536  
FZUS54 KHGX 160043  
CWFHGX  
 
COASTAL WATERS FORECAST FOR TEXAS  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
743 PM CDT MON SEP 15 2025  
 
UPPER TEXAS COASTAL WATERS FROM HIGH ISLAND TO THE MATAGORDA SHIP  
CHANNEL OUT 60 NAUTICAL MILES INCLUDING GALVESTON AND MATAGORDA  
BAYS.  
 
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.  
 
GMZ300-161315-  
743 PM CDT MON SEP 15 2025  
 
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM  
INCLUDING GALVESTON AND MATAGORDA BAYS.  
 
LIGHT TO OCCASIONALLY MODERATE EAST TO SOUTHEAST WINDS AND 2 TO 4  
FOOT SEAS SHOULD CONTINUE OVER THE NEXT SEVERAL DAYS. ISOLATED  
SHOWERS ARE POSSIBLE THROUGH MIDWEEK WITH GREATER COVERAGE  
EXPECTED DURING THE SECOND HALF OF THE WEEK. WATER LEVELS WILL  
RUN ABOVE NORMAL, REACHING 3.0 TO 3.3 FEET ABOVE MEAN LOWER LOW  
WATER DURING HIGH TIDE CYCLES.  
 
 
 
GMZ335-161315-  
GALVESTON BAY-  
743 PM CDT MON SEP 15 2025  
   
TONIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
TUESDAY  
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE  
AFTERNOON. BAY WATERS SMOOTH.    
TUESDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH.    
WEDNESDAY  
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
WEDNESDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH.    
THURSDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
THURSDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH.    
FRIDAY  
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
FRIDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.   
SATURDAY  
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A CHANCE  
OF SHOWERS IN THE AFTERNOON.    
SATURDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH.  
 
 
 
GMZ330-161315-  
MATAGORDA BAY-  
743 PM CDT MON SEP 15 2025  
   
TONIGHT  
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO AROUND  
10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY, DIMINISHING  
TO SMOOTH AFTER MIDNIGHT.    
TUESDAY  
NORTHEAST WINDS AROUND 10 KNOTS, BECOMING EAST 10 TO  
15 KNOTS WITH GUSTS UP TO 20 KNOTS IN THE AFTERNOON. BAY WATERS  
SMOOTH, INCREASING TO SLIGHTLY CHOPPY IN THE AFTERNOON.    
TUESDAY NIGHT  
EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
20 KNOTS, DIMINISHING TO AROUND 10 KNOTS AFTER MIDNIGHT. BAY  
WATERS SLIGHTLY CHOPPY, DIMINISHING TO SMOOTH AFTER MIDNIGHT.    
WEDNESDAY  
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
WEDNESDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO  
AROUND 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY,  
DIMINISHING TO SMOOTH AFTER MIDNIGHT.    
THURSDAY  
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST 10 TO  
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO  
SLIGHTLY CHOPPY IN THE AFTERNOON.    
THURSDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO  
AROUND 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY,  
DIMINISHING TO SMOOTH AFTER MIDNIGHT.    
FRIDAY  
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A CHANCE  
OF SHOWERS.    
FRIDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.  
A CHANCE OF SHOWERS AFTER MIDNIGHT.    
SATURDAY  
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A CHANCE  
OF SHOWERS AND THUNDERSTORMS.    
SATURDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH. A CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ350-355-161315-  
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT  
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-  
743 PM CDT MON SEP 15 2025  
   
TONIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO AROUND  
10 KNOTS LATE. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT  
6 SECONDS.    
TUESDAY  
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
TUESDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO  
3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
WEDNESDAY  
EAST WINDS AROUND 10 KNOTS, INCREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL:  
SOUTHEAST 3 FEET AT 6 SECONDS.    
WEDNESDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO  
3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
THURSDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.    
THURSDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND  
2 FEET.    
FRIDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. A CHANCE  
OF SHOWERS.    
FRIDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO  
AROUND 10 KNOTS AFTER MIDNIGHT. SEAS AROUND 2 FEET. A CHANCE OF  
SHOWERS AFTER MIDNIGHT.    
SATURDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. A  
CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.    
SATURDAY NIGHT  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND  
2 FEET. A CHANCE OF SHOWERS.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ370-375-161315-  
WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX FROM 20 TO  
60 NM-WATERS FROM HIGH ISLAND TO FREEPORT TX FROM 20 TO 60 NM-  
743 PM CDT MON SEP 15 2025  
   
TONIGHT  
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET. WAVE  
DETAIL: EAST 3 FEET AT 6 SECONDS.    
TUESDAY  
EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.  
SEAS 2 TO 4 FEET. WAVE DETAIL: EAST 3 FEET AT 6 SECONDS. A SLIGHT  
CHANCE OF SHOWERS.    
TUESDAY NIGHT  
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.  
WAVE DETAIL: EAST 3 FEET AT 6 SECONDS.    
WEDNESDAY  
EAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: EAST 3 FEET AT 6 SECONDS.    
WEDNESDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO  
3 FEET. WAVE DETAIL: EAST 3 FEET AT 6 SECONDS.    
THURSDAY  
EAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.    
THURSDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO  
3 FEET. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
FRIDAY  
EAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. A  
CHANCE OF SHOWERS.    
FRIDAY NIGHT  
EAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. A  
CHANCE OF SHOWERS.    
SATURDAY  
EAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. A  
CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.    
SATURDAY NIGHT  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 TO  
3 FEET. A CHANCE OF SHOWERS.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
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