIGHT, WITH STRONG  
N GAP WINDS EXPECTED TO BEGIN ACROSS TEHUANTEPEC SAT MORNING.  
 
...OFFSHORE WATERS WITHIN 250 NM OF CENTRAL AMERICA, COLOMBIA,  
AND WITHIN 750 NM OF ECUADOR...  
 
THE WEATHER REMAINS UNSETTLED ACROSS THE WATERS EAST OF ABOUT  
120W. LATEST SATELLITE IMAGERY SHOWS INCREASED CLUSTERS OF  
SCATTERED TO NUMEROUS MODERATE TO STRONG THUNDERSTORMS ROUGHLY  
FROM 06N TO 11N BETWEEN 100W AND 120W. THE IMAGERY ALSO SHOWS  
SCATTERED SHOWERS ISOLATED THUNDERSTORMS ALONG AND JUST OFFSHORE  
THE COAST OF COSTA RICA AND NORTHERN PANAMA. LIGHT AND VARIABLE  
WINDS GENERALLY PREVAIL NORTH OF THE MONSOON TROUGH NEAR  
11N. LIGHT TO GENTLE E TO SE ARE CURRENTLY OCCURRING  
ACROSS THE PAPAGAYO REGION. GENTLE TO MODERATE SW TO W WINDS  
PREVAIL ACROSS MOST OF THE WATERS SOUTH OF THE TROUGH AND INTO  
THE COASTS. SEAS OF 4 TO 7 FT IN SW SWELL ARE OVER THE CENTRAL  
AMERICAN OFFSHORE WATERS, EXCEPT FOR HIGHER SEAS OF 6 TO 8 FT IN  
S TO SW SWELL SOUTH OF AND NEAR THE GALAPAGOS ISLANDS.  
 
FOR THE FORECAST, GENTLE TO LOCALLY MODERATE BREEZES WILL  
PERSIST ACROSS THE WATERS OFF CENTRAL AMERICA, COLOMBIA AND  
ECUADOR, WITH PRIMARILY MODERATE SW SWELL THROUGH THU. NEW SW  
SWELL IS EXPECTED TO ENTER THE WATERS NORTH OF THE EQUATOR AND  
BUILD ACROSS THE AREA WATERS THROUGH THU.  
   
..REMAINDER OF THE AREA.
 
 
HIGH PRESSURE JUST NORTH OF THE AREA HAS COLLAPSED TODAY, AHEAD  
OF AN APPROACHING COLD FRONT. A BROAD RIDGE STILL PERSISTS ACROSS  
THE REGIONAL WATERS W OF 105W. MODERATE TO FRESH N TO NE WINDS  
PREVAIL WEST OF 125W AND NORTH OF 09N, AND ARE GENTLE TO MODERATE  
BETWEEN 110W AND 125W. NW TO N SWELL CONTINUES TO DOMINATE THE  
WATERS N OF 22N AND E OF 134W, WHERE SEAS ARE 8 TO 10 FT AS  
INDICATED BY OVERNIGHT ALTIMETER SATELLITE DATA PASSES. SEAS  
ARE 5 TO 7 FT W OF 134W WHILE SEAS IN THE TRADE WIND ZONE FROM  
09N TO 22N ARE 6 TO 8 FT. MODERATE OR LIGHTER WINDS AND MODERATE  
SEAS ARE NOTED ELSEWHERE SOUTH OF THE ITCZ.  
 
FOR THE FORECAST, THE WEAKENING HIGH PRESSURE RIDGE ACROSS THE  
REGION W OF 110W WILL GENERALLY PERSIST THROUGH EARLY FRI. A  
WEAK COLD FRONT MAY APPROACH 30N140W LATE FRI NIGHT OR EARLY SAT.  
HIGH PRESSURE BUILDING BEHIND IT WILL OVERTAKE THE WEAKENING  
FRONT THROUGH SUN NIGHT. A TIGHTENING GRADIENT WILL ACT TO  
EXPAND THE AREAL COVERAGE OF THE FRESH TRADE WINDS NORTHWARD TO  
NEAR 26N BY SUN EVENING. SEAS WITH THESE TRADES ARE EXPECTED TO  
BE IN THE 6 TO 8 FT RANGE.  
 

 
AGUIRRE  
 
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