338  
FZUS54 KHGX 202058  
CWFHGX  
 
COASTAL WATERS FORECAST  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
258 PM CST MON NOV 20 2017  
 
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.  
 
GMZ300-210915-  
SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60  
NAUTICAL MILES INCLUDING GALVESTON AND MATAGORDA BAYS  
258 PM CST MON NOV 20 2017  
   
SYNOPSIS FOR HIGH ISLAND TO MATAGORDA SHIP CHANNEL OUT 60 NM
 
 
ONSHORE WINDS ARE EXPECTED TO DEVELOP BY TUESDAY BEFORE THE NEXT  
COLD FRONT PUSHES OFF THE COAST TUESDAY NIGHT OR EARLY WEDNESDAY  
MORNING. SCATTERED SHOWERS AND THUNDERSTORMS WILL BE POSSIBLE  
ACROSS THE COASTAL WATERS AHEAD OF THE FRONT. BEHIND THE FRONT,  
CAUTION FLAGS WILL LIKELY BE NEEDED FOR STRENGTHENING NORTH WINDS  
AND BUILDING SEAS. CONDITIONS ARE EXPECTED TO IMPROVE BY THURSDAY  
WITH LIGHT ONSHORE FLOW BECOMING ESTABLISHED BY FRIDAY.  
 

 
 
GMZ330-335-210915-  
MATAGORDA BAY-GALVESTON BAY-  
258 PM CST MON NOV 20 2017  
   
TONIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.  
ISOLATED SHOWERS AFTER MIDNIGHT.    
TUESDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS INCREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH BECOMING SLIGHTLY  
CHOPPY IN THE AFTERNOON. ISOLATED SHOWERS IN THE MORNING, THEN  
SCATTERED SHOWERS AND ISOLATED THUNDERSTORMS IN THE AFTERNOON.    
TUESDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS BECOMING NORTHEAST  
AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY. SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE EVENING, THEN ISOLATED SHOWERS  
AFTER MIDNIGHT.    
WEDNESDAY
 
NORTH WINDS 15 TO 20 KNOTS DECREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. BAY WATERS CHOPPY BECOMING SLIGHTLY  
CHOPPY IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS. BAY WATERS  
SLIGHTLY CHOPPY.    
THURSDAY
 
NORTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
THURSDAY NIGHT
 
NORTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
FRIDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST IN THE  
AFTERNOON. BAY WATERS SMOOTH.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.   
SATURDAY
 
SOUTH WINDS 5 TO 10 KNOTS. BAY WATERS SMOOTH.    
SATURDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS BECOMING NORTH AFTER  
MIDNIGHT. BAY WATERS SMOOTH.  
 

 
 
GMZ350-355-210915-  
COASTAL WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT  
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT OUT 20 NM-  
258 PM CST MON NOV 20 2017  
   
TONIGHT
 
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS 2 FEET. ISOLATED  
SHOWERS.    
TUESDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 FEET. ISOLATED  
SHOWERS IN THE MORNING, THEN SCATTERED SHOWERS AND ISOLATED  
THUNDERSTORMS IN THE AFTERNOON.    
TUESDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS BECOMING NORTHEAST  
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS.    
WEDNESDAY
 
NORTH WINDS 15 TO 20 KNOTS. SEAS 2 TO 4 FEET.    
WEDNESDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS DECREASING TO 10 TO  
15 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 FEET.    
THURSDAY
 
NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.    
THURSDAY NIGHT
 
NORTH WINDS 5 TO 10 KNOTS. SEAS 2 TO 3 FEET.    
FRIDAY
 
NORTHEAST WINDS 5 TO 10 KNOTS BECOMING EAST IN THE  
AFTERNOON. SEAS 1 TO 2 FEET.    
FRIDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 1 TO 2 FEET.   
SATURDAY
 
SOUTH WINDS AROUND 10 KNOTS. SEAS 1 TO 2 FEET.    
SATURDAY NIGHT
 
SOUTH WINDS AROUND 10 KNOTS BECOMING EAST AFTER  
MIDNIGHT. SEAS 1 TO 2 FEET.  
 

 
 
GMZ370-375-210915-  
WATERS FROM FREEPORT TO THE MATAGORDA SHIP CHANNEL FROM 20 TO  
60 NM-WATERS FROM HIGH ISLAND TO FREEPORT FROM 20 TO 60 NM-  
258 PM CST MON NOV 20 2017  
   
TONIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
ISOLATED SHOWERS.    
TUESDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
ISOLATED SHOWERS IN THE MORNING, THEN SCATTERED SHOWERS AND  
ISOLATED THUNDERSTORMS IN THE AFTERNOON.    
TUESDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS BECOMING NORTHEAST  
15 TO 20 KNOTS AFTER MIDNIGHT. SEAS 2 TO 4 FEET. SCATTERED  
SHOWERS AND ISOLATED THUNDERSTORMS.    
WEDNESDAY
 
NORTHEAST WINDS 20 TO 25 KNOTS BECOMING NORTH 15 TO  
20 KNOTS IN THE AFTERNOON. SEAS 4 TO 5 FEET WITH OCCASIONAL SEAS  
UP TO 6 FEET. A SLIGHT CHANCE OF SHOWERS IN THE MORNING.    
WEDNESDAY NIGHT
 
NORTH WINDS 15 TO 20 KNOTS. SEAS 4 TO 6 FEET  
WITH OCCASIONAL SEAS UP TO 7 FEET.    
THURSDAY
 
NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 4 FEET.    
THURSDAY NIGHT
 
NORTH WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.    
FRIDAY
 
NORTH WINDS AROUND 10 KNOTS BECOMING NORTHEAST IN THE  
AFTERNOON. SEAS 1 TO 2 FEET.    
FRIDAY NIGHT
 
EAST WINDS 10 TO 15 KNOTS BECOMING SOUTHEAST  
AFTER MIDNIGHT. SEAS 1 TO 2 FEET.    
SATURDAY
 
SOUTH WINDS AROUND 10 KNOTS. SEAS 1 TO 2 FEET.    
SATURDAY NIGHT
 
SOUTH WINDS 5 TO 10 KNOTS. SEAS 1 TO 2 FEET.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab TX Page Main Text Page