385  
FZUS54 KHGX 140509  
CWFHGX  
 
COASTAL WATERS FORECAST FOR TEXAS  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
1209 AM CDT SUN SEP 14 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.  
 
GMZ300-141815-  
1209 AM CDT SUN SEP 14 2025  
 
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM  
INCLUDING GALVESTON AND MATAGORDA BAYS.  
 
LIGHT ONSHORE WINDS WILL CONTINUE OVER THE NEXT FEW DAYS WITH  
SEAS BETWEEN 2 TO 4 FEET AND A CHANCE OF ISOLATED COASTAL SHOWERS  
AND STORMS POSSIBLE DURING THE AFTERNOON HOURS. THE PERSISTENT  
ONSHORE FLOW WILL LEAD TO SLIGHTLY HIGHER THAN NORMAL TIDES.  
 

 
 
GMZ335-141815-  
GALVESTON BAY-  
1209 AM CDT SUN SEP 14 2025  
   
REST OF TONIGHT
 
SOUTHWEST WINDS AROUND 5 KNOTS. BAY WATERS  
SMOOTH.    
SUNDAY
 
NORTH WINDS AROUND 5 KNOTS, BECOMING SOUTHEAST IN THE  
AFTERNOON. BAY WATERS SMOOTH. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.    
SUNDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
MONDAY
 
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
MONDAY NIGHT
 
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, BECOMING SOUTHEAST IN THE  
AFTERNOON. BAY WATERS SMOOTH.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH.    
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ330-141815-  
MATAGORDA BAY-  
1209 AM CDT SUN SEP 14 2025  
   
REST OF TONIGHT
 
SOUTHEAST WINDS AROUND 10 KNOTS. BAY WATERS  
SMOOTH TO SLIGHTLY CHOPPY.    
SUNDAY
 
SOUTHEAST WINDS AROUND 10 KNOTS, INCREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO  
SLIGHTLY CHOPPY IN THE AFTERNOON. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO  
AROUND 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY,  
DIMINISHING TO SMOOTH AFTER MIDNIGHT.    
MONDAY
 
EAST WINDS AROUND 10 KNOTS, INCREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO  
SLIGHTLY CHOPPY IN THE AFTERNOON.    
MONDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY.    
TUESDAY
 
EAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY CHOPPY.   
TUESDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
20 KNOTS, BECOMING SOUTHEAST 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 5 TO 10 KNOTS. BAY WATERS SMOOTH. A CHANCE  
OF SHOWERS.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS  
SMOOTH. A CHANCE OF SHOWERS AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ350-355-141815-  
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT  
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-  
1209 AM CDT SUN SEP 14 2025  
   
REST OF TONIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET.  
WAVE DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS.    
SUNDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS WITH A  
SLIGHT CHANCE OF THUNDERSTORMS IN THE AFTERNOON.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
WAVE DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS.    
MONDAY
 
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 5 SECONDS.    
MONDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
WAVE DETAIL: SOUTHEAST 3 FEET AT 5 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  
4 FEET.    
WEDNESDAY
 
EAST WINDS AROUND 10 KNOTS, INCREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO  
3 FEET.    
THURSDAY
 
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. A CHANCE  
OF SHOWERS IN THE AFTERNOON.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND  
2 FEET. A CHANCE OF SHOWERS AFTER MIDNIGHT.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ370-375-141815-  
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-  
1209 AM CDT SUN SEP 14 2025  
   
REST OF TONIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.  
WAVE DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS.    
SUNDAY
 
SOUTHEAST WINDS AROUND 10 KNOTS, BECOMING EAST 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL:  
SOUTHEAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF THUNDERSTORMS.  
A SLIGHT CHANCE OF SHOWERS IN THE MORNING, THEN A CHANCE OF  
SHOWERS IN THE AFTERNOON.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
WAVE DETAIL: SOUTHEAST 3 FEET AT 5 SECONDS.    
MONDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
MONDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
20 KNOTS. SEAS 3 TO 4 FEET. WAVE DETAIL: EAST 3 FEET AT  
5 SECONDS.    
TUESDAY
 
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: EAST 3 FEET AT 6 SECONDS.    
TUESDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO  
4 FEET. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
WEDNESDAY
 
EAST WINDS AROUND 10 KNOTS. SEAS AROUND 3 FEET. A  
CHANCE OF SHOWERS.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND  
3 FEET. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
THURSDAY
 
EAST WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. A  
CHANCE OF SHOWERS.    
THURSDAY NIGHT
 
EAST WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. A  
CHANCE OF SHOWERS.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
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