903  
FZUS54 KHGX 120032  
CWFHGX  
 
COASTAL WATERS FORECAST FOR TEXAS  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
732 PM CDT FRI JUL 11 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.  
 
GMZ300-121330-  
732 PM CDT FRI JUL 11 2025  
 
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM  
INCLUDING GALVESTON AND MATAGORDA BAYS.  
 
A DAILY RISK OF SHOWERS AND THUNDERSTORMS CONTINUES THROUGH THE  
WEEKEND. SOUTHERLY WINDS IN THE 10 TO 20 KNOT RANGE AND 3 TO 5  
FOOT SEAS, OCCASIONALLY TO 6 FEET WELL OFFSHORE, SHOULD PREVAIL.  
WINDS AND SEAS WILL DECREASE SOMEWHAT AFTER MONDAY.  
 
 
 
GMZ335-121330-  
GALVESTON BAY-  
732 PM CDT FRI JUL 11 2025  
   
TONIGHT  
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS EARLY THIS EVENING,  
THEN A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE THIS  
EVENING. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE.    
SATURDAY  
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING,  
THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE AFTERNOON.    
SATURDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.    
SUNDAY  
SOUTH WINDS AROUND 10 KNOTS. BAY WATERS SMOOTH TO  
SLIGHTLY CHOPPY. SHOWERS LIKELY WITH A CHANCE OF THUNDERSTORMS.    
SUNDAY NIGHT  
SOUTH WINDS AROUND 10 KNOTS. BAY WATERS SMOOTH TO  
SLIGHTLY CHOPPY.    
MONDAY  
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A CHANCE  
OF SHOWERS AND THUNDERSTORMS.    
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.    
WEDNESDAY  
SOUTHWEST WINDS 5 TO 10 KNOTS, BECOMING SOUTH IN THE  
AFTERNOON. BAY WATERS SMOOTH.    
WEDNESDAY NIGHT  
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ355-121330-  
COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-  
732 PM CDT FRI JUL 11 2025  
 
...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT  
SATURDAY...  
   
TONIGHT  
SOUTH WINDS AROUND 15 KNOTS WITH GUSTS UP TO 20 KNOTS,  
INCREASING TO 15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 3 TO 4 FEET.  
WAVE DETAIL: SOUTH 4 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS LATE.    
SATURDAY  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: SOUTH 4 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
SATURDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.  
WAVE DETAIL: SOUTH 3 FEET AT 6 SECONDS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS AFTER MIDNIGHT.    
SUNDAY  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTH 3 FEET AT 6 SECONDS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
SUNDAY NIGHT  
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.  
WAVE DETAIL: SOUTH 3 FEET AT 6 SECONDS.    
MONDAY  
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTH 2 FEET AT 6 SECONDS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING.    
MONDAY NIGHT  
SOUTH WINDS AROUND 10 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.    
WEDNESDAY  
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.    
WEDNESDAY NIGHT  
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND  
2 FEET.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ375-121330-  
WATERS FROM HIGH ISLAND TO FREEPORT TX FROM 20 TO 60 NM-  
732 PM CDT FRI JUL 11 2025  
 
...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT  
SATURDAY...  
   
TONIGHT  
SOUTHEAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO  
20 KNOTS, BECOMING SOUTH 15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 4 TO  
5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 6 SECONDS. A CHANCE OF  
SHOWERS AND THUNDERSTORMS LATE.    
SATURDAY  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 5 FEET. WAVE  
DETAIL: SOUTH 4 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
SATURDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.  
WAVE DETAIL: SOUTH 3 FEET AT 6 SECONDS. A CHANCE OF THUNDERSTORMS  
IN THE EVENING. A CHANCE OF SHOWERS.    
SUNDAY  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: SOUTH 3 FEET AT 6 SECONDS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
SUNDAY NIGHT  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND  
3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
MONDAY  
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTH 3 FEET AT 6 SECONDS. A CHANCE OF SHOWERS IN THE  
MORNING.    
MONDAY NIGHT  
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.    
TUESDAY  
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.    
TUESDAY NIGHT  
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.    
WEDNESDAY  
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.    
WEDNESDAY NIGHT  
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND  
2 FEET.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ330-121330-  
MATAGORDA BAY-  
732 PM CDT FRI JUL 11 2025  
   
TONIGHT  
SOUTH WINDS AROUND 15 KNOTS, INCREASING TO 15 TO  
20 KNOTS LATE THIS EVENING AND OVERNIGHT. BAY WATERS SLIGHTLY  
CHOPPY, INCREASING TO CHOPPY LATE THIS EVENING AND OVERNIGHT. A  
SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS LATE.    
SATURDAY  
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.  
BAY WATERS SLIGHTLY CHOPPY. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
SATURDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
20 KNOTS. BAY WATERS SLIGHTLY CHOPPY.    
SUNDAY  
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY CHOPPY.  
A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING.    
SUNDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS  
SLIGHTLY CHOPPY.    
MONDAY  
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A CHANCE  
OF SHOWERS IN THE MORNING.    
MONDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY.    
TUESDAY  
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY.    
TUESDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY.    
WEDNESDAY  
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY.    
WEDNESDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS  
SLIGHTLY CHOPPY.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ350-121330-  
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT  
20 NM-  
732 PM CDT FRI JUL 11 2025  
 
...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT  
SATURDAY...  
   
TONIGHT  
SOUTH WINDS AROUND 15 KNOTS, INCREASING TO 15 TO  
20 KNOTS LATE THIS EVENING AND OVERNIGHT. SEAS 3 TO 4 FEET. WAVE  
DETAIL: SOUTHEAST 4 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS  
AND THUNDERSTORMS.    
SATURDAY  
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.  
SEAS 3 TO 4 FEET. WAVE DETAIL: SOUTH 4 FEET AT 6 SECONDS. A  
CHANCE OF SHOWERS AND THUNDERSTORMS.    
SATURDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
20 KNOTS. SEAS 3 TO 4 FEET. WAVE DETAIL: SOUTH 3 FEET AT  
6 SECONDS.    
SUNDAY  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS. A CHANCE OF THUNDERSTORMS  
IN THE MORNING. A CHANCE OF SHOWERS.    
SUNDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND  
3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
MONDAY  
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE MORNING.    
MONDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
20 KNOTS. SEAS 2 TO 3 FEET.    
TUESDAY  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.    
TUESDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.    
WEDNESDAY  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.    
WEDNESDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ370-121330-  
WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX FROM 20 TO  
60 NM-  
732 PM CDT FRI JUL 11 2025  
 
...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT  
SATURDAY...  
   
TONIGHT  
SOUTH WINDS 15 TO 20 KNOTS. SEAS 5 TO 6 FEET,  
OCCASIONALLY TO 8 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT  
6 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS.    
SATURDAY  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 4 TO 5 FEET. WAVE  
DETAIL: SOUTH 4 FEET AT 6 SECONDS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
SATURDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND  
4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
SUNDAY  
SOUTH WINDS 10 TO 15 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 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.  
WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
MONDAY  
SOUTH WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS. A CHANCE OF SHOWERS IN THE  
MORNING.    
MONDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET.   
TUESDAY  
SOUTH WINDS AROUND 10 KNOTS. SEAS AROUND 3 FEET.    
TUESDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.    
WEDNESDAY  
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.    
WEDNESDAY NIGHT  
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
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