002  
FZUS54 KHGX 101157  
CWFHGX  
 
COASTAL WATERS FORECAST FOR TEXAS  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
657 AM 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.  
 
GMZ300-110015-  
657 AM CDT THU JUL 10 2025  
 
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM  
INCLUDING GALVESTON AND MATAGORDA BAYS.  
 
NO SIGNIFICANT CHANGES HAVE BEEN MADE TO THE FORECAST. 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.  
 
 
 
GMZ335-110015-  
GALVESTON BAY-  
657 AM CDT THU JUL 10 2025  
   
TODAY  
SOUTHWEST WINDS AROUND 10 KNOTS, BECOMING SOUTH 10 TO  
15 KNOTS LATE. BAY WATERS SMOOTH, INCREASING TO SLIGHTLY CHOPPY  
LATE. A CHANCE OF SHOWERS. ISOLATED THUNDERSTORMS EARLY THIS  
MORNING, THEN A CHANCE OF THUNDERSTORMS LATE THIS MORNING AND  
AFTERNOON.    
TONIGHT  
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS IN THE  
EVENING.    
FRIDAY  
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY CHOPPY.  
A 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. A CHANCE OF SHOWERS AND THUNDERSTORMS IN THE MORNING,  
THEN SHOWERS AND THUNDERSTORMS LIKELY IN THE AFTERNOON.    
SATURDAY NIGHT  
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
SUNDAY  
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. A CHANCE  
OF SHOWERS AND THUNDERSTORMS.    
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.    
MONDAY NIGHT  
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.  
 
 
 
GMZ330-110015-  
MATAGORDA BAY-  
657 AM CDT THU JUL 10 2025  
   
TODAY  
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY CHOPPY.  
A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS EARLY THIS  
AFTERNOON.    
TONIGHT  
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.  
BAY WATERS SLIGHTLY CHOPPY.    
FRIDAY  
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY CHOPPY.   
FRIDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
20 KNOTS. BAY WATERS SLIGHTLY CHOPPY.    
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  
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH. 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.    
MONDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY.  
 
 
 
GMZ350-355-110015-  
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT  
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-  
657 AM CDT THU JUL 10 2025  
   
TODAY  
SOUTHWEST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTH 3 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS MORNING, THEN A CHANCE OF SHOWERS AND  
THUNDERSTORMS THIS AFTERNOON.    
TONIGHT  
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.  
SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS.    
FRIDAY  
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS.  
SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A  
CHANCE OF SHOWERS AND THUNDERSTORMS IN THE AFTERNOON.    
FRIDAY NIGHT  
SOUTHEAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO  
25 KNOTS. SEAS 2 TO 4 FEET. WAVE DETAIL: SOUTH 4 FEET AT  
5 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
SATURDAY  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: SOUTH 3 FEET AT 6 SECONDS. SHOWERS AND THUNDERSTORMS  
LIKELY, MAINLY IN THE MORNING.    
SATURDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
20 KNOTS. SEAS 3 TO 4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT  
6 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
SUNDAY  
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. A CHANCE  
OF SHOWERS AND THUNDERSTORMS.    
SUNDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.    
MONDAY  
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET. A CHANCE  
OF SHOWERS AND THUNDERSTORMS IN THE MORNING.    
MONDAY NIGHT  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
 
 
 
GMZ370-375-110015-  
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-  
657 AM CDT THU JUL 10 2025  
   
TODAY  
SOUTHWEST WINDS 10 TO 15 KNOTS, BECOMING SOUTH AROUND  
10 KNOTS THIS AFTERNOON. SEAS 2 TO 3 FEET. WAVE DETAIL: SOUTH  
3 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS AND THUNDERSTORMS  
UNTIL LATE AFTERNOON, THEN A CHANCE OF SHOWERS AND THUNDERSTORMS  
LATE.    
TONIGHT  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 6 SECONDS.    
FRIDAY  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: SOUTHEAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AND  
THUNDERSTORMS.    
FRIDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
20 KNOTS. SEAS 3 TO 4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT  
6 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
SATURDAY  
SOUTH WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS. SHOWERS AND THUNDERSTORMS  
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. A CHANCE OF  
SHOWERS AFTER MIDNIGHT.    
SUNDAY  
SOUTH WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET. A CHANCE  
OF SHOWERS AND THUNDERSTORMS IN THE MORNING.    
SUNDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND  
3 FEET.    
MONDAY  
SOUTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET. A CHANCE  
OF SHOWERS AND THUNDERSTORMS IN THE MORNING.    
MONDAY NIGHT  
SOUTH WINDS AROUND 10 KNOTS. SEAS 2 TO 3 FEET.  
 
 
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