696  
FZUS54 KHGX 110012  
CWFHGX  
 
COASTAL WATERS FORECAST FOR TEXAS  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
712 PM CDT THU JUL 10 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.  
 
GMZ300-111315-  
712 PM CDT THU JUL 10 2025  
 
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM  
INCLUDING GALVESTON AND MATAGORDA BAYS.  
 
WE WILL CONTINUE WITH THE TYPICAL DAILY PATTERN OF SHOWERS AND  
THUNDERSTORMS BEGINNING OVER THE GULF WATERS IN THE PRE-DAWN  
HOURS, THEN GRADUALLY SHIFTING TOWARDS THE IMMEDIATE COAST LATER  
IN THE MORNING, AND FARTHER INLAND DURING THE AFTERNOON. LIGHT TO  
MODERATE ONSHORE WINDS AND SEAS OF 2 TO 4 FEET WILL PREVAIL FOR  
THE REST OF THE WORK WEEK. OCCASIONALLY HIGHER GUSTS OF 15 TO 20  
KNOTS ARE POSSIBLE.  
 

 
 
GMZ335-111315-  
GALVESTON BAY-  
712 PM CDT THU JUL 10 2025  
   
TONIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY THIS  
EVENING.    
FRIDAY
 
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY CHOPPY.  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
FRIDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY.    
SATURDAY
 
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY. SHOWERS AND THUNDERSTORMS LIKELY.    
SATURDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
SUNDAY
 
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A CHANCE  
OF THUNDERSTORMS. A CHANCE OF SHOWERS IN THE MORNING, THEN  
SHOWERS LIKELY IN THE AFTERNOON.    
SUNDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
MONDAY
 
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A CHANCE  
OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
TUESDAY
 
SOUTH WINDS AROUND 10 KNOTS, INCREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO  
SLIGHTLY CHOPPY IN THE AFTERNOON.    
TUESDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHWEST  
AROUND 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY,  
DIMINISHING TO SMOOTH AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ330-111315-  
MATAGORDA BAY-  
712 PM CDT THU JUL 10 2025  
   
TONIGHT
 
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.  
BAY WATERS SLIGHTLY CHOPPY.    
FRIDAY
 
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.  
BAY WATERS SLIGHTLY CHOPPY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
FRIDAY NIGHT
 
SOUTH WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY. A  
CHANCE OF SHOWERS AFTER MIDNIGHT.    
SATURDAY
 
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS  
SLIGHTLY CHOPPY.    
SUNDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY. A CHANCE OF SHOWERS IN THE MORNING.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS  
SLIGHTLY CHOPPY.    
MONDAY
 
SOUTH WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST 10 TO  
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO  
SLIGHTLY CHOPPY IN THE AFTERNOON.    
MONDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY.    
TUESDAY
 
SOUTH WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST 10 TO  
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO  
SLIGHTLY CHOPPY IN THE AFTERNOON.    
TUESDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ350-355-111315-  
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT  
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-  
712 PM CDT THU JUL 10 2025  
   
TONIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTH 3 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS  
EARLY THIS EVENING.    
FRIDAY
 
SOUTH WINDS AROUND 15 KNOTS WITH GUSTS UP TO 20 KNOTS.  
SEAS 2 TO 4 FEET. WAVE DETAIL: SOUTH 3 FEET AT 5 SECONDS. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
FRIDAY NIGHT
 
SOUTH WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.  
WAVE DETAIL: SOUTH 4 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT.    
SATURDAY
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET. WAVE  
DETAIL: SOUTH 3 FEET AT 5 SECONDS. A CHANCE OF THUNDERSTORMS.  
SHOWERS LIKELY, MAINLY IN THE MORNING.    
SATURDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.  
WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
SUNDAY
 
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 4 FEET. WAVE  
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
SUNDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.   
MONDAY
 
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.    
MONDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.    
TUESDAY
 
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.    
TUESDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ370-375-111315-  
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-  
712 PM CDT THU JUL 10 2025  
   
TONIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTH 2 FEET AT 5 SECONDS.    
FRIDAY
 
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.  
SEAS 3 TO 4 FEET. WAVE DETAIL: SOUTH 2 FEET AT 5 SECONDS. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
FRIDAY NIGHT
 
SOUTHEAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO  
20 KNOTS. SEAS 3 TO 4 FEET. WAVE DETAIL: SOUTH 3 FEET AT  
5 SECONDS. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.    
SATURDAY
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: SOUTH 3 FEET AT 6 SECONDS. A CHANCE OF THUNDERSTORMS.  
SHOWERS LIKELY, MAINLY IN THE MORNING.    
SATURDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO  
4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
SUNDAY
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING.    
SUNDAY NIGHT
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 3 TO  
4 FEET.    
MONDAY
 
SOUTH WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET. A CHANCE  
OF SHOWERS IN THE MORNING.    
MONDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.    
TUESDAY
 
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.    
TUESDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
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