344  
FXUS64 KBRO 101727  
AFDBRO  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
1227 PM CDT FRI OCT 10 2025  
   
..NEW DISCUSSION, AVIATION, MARINE
 
 
   
KEY MESSAGES
 
 
ISSUED AT 1012 PM CDT THU OCT 9 2025  
 
* A COASTAL FLOOD ADVISORY REMAINS IN EFFECT UNTIL 7 AM CDT  
SATURDAY, AND A HIGH RISK FOR RIP CURRENTS IS IN EFFECT THROUGH  
7 PM SATURDAY.  
 
* UPPER LEVEL HIGH PRESSURE WILL BEGIN TO DOMINATE THE REGION  
TONIGHT, AND RAIN CHANCES WILL DECREASE TO NEARLY ZERO FOR THE  
WEEKEND.  
 
* HIGH TEMPERATURES WILL CONTINUE TO RUN AROUND SEASONAL (MAYBE A  
DEGREE OR TWO ABOVE), WITH SLIGHTLY BELOW SEASONAL LOWS FOR  
MOST OF DEEP SOUTH TEXAS.  
 

 
   
DISCUSSION
 
 
ISSUED AT 1215 PM CDT FRI OCT 10 2025  
 
UPPER LEVEL RIDGING IS SETTLING OVER SOUTHWEST TEXAS, WHICH WILL DRY  
OUT CONDITIONS AND REDUCE PRECIPITATION CHANCES TO LESS THAN 10  
PERCENT FOR ALL OF DEEP SOUTH TEXAS STARTING TONIGHT AND CONTINUING  
THROUGH NEXT WEEK. THE EXCEPTION IS ON TUESDAY WHEN A SHORT-LIVED,  
WEAK COASTAL TROUGH OFF THE MEXICAN COAST WILL BRING A BRIEF WAVE OF  
MOISTURE THAT COULD RESULT IN A SMALL (20% OR LESS) CHANCE OF  
ISOLATED SEA BREEZE SHOWERS TO THE EAST AND CENTRAL RIO GRANDE  
VALLEY. HOWEVER, THE UPPER LEVEL RIDGING IS EXPECTED TO HOLD STRONG  
AND CONDITIONS SHOULD BE MOSTLY PRECIPITATION FREE BY WEDNESDAY  
AGAIN, CONTINUING THROUGH NEXT FRIDAY.  
 
HIGH TEMPERATURES ARE EXPECTED TO BE AROUND SEASONAL, WITH HIGHS  
GETTING UP INTO THE LOWER 90S. AS DRIER AIR AND CLEARER SKIES  
START TO SETTLE IN TONIGHT, LOWS WILL BE IN THE MID TO UPPER 60S  
FOR A MAJORITY OF THE CWA, EXCEPTING COASTAL AREAS, WHICH WILL  
CONTINUE TO SEE LOWS IN THE 70S. THIS SHOULD CONTINUE OVER THE  
NEXT SEVERAL DAYS. WINDS ARE EXPECTED TO BE OVERALL NORTHEASTERLY  
THIS WEEKEND, VEERING TO A MORE SOUTHEASTERLY DIRECTION BY MONDAY  
OF NEXT WEEK.  
 
ONSHORE FLOW COMBINED WITH HIGHER OFFSHORE WINDSPEEDS FROM A  
TIGHTER (BUT RELAXING) PRESSURE GRADIENT WILL CONTINUE TO SUPPORT  
HEAVIER SURF AT AREA BEACHES, WITH A HIGH RISK OF RIP CURRENTS  
EXPECTED THROUGH AT LEAST TOMORROW NIGHT. IN ADDITION, A COASTAL  
FLOOD ADVISORY IS IN EFFECT UNTIL 7 AM SATURDAY MORNING, WITH THE  
BIGGEST THREAT OF MINOR COASTAL FLOODING BEING AROUND HIGH TIDE  
TONIGHT AT 10:34 PM. NUISANCE FLOODING IS EXPECTED, AND WATER  
COULD REACH THE DUNES AT SOUTH PADRE ISLAND AND OTHER AREA BEACHES.  
 

 
   
AVIATION
 
 
(18Z TAFS)  
ISSUED AT 1215 PM CDT FRI OCT 10 2025  
 
VFR CONDITIONS WITH A FEW CLOUDS AND LIGHT TO MODERATE  
NORTHEASTERLY WINDS ARE EXPECTED TODAY. THERE COULD ALSO BE SOME  
GUSTS THIS AFTERNOON, PARTICULARLY AT BRO. SOME LINGERING SHOWERS  
ARE STARTING TO CLEAR, BUT A FEW COULD TEMPORARILY REDUCE  
CONDITIONS TO MVFR FOR ANY SHOWERS THAT HAPPEN TO GO OVER AN AREA  
AIRPORT. HOWEVER, BECAUSE SHOWER ACTIVITY IS STARTING TO DIMINISH  
AND SHOULD CLEAR BY TONIGHT, CONFIDENCE WAS NOT HIGH ENOUGH TO  
INCLUDE IN THE TAF PACKAGE.  
 

 
   
MARINE
 
 
ISSUED AT 1215 PM CDT FRI OCT 10 2025  
 
SCEC CONDITIONS ARE ONGOING THIS AFTERNOON IN THE BAY AND GULF  
WATERS. THOUGH WINDS ARE OVERALL WEAKENING TO MORE FAVORABLE  
CONDITIONS DUE TO A RELAXING PRESSURE GRADIENT, SMALL CRAFT EXERCISE  
CAUTION CONDITIONS ARE STILL POSSIBLE TONIGHT AND WILL BE MONITORED  
WITH LOCAL BUOY OBSERVATIONS. HIGH PRESSURE IS EXPECTED TO CONTINUE  
TO TAKE HOLD THROUGH THE WEEKEND, WHICH WILL IMPROVE MARINE  
CONDITIONS TO MORE FAVORABLE LEVELS WITH LIGHT TO MODERATE  
NORTHEASTERLY WINDS AND WAVE HEIGHTS BETWEEN 2 AND 4 FEET.  
 

 
   
PRELIMINARY POINT TEMPS/POPS
 
 
BROWNSVILLE 90 71 89 69 / 40 0 0 0  
HARLINGEN 91 68 91 64 / 40 0 0 0  
MCALLEN 93 70 94 67 / 50 0 0 0  
RIO GRANDE CITY 93 65 93 65 / 40 0 0 0  
SOUTH PADRE ISLAND 86 78 85 77 / 30 0 0 0  
BAYVIEW/PORT ISABEL 88 72 87 69 / 40 0 0 0  
 

 
   
BRO WATCHES/WARNINGS/ADVISORIES
 
 
TX...COASTAL FLOOD ADVISORY UNTIL 7 AM CDT SATURDAY FOR TXZ451-454-  
455.  
 
HIGH RIP CURRENT RISK THROUGH SATURDAY EVENING FOR TXZ451-454-  
455.  
 
GM...NONE.  

 
 

 
 
SHORT TERM...55-MM  
LONG TERM....55-MM  
AVIATION...55-MM  
 
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