887  
FXUS64 KBRO 040513 AAA  
AFDBRO  
 
AREA FORECAST DISCUSSION...UPDATED  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
1213 AM CDT SAT OCT 4 2025  
   
..NEW AVIATION
 
 
   
KEY MESSAGES
 
 
UPDATED AT 1211 AM CDT SAT OCT 4 2025  
 
- LIFE-THREATENING RIP CURRENTS ARE EXPECTED AT LOCAL BEACHES  
THIS WEEKEND.  
 
- RECORD HIGH TEMPERATURES ARE FORECAST FOR MFE ON MONDAY.  
 
- ISOLATED TO SCATTERED SHOWERS AND THUNDERSTORMS ARE EXPECTED  
EACH DAY, INCREASING IN COVERAGE MID TO LATE NEXT WEEK.  
 

 
   
DISCUSSION
 
 
ISSUED AT 1045 PM CDT FRI OCT 3 2025  
 
WEAK MID-LEVEL LOW PRESSURE GRADUALLY MEANDERS SOUTHWESTWARD  
ACROSS THE GULF THIS WEEKEND INTO LATE NEXT WEEK AS THE NEXT 500MB  
RIDGE BUILDS ACROSS TEXAS. ISOLATED SHOWERS AND THUNDERSTORMS ARE  
EXPECTED TO DEVELOP OFFSHORE TOWARDS THE COAST EACH NIGHT AND  
INLAND WITH THE SEA BREEZE EACH AFTERNOON THROUGH MONDAY. HIGHER  
RAIN CHANCES ARRIVE WITH BETTER MOISTURE AND THE APPROACH OF LOWER  
PRESSURE INTO THE SOUTHWESTERN GULF TUESDAY THROUGH FRIDAY, STILL  
MAINLY OFFSHORE TO THE COAST INTO THE MORNING AND INLAND WITH THE  
SEA BREEZE EACH AFTERNOON, REACHING THE BRUSH COUNTRY EACH  
EVENING.  
 
SEASONAL TEMPERATURES ARE GENERALLY EXPECTED THROUGH THE PERIOD,  
WARMING A COUPLE OF DEGREES ABOVE NORMAL SUNDAY INTO TUESDAY, EVEN  
POTENTIALLY MAKING A RUN AT RECORD HIGHS ON MONDAY. WITH THE  
INCREASED HUMIDITY, HEAT RISK VARIES FROM MINOR (LEVEL 1 OF 4) TO  
MODERATE (LEVEL 2 OF 4), MAINLY ACROSS THE RGV.  
 
LIFE-THREATENING RIP CURRENTS ARE EXPECTED ALONG THE LOWER TEXAS  
COAST THIS WEEKEND, WITH AN INCREASING SWELL AND PERIOD ALONG THE  
WESTERN GULF. LONG PERIOD SWELL CONTINUES INTO EARLY NEXT WEEK  
LEADING INTO THE NEXT FULL MOON AND HIGHER ASTRONOMICAL TIDES,  
WHICH COULD NARROW BEACHES NEAR HIGH TIDE CYCLES.  
 

 
   
AVIATION
 
 
(06Z TAFS)  
ISSUED AT 1211 AM CDT SAT OCT 4 2025  
 
VFR CONDITIONS ARE EXPECTED FOR THE DURATION OF THE THE TAF CYCLE  
AT ALL TAF SITES. GENERALLY LIGHT NORTHEASTERLY TO EASTERLY WINDS  
TO PREVAIL OVER THE REGION FOR THE PERIOD AS WELL. SOME SHOWERS  
AND THUNDERSTORMS ARE POSSIBLE AROUND SUNRISE, BUT CONFIDENCE IS  
NOT HIGH ENOUGH TO INCLUDE IN THE TAF PACKAGE AT THIS TIME.  
 

 
   
MARINE
 
 
ISSUED AT 1045 PM CDT FRI OCT 3 2025  
 
A LONG PERIOD SWELL HAS REACHED THE OFFSHORE WATERS AND EXPECTED  
TO CREATE CHOPPY CONDITIONS INTO EARLY NEXT WEEK ACROSS COASTAL  
AND OFFSHORE WATERS WITH GENERALLY LOW TO MODERATE SEAS. THE  
CHANCE OF SHOWERS AND THUNDERSTORMS PERSISTS THROUGH THE FORECAST  
PERIOD, ESPECIALLY OFFSHORE, AS WEAK MID-LEVEL LOW PRESSURE SLOWLY  
WORKS INTO THE SOUTHWESTERN GULF. WATERSPOUTS MAY BE POSSIBLE NEAR  
ANY SHOWERS OR THUNDERSTORMS THIS WEEKEND AND NEXT WEEK,  
ESPECIALLY OFFSHORE.  
 

 
   
CLIMATE
 
 
ISSUED AT 1045 PM CDT FRI OCT 3 2025  
 
RECORD HIGH TEMPERATURES MAY BE APPROACHED MONDAY AFTERNOON WHERE  
SUNSHINE AND PEAK HEATING CAN RUN UNABATED TO ANY ISOLATED SEA  
BREEZE CONVECTION, ESPECIALLY FURTHER INTO THE VALLEY AT MFE. THE  
CURRENT RECORD HIGH TEMPERATURE FOR MFE ON OCTOBER 6 IS 99 DEGREES  
FROM 2016, WHICH IS ALSO THE CURRENT FORECAST. THERE IS A  
THINNING 2 DEGREE SPREAD FOR BRO ON MONDAY, WITH FORECAST HIGHS OF  
94 AND A 125 YEAR RECORD OF 96 LOOMING FROM 1900. HRL WILL ALSO  
BE IN THE MIX MONDAY WITH A RECENT RECORD OF 96 FROM 2016 AND A  
CURRENT FORECAST OF 94 DEGREES.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
BROWNSVILLE 89 75 92 75 / 20 10 20 10  
HARLINGEN 91 70 92 72 / 20 10 20 10  
MCALLEN 94 74 97 75 / 10 0 10 0  
RIO GRANDE CITY 95 70 97 72 / 10 0 10 0  
SOUTH PADRE ISLAND 86 79 86 80 / 20 10 10 10  
BAYVIEW/PORT ISABEL 87 73 89 74 / 20 10 20 10  
 

 
   
BRO WATCHES/WARNINGS/ADVISORIES
 
 
TX...NONE.  
GM...NONE.  

 
 

 
 
SHORT TERM...56  
LONG TERM....56  
AVIATION...64-KATZ  
 
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