597  
FZUS54 KHGX 311516  
CWFHGX  
 
COASTAL WATERS FORECAST FOR TEXAS  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
1016 AM CDT MON MAR 31 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.  
 
GMZ300-010430-  
SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT  
60 NAUTICAL MILES INCLUDING GALVESTON AND MATAGORDA BAYS  
1016 AM CDT MON MAR 31 2025  
 
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM  
INCLUDING GALVESTON AND MATAGORDA BAYS.  
 
PATCHY, BUT DENSE, SEA FOG WILL LIKELY REDEVELOP TONIGHT INTO  
TUESDAY MORNING. A WEAK FRONT WILL REACH THE COAST THIS AFTERNOON  
PROVIDING LIGHT OFFSHORE FLOW THAT WILL CONTINUE INTO THE EVENING.  
ONSHORE FLOW RETURNS ON TUESDAY AND PERSIST THROUGH THE REMAINDER  
OF THE WEEK WITH SPEEDS INCREASING TO AROUND 20 KNOTS BY  
WEDNESDAY.  
 
 
 
GMZ335-010430-  
GALVESTON BAY-  
1016 AM CDT MON MAR 31 2025  
   
REST OF TODAY  
NORTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.  
PATCHY FOG LATE THIS MORNING.    
TONIGHT  
NORTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.  
PATCHY DENSE FOG IN THE LATE EVENING AND OVERNIGHT.    
TUESDAY  
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST 10 TO  
15 KNOTS IN THE LATE MORNING AND AFTERNOON. BAY WATERS SMOOTH,  
RISING TO SLIGHTLY CHOPPY IN THE LATE MORNING AND AFTERNOON.  
PATCHY FOG IN THE MORNING.    
TUESDAY NIGHT  
SOUTH WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.    
WEDNESDAY  
SOUTH WINDS AROUND 20 KNOTS. BAY WATERS CHOPPY.    
WEDNESDAY NIGHT  
SOUTH WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.   
THURSDAY  
SOUTH WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.    
THURSDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS  
SLIGHTLY CHOPPY.    
FRIDAY  
SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.    
FRIDAY NIGHT  
SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS  
CHOPPY.  
 
 
 
GMZ330-010430-  
MATAGORDA BAY-  
1016 AM CDT MON MAR 31 2025  
   
REST OF TODAY  
NORTH WINDS 5 TO 10 KNOTS, VEERING TO NORTHEAST  
LATE. BAY WATERS SMOOTH. PATCHY FOG.    
TONIGHT  
EAST WINDS 5 TO 10 KNOTS, BACKING TO NORTHEAST AFTER  
MIDNIGHT. BAY WATERS SMOOTH. PATCHY DENSE FOG IN THE LATE EVENING  
AND OVERNIGHT.    
TUESDAY  
SOUTHEAST WINDS AROUND 10 KNOTS, RISING TO 10 TO  
15 KNOTS IN THE AFTERNOON. BAY WATERS SLIGHTLY CHOPPY. PATCHY FOG  
IN THE MORNING.    
TUESDAY NIGHT  
SOUTH WINDS AROUND 20 KNOTS, RISING TO 20 TO  
25 KNOTS LATE. BAY WATERS CHOPPY, RISING TO ROUGH LATE.    
WEDNESDAY  
SOUTH WINDS 20 TO 25 KNOTS. BAY WATERS ROUGH.    
WEDNESDAY NIGHT  
SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS  
CHOPPY.    
THURSDAY  
SOUTH WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.    
THURSDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS  
SLIGHTLY CHOPPY.    
FRIDAY  
SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS CHOPPY.    
FRIDAY NIGHT  
SOUTHEAST WINDS 15 TO 20 KNOTS. BAY WATERS  
CHOPPY.  
 
 
 
GMZ350-355-010430-  
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT  
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-  
1016 AM CDT MON MAR 31 2025  
   
REST OF TODAY  
NORTH WINDS AROUND 5 KNOTS, VEERING TO EAST  
LATE. SEAS AROUND 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT  
7 SECONDS. AREAS OF FOG LATE THIS MORNING, THEN PATCHY FOG THIS  
AFTERNOON.    
TONIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS, BACKING TO EAST AFTER  
MIDNIGHT. SEAS AROUND 3 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT  
7 SECONDS. PATCHY DENSE FOG.    
TUESDAY  
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST 10 TO  
15 KNOTS IN THE LATE MORNING AND AFTERNOON. SEAS AROUND 3 FEET.  
WAVE DETAIL: SOUTHEAST 3 FEET AT 7 SECONDS AND SOUTHEAST 2 FEET  
AT 4 SECONDS. PATCHY FOG IN THE MORNING.    
TUESDAY NIGHT  
SOUTH WINDS 15 TO 20 KNOTS. SEAS 3 TO 4 FEET,  
BUILDING TO 4 TO 6 FEET, OCCASIONALLY TO 8 FEET AFTER MIDNIGHT.  
WAVE DETAIL: SOUTHEAST 4 FEET AT 5 SECONDS, BECOMING SOUTHEAST  
5 FEET AT 5 SECONDS.    
WEDNESDAY  
SOUTH WINDS AROUND 20 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET. WAVE DETAIL: SOUTHEAST 6 FEET AT  
7 SECONDS.    
WEDNESDAY NIGHT  
SOUTHEAST WINDS AROUND 20 KNOTS. SEAS 6 TO  
8 FEET, OCCASIONALLY TO 10 FEET. WAVE DETAIL: SOUTHEAST 7 FEET AT  
8 SECONDS.    
THURSDAY  
SOUTH WINDS 15 TO 20 KNOTS. SEAS 6 TO 8 FEET,  
OCCASIONALLY TO 10 FEET.    
THURSDAY NIGHT  
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 5 TO  
7 FEET, OCCASIONALLY TO 9 FEET.    
FRIDAY  
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET.    
FRIDAY NIGHT  
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 5 TO 7 FEET,  
OCCASIONALLY TO 9 FEET.  
 
 
 
GMZ370-375-010430-  
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-  
1016 AM CDT MON MAR 31 2025  
   
REST OF TODAY  
WEST WINDS AROUND 5 KNOTS, VEERING TO NORTHEAST  
LATE. SEAS 3 TO 4 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT  
7 SECONDS. AREAS OF DENSE FOG LATE THIS MORNING, THEN PATCHY FOG  
THIS AFTERNOON.    
TONIGHT  
EAST WINDS AROUND 5 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: SOUTHEAST 3 FEET AT 7 SECONDS. PATCHY FOG.    
TUESDAY  
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST 10 TO  
15 KNOTS IN THE LATE MORNING AND AFTERNOON. SEAS 3 TO 4 FEET.  
WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS. PATCHY FOG EARLY IN  
THE MORNING.    
TUESDAY NIGHT  
SOUTH WINDS AROUND 20 KNOTS, RISING TO 20 TO  
25 KNOTS LATE. SEAS 3 TO 5 FEET, BUILDING TO 5 TO 6 FEET,  
OCCASIONALLY TO 8 FEET AFTER MIDNIGHT. WAVE DETAIL: SOUTHEAST  
5 FEET AT 7 SECONDS, BECOMING SOUTHEAST 6 FEET AT 6 SECONDS.    
WEDNESDAY  
SOUTH WINDS 20 TO 25 KNOTS. SEAS 6 TO 8 FEET,  
OCCASIONALLY TO 10 FEET. WAVE DETAIL: SOUTHEAST 8 FEET AT  
7 SECONDS.    
WEDNESDAY NIGHT  
SOUTHEAST WINDS AROUND 20 KNOTS. SEAS 7 TO  
9 FEET, OCCASIONALLY TO 11 FEET. WAVE DETAIL: SOUTHEAST 8 FEET AT  
8 SECONDS.    
THURSDAY  
SOUTH WINDS AROUND 20 KNOTS, RISING TO 20 TO 25 KNOTS  
IN THE AFTERNOON. SEAS 7 TO 10 FEET, OCCASIONALLY TO 13 FEET.    
THURSDAY NIGHT  
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 7 TO  
9 FEET, OCCASIONALLY TO 11 FEET.    
FRIDAY  
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 7 TO 9 FEET,  
OCCASIONALLY TO 11 FEET.    
FRIDAY NIGHT  
SOUTHEAST WINDS AROUND 20 KNOTS. SEAS 7 TO  
9 FEET, OCCASIONALLY TO 11 FEET.  
 
 
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