353  
FZUS54 KBRO 090034  
CWFBRO  
 
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
734 PM CDT WED OCT 8 2025  
 
LOWER TEXAS COASTAL WATERS FROM BAFFIN BAY TO THE MOUTH OF THE  
RIO GRANDE OUT 60 NM.  
 
SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST  
1/3 OF THE WAVES, ALONG WITH THE OCCASIONAL HEIGHT OF THE AVERAGE  
HIGHEST 10 PERCENT OF THE WAVES.  
 
GMZ100-091315-  
734 PM CDT WED OCT 8 2025  
   
SYNOPSIS  
THE PRESSURE GRADIENT WILL STRENGTHEN INTO THURSDAY  
RESULTING IN MODERATE NORTHEASTERLY WINDS AND BUILDING SEAS INTO  
LATE FRIDAY. LONG PERIOD SWELL IS EXPECTED TO CONTINUE INTO NEXT  
WEEKEND. EXPECT AN INCREASING CHANCE OF SHOWERS AND THUNDERSTORMS  
THROUGH THURSDAY BEFORE DIMINISHING ON FRIDAY.  
 
 
 
GMZ130-132-135-091315-  
LAGUNA MADRE FROM THE PORT OF BROWNSVILLE TO THE ARROYO COLORADO-  
LAGUNA MADRE FROM THE ARROYO COLORADO TO 5 NM NORTH OF PORT  
MANSFIELD TX-  
LAGUNA MADRE FROM 5 NM NORTH OF PORT MANSFIELD TO BAFFIN BAY TX-  
734 PM CDT WED OCT 8 2025  
   
REST OF TONIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS. A MODERATE  
CHOP ON THE BAY. A SLIGHT CHANCE OF SHOWERS.    
THURSDAY  
NORTHEAST WINDS 15 TO 20 KNOTS. CHOPPY ON THE BAY. A  
CHANCE OF SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE  
AFTERNOON.    
THURSDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP  
ON THE BAY. A CHANCE OF SHOWERS.    
FRIDAY  
NORTHEAST WINDS 15 TO 20 KNOTS. CHOPPY ON THE BAY. A  
CHANCE OF SHOWERS UNTIL LATE AFTERNOON, THEN A SLIGHT CHANCE OF  
SHOWERS LATE IN THE AFTERNOON.    
FRIDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST  
5 TO 10 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY,  
DIMINISHING TO LIGHT CHOP AFTER MIDNIGHT. A SLIGHT CHANCE OF  
SHOWERS EARLY IN THE EVENING.    
SATURDAY  
NORTHEAST WINDS 5 TO 10 KNOTS. LIGHT CHOP ON THE BAY.   
SATURDAY NIGHT  
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST  
AFTER MIDNIGHT. LIGHT CHOP ON THE BAY.    
SUNDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. LIGHT CHOP ON THE BAY.    
SUNDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. LIGHT CHOP ON THE  
BAY.    
MONDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. LIGHT CHOP ON THE BAY, INCREASING TO A  
MODERATE CHOP IN THE AFTERNOON.    
MONDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO  
5 TO 10 KNOTS AFTER MIDNIGHT. A MODERATE CHOP ON THE BAY,  
DIMINISHING TO LIGHT CHOP AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ150-155-091315-  
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-  
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-  
734 PM CDT WED OCT 8 2025  
   
REST OF TONIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO  
5 FEET. WAVE DETAIL: EAST 4 FEET AT 6 SECONDS. A SLIGHT CHANCE OF  
SHOWERS THIS EVENING, THEN A CHANCE OF SHOWERS.    
THURSDAY  
NORTHEAST WINDS 10 TO 15 KNOTS, INCREASING TO 15 TO  
20 KNOTS IN THE AFTERNOON. SEAS 4 TO 6 FEET, OCCASIONALLY TO  
8 FEET. WAVE DETAIL: EAST 5 FEET AT 7 SECONDS. A CHANCE OF  
SHOWERS. A SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.    
THURSDAY NIGHT  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO  
7 FEET, OCCASIONALLY TO 9 FEET, SUBSIDING TO 4 TO 5 FEET AFTER  
MIDNIGHT. WAVE DETAIL: EAST 5 FEET AT 7 SECONDS AND SOUTHEAST  
1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS.    
FRIDAY  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET. WAVE  
DETAIL: EAST 5 FEET AT 7 SECONDS AND SOUTH 1 FOOT AT 6 SECONDS. A  
CHANCE OF SHOWERS UNTIL LATE AFTERNOON, THEN A SLIGHT CHANCE OF  
SHOWERS LATE IN THE AFTERNOON.    
FRIDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS, BECOMING EAST  
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 3 TO 5 FEET. WAVE DETAIL: EAST  
4 FEET AT 7 SECONDS. A SLIGHT CHANCE OF SHOWERS EARLY IN THE  
EVENING.    
SATURDAY  
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: EAST 4 FEET AT 7 SECONDS.    
SATURDAY NIGHT  
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST  
AFTER MIDNIGHT. SEAS 3 TO 4 FEET.    
SUNDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET.    
SUNDAY NIGHT  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO  
4 FEET.    
MONDAY  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET.    
MONDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ170-175-091315-  
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE EXTENDING FROM  
20 TO 60 NM-  
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD EXTENDING FROM  
20 TO 60 NM-  
734 PM CDT WED OCT 8 2025  
   
..SMALL CRAFT CAUTION TONIGHT THROUGH FRIDAY AFTERNOON  
 
   
REST OF TONIGHT  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO  
5 FEET. WAVE DETAIL: EAST 5 FEET AT 7 SECONDS. A SLIGHT CHANCE OF  
SHOWERS EARLY THIS EVENING, THEN A CHANCE OF SHOWERS LATE THIS  
EVENING AND OVERNIGHT.    
THURSDAY  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET. WAVE DETAIL: EAST 5 FEET AT 7 SECONDS. A  
CHANCE OF SHOWERS.    
THURSDAY NIGHT  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO  
7 FEET, OCCASIONALLY TO 9 FEET. WAVE DETAIL: EAST 5 FEET AT  
7 SECONDS AND SOUTHEAST 1 FOOT AT 7 SECONDS. A CHANCE OF SHOWERS.   
FRIDAY  
NORTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET. WAVE DETAIL: EAST 5 FEET AT 7 SECONDS AND  
SOUTHEAST 1 FOOT AT 6 SECONDS. A CHANCE OF SHOWERS.    
FRIDAY NIGHT  
NORTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET.  
WAVE DETAIL: EAST 5 FEET AT 7 SECONDS. A CHANCE OF SHOWERS EARLY  
IN THE EVENING.    
SATURDAY  
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 5 FEET. WAVE  
DETAIL: EAST 5 FEET AT 7 SECONDS.    
SATURDAY NIGHT  
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST  
AFTER MIDNIGHT. SEAS 4 TO 5 FEET.    
SUNDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET.    
SUNDAY NIGHT  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO  
4 FEET.    
MONDAY  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET. A  
SLIGHT CHANCE OF SHOWERS LATE IN THE AFTERNOON.    
MONDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.  
A SLIGHT CHANCE OF SHOWERS.  
 
 
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