837  
FZUS54 KHGX 271752  
CWFHGX  
 
COASTAL WATERS FORECAST FOR TEXAS  
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX  
1252 PM CDT MON APR 27 2026  
 
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.  
 
GMZ300-280630-  
1252 PM CDT MON APR 27 2026  
 
.SYNOPSIS FOR HIGH ISLAND TO THE MATAGORDA SHIP CHANNEL OUT 60 NM  
INCLUDING GALVESTON AND MATAGORDA BAYS.  
 
LIGHT TO MODERATE SOUTHEASTERLY WINDS WILL CONTINUE OVER THE NEXT  
SEVERAL DAYS. ELEVATED WATER LEVELS AROUND 2.5 TO 3.0 FEET ABOVE  
MLLW ARE STILL EXPECTED AT EACH HIGH TIDE CYCLE THROUGH EARLY THIS  
WEEK. A SLIGHT INCREASE IN WINDS AND SEAS IS EXPECTED BEGINNING  
AROUND TUESDAY. ISOLATED SHOWERS AND THUNDERSTORMS WILL BE  
POSSIBLE EACH DAY WITH HIGHER RAIN CHANCES WEDNESDAY THROUGH THE  
END OF THE WORK WEEK. A MODEST COLD FRONT SHOULD BRING MODERATE TO  
STRONG OFFSHORE WINDS FRIDAY NIGHT INTO THE WEEKEND, LIKELY  
WARRANTING AT LEAST SMALL CRAFT ADVISORIES.  
 

 
 
GMZ335-280630-  
GALVESTON BAY-  
1252 PM CDT MON APR 27 2026  
   
THIS AFTERNOON
 
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
20 KNOTS. BAY WATERS SLIGHTLY CHOPPY.    
TONIGHT
 
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 AROUND 10 KNOTS, INCREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO  
SLIGHTLY CHOPPY IN THE AFTERNOON.    
WEDNESDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST  
AROUND 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY,  
DIMINISHING TO SMOOTH AFTER MIDNIGHT.    
THURSDAY
 
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST 10 TO  
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO  
SLIGHTLY CHOPPY IN THE AFTERNOON. A CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS  
SLIGHTLY CHOPPY. A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS  
AFTER MIDNIGHT.    
FRIDAY
 
SOUTHEAST WINDS AROUND 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY. A CHANCE OF SHOWERS IN THE MORNING, THEN SHOWERS LIKELY  
WITH A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.    
FRIDAY NIGHT
 
NORTHWEST WINDS AROUND 20 KNOTS, BECOMING NORTH  
20 TO 25 KNOTS AFTER MIDNIGHT. BAY WATERS CHOPPY, INCREASING TO  
ROUGH AFTER MIDNIGHT. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY,  
MAINLY IN THE EVENING.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ330-280630-  
MATAGORDA BAY-  
1252 PM CDT MON APR 27 2026  
   
THIS AFTERNOON
 
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
20 KNOTS. BAY WATERS SLIGHTLY CHOPPY.    
TONIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY.    
TUESDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
25 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
 
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO  
AROUND 10 KNOTS AFTER MIDNIGHT. BAY WATERS SLIGHTLY CHOPPY,  
DIMINISHING TO SMOOTH AFTER MIDNIGHT.    
THURSDAY
 
EAST WINDS AROUND 10 KNOTS, BECOMING SOUTHEAST 10 TO  
15 KNOTS IN THE AFTERNOON. BAY WATERS SMOOTH, INCREASING TO  
SLIGHTLY CHOPPY IN THE AFTERNOON.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS  
SLIGHTLY CHOPPY.    
FRIDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY WATERS SLIGHTLY  
CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS.    
FRIDAY NIGHT
 
NORTHEAST WINDS 15 TO 20 KNOTS, BECOMING NORTH  
AFTER MIDNIGHT. BAY WATERS CHOPPY. A CHANCE OF THUNDERSTORMS. A  
CHANCE OF SHOWERS.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ350-355-280630-  
COASTAL WATERS FROM FREEPORT TO MATAGORDA SHIP CHANNEL TX OUT  
20 NM-COASTAL WATERS FROM HIGH ISLAND TO FREEPORT TX OUT 20 NM-  
1252 PM CDT MON APR 27 2026  
   
THIS AFTERNOON
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO  
4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
TONIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
TUESDAY
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 4 FEET.  
WAVE DETAIL: SOUTHEAST 4 FEET AT 6 SECONDS.    
TUESDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS. SEAS AROUND 4 FEET.  
WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS.    
WEDNESDAY
 
SOUTH WINDS AROUND 10 KNOTS. SEAS 3 TO 4 FEET. WAVE  
DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 2 TO  
4 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS.    
THURSDAY
 
SOUTHEAST WINDS AROUND 10 KNOTS, INCREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS 2 TO 3 FEET.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO  
4 FEET. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
FRIDAY
 
SOUTHEAST WINDS 15 TO 20 KNOTS. SEAS 3 TO 5 FEET. A  
CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.    
FRIDAY NIGHT
 
EAST WINDS AROUND 20 KNOTS, BECOMING NORTH 20 TO  
25 KNOTS AFTER MIDNIGHT. SEAS 4 TO 6 FEET, OCCASIONALLY TO  
8 FEET. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
GMZ370-375-280630-  
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-  
1252 PM CDT MON APR 27 2026  
   
THIS AFTERNOON
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND  
4 FEET. WAVE DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
TONIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
20 KNOTS. SEAS 4 TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT  
6 SECONDS.    
TUESDAY
 
SOUTHEAST WINDS AROUND 15 KNOTS WITH GUSTS UP TO  
20 KNOTS. SEAS 4 TO 5 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT  
7 SECONDS.    
TUESDAY NIGHT
 
SOUTH WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
20 KNOTS. SEAS 4 TO 5 FEET. WAVE DETAIL: SOUTHEAST 5 FEET AT  
7 SECONDS.    
WEDNESDAY
 
SOUTH WINDS AROUND 10 KNOTS. SEAS 4 TO 5 FEET. WAVE  
DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS.    
WEDNESDAY NIGHT
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS 3 TO  
4 FEET. WAVE DETAIL: SOUTHEAST 4 FEET AT 7 SECONDS.    
THURSDAY
 
SOUTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 3 FEET.    
THURSDAY NIGHT
 
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 3 TO  
4 FEET.    
FRIDAY
 
SOUTHEAST WINDS AROUND 15 KNOTS. SEAS 4 TO 5 FEET. A  
CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.    
FRIDAY NIGHT
 
EAST WINDS AROUND 20 KNOTS, BECOMING NORTH 20 TO  
25 KNOTS AFTER MIDNIGHT. SEAS 5 TO 7 FEET, OCCASIONALLY TO  
9 FEET. A CHANCE OF THUNDERSTORMS. SHOWERS LIKELY.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 

 
 
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