465  
FZUS54 KBRO 290826  
CWFBRO  
 
COASTAL WATERS FORECAST FOR THE LOWER TEXAS COAST  
NATIONAL WEATHER SERVICE BROWNSVILLE TX  
326 AM CDT SAT MAR 29 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.  
 
GMZ100-291915-  
326 AM CDT SAT MAR 29 2025  
   
SYNOPSIS  
A HIGH LONG PERIODS SWELL CONTINUES TO BE DIRECTED  
TOWARDS THE LOWER TEXAS COAST. THIS SWELL WILL BE SLOW TO SUBSIDE  
WITH CURRENT SMALL CRAFT ADVISORIES ALONG THE LOWER TEXAS COAST  
EXTENDED UNTIL 1 PM. SUNDAY AND EARLY NEXT WEEK A MODERATE SWELL  
AND ONSHORE FLOW IS ANTICPATED TO PERSIST. A STRENGTHENING OF THE  
PRESSURE GRADIENT BY MIDWEEK ALLOW FOR STRONGER WINDS AND  
BUILDING SEAS.  
 
 
 
GMZ130-132-135-291915-  
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-  
326 AM CDT SAT MAR 29 2025  
   
TODAY  
SOUTH WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10 TO  
15 KNOTS THIS AFTERNOON. A MODERATE CHOP ON THE BAY.    
TONIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE  
BAY.    
SUNDAY  
SOUTHEAST WINDS 10 TO 15 KNOTS. A MODERATE CHOP ON THE  
BAY.    
SUNDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS, BECOMING SOUTH  
5 TO 10 KNOTS AFTER MIDNIGHT. LIGHT CHOP ON THE BAY.    
MONDAY  
SOUTH WINDS AROUND 5 KNOTS, BECOMING EAST IN THE  
AFTERNOON. LIGHT CHOP ON THE BAY.    
MONDAY NIGHT  
EAST WINDS 5 TO 10 KNOTS. LIGHT CHOP ON THE BAY.    
TUESDAY  
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10 TO  
15 KNOTS IN THE AFTERNOON, THEN INCREASING TO 15 TO 20 KNOTS LATE  
IN THE AFTERNOON. LIGHT CHOP ON THE BAY, INCREASING TO A MODERATE  
CHOP IN THE AFTERNOON, THEN INCREASING TO CHOPPY LATE IN THE  
AFTERNOON.    
TUESDAY NIGHT  
SOUTHEAST WINDS 15 TO 20 KNOTS. CHOPPY ON THE  
BAY.    
WEDNESDAY  
SOUTH WINDS 15 TO 20 KNOTS. CHOPPY ON THE BAY.    
WEDNESDAY NIGHT  
SOUTHEAST WINDS AROUND 15 KNOTS. A MODERATE  
CHOP ON THE BAY.  
 
 
 
GMZ150-155-291915-  
GULF WATERS FROM PORT MANSFIELD TO THE RIO GRANDE OUT 20 NM-  
GULF WATERS FROM BAFFIN BAY TO PORT MANSFIELD OUT 20 NM-  
326 AM CDT SAT MAR 29 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON  
 
   
TODAY  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT  
8 SECONDS AND NORTHEAST 1 FOOT AT 8 SECONDS. PATCHY FOG EARLY  
THIS MORNING.    
TONIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET. WAVE  
DETAIL: SOUTHEAST 5 FEET AT 8 SECONDS AND NORTHEAST 1 FOOT AT  
8 SECONDS. PATCHY FOG AFTER MIDNIGHT.    
SUNDAY  
SOUTHEAST WINDS 15 TO 20 KNOTS, DIMINISHING TO 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS 4 TO 5 FEET. WAVE DETAIL:  
SOUTHEAST 5 FEET AT 8 SECONDS AND NORTHEAST 1 FOOT AT 8 SECONDS.  
PATCHY FOG UNTIL LATE AFTERNOON.    
SUNDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO  
10 KNOTS EARLY IN THE MORNING. SEAS 3 TO 5 FEET. WAVE DETAIL:  
SOUTHEAST 4 FEET AT 8 SECONDS AND NORTHEAST 1 FOOT AT 8 SECONDS.    
MONDAY  
SOUTH WINDS AROUND 5 KNOTS, BECOMING EAST IN THE  
AFTERNOON. SEAS 3 TO 4 FEET. WAVE DETAIL: EAST 3 FEET AT  
8 SECONDS.    
MONDAY NIGHT  
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: EAST 3 FEET AT 7 SECONDS AND NORTHEAST 1 FOOT AT  
8 SECONDS.    
TUESDAY  
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS 3 TO 4 FEET.    
TUESDAY NIGHT  
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO  
5 FEET.    
WEDNESDAY  
SOUTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 5 FEET.    
WEDNESDAY NIGHT  
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 4 TO  
5 FEET.  
 
 
 
GMZ170-175-291915-  
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-  
326 AM CDT SAT MAR 29 2025  
   
..SMALL CRAFT ADVISORY IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON  
 
   
TODAY  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 6 TO 8 FEET,  
OCCASIONALLY TO 10 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT  
8 SECONDS AND NORTHEAST 1 FOOT AT 8 SECONDS.    
TONIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET. WAVE DETAIL: EAST 5 FEET AT 8 SECONDS AND  
NORTHEAST 1 FOOT AT 8 SECONDS. PATCHY FOG AFTER MIDNIGHT.    
SUNDAY  
SOUTHEAST WINDS 15 TO 20 KNOTS, BECOMING SOUTH 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS 5 TO 7 FEET, OCCASIONALLY TO  
9 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT 8 SECONDS AND NORTHEAST  
1 FOOT AT 8 SECONDS. PATCHY DENSE FOG UNTIL LATE AFTERNOON.    
SUNDAY NIGHT  
SOUTH WINDS AROUND 10 KNOTS. SEAS 4 TO 5 FEET.  
WAVE DETAIL: SOUTHEAST 4 FEET AT 8 SECONDS AND NORTHEAST 1 FOOT  
AT 8 SECONDS.    
MONDAY  
SOUTH WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE  
AFTERNOON. SEAS 3 TO 5 FEET. WAVE DETAIL: EAST 4 FEET AT  
8 SECONDS AND NORTHEAST 1 FOOT AT 8 SECONDS.    
MONDAY NIGHT  
EAST WINDS 5 TO 10 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: EAST 3 FEET AT 7 SECONDS AND NORTHEAST 1 FOOT AT  
8 SECONDS.    
TUESDAY  
EAST WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST IN THE  
AFTERNOON. SEAS 3 TO 4 FEET.    
TUESDAY NIGHT  
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 4 TO  
5 FEET.    
WEDNESDAY  
SOUTH WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET.    
WEDNESDAY NIGHT  
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO  
7 FEET, OCCASIONALLY TO 9 FEET.  
 
 
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