488  
FZUS54 KCRP 180500  
CWFCRP  
 
COASTAL WATERS FORECAST FOR TEXAS  
NATIONAL WEATHER SERVICE CORPUS CHRISTI TX  
1200 AM CDT THU SEP 18 2025  
 
MIDDLE TEXAS COASTAL WATERS FROM BAFFIN BAY TO MATAGORDA SHIP  
CHANNEL OUT TO 60 NAUTICAL MILES.  
 
SEAS ARE PROVIDED AS A RANGE OF THE AVERAGE HEIGHT OF THE HIGHEST  
1/3 OF THE WAVES...ALONG WITH OCCASIONAL HEIGHT OF THE AVERAGE  
HIGHEST 10 PERCENT OF THE WAVES.  
 
 
GMZ200-181715-  
1200 AM CDT THU SEP 18 2025  
   
SYNOPSIS FOR THE MIDDLE TEXAS COASTAL WATERS  
 
A GENTLE TO MODERATE (BF 3-4) EAST TO SOUTHEASTERLY BREEZE WILL  
PERSIST THROUGH EARLY NEXT WEEK. THERE WILL BE A LOW TO MEDIUM  
CHANCE (30-60%) OF SHOWERS AND THUNDERSTORMS THROUGH THE WEEK INTO  
THE WEEKEND, WITH SLIGHTLY HIGHER CHANCES NEXT WEEK (60-70%).  
 
 
 
GMZ236-237-181715-  
COPANO, ARANSAS, AND REDFISH BAYS-  
SAN ANTONIO, MESQUITE, AND ESPIRITU SANTO BAYS-  
1200 AM CDT THU SEP 18 2025  
   
TODAY  
EAST WINDS 5 TO 10 KNOTS, BECOMING SOUTHEAST LATE. BAY  
AND INLAND WATERS SMOOTH.    
TONIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY AND INLAND WATERS  
SMOOTH.    
THURSDAY  
EAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. BAY AND INLAND WATERS SLIGHTLY CHOPPY  
TO OCCASIONALLY CHOPPY.    
THURSDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO  
5 TO 10 KNOTS AFTER MIDNIGHT. BAY AND INLAND WATERS SLIGHTLY  
CHOPPY TO OCCASIONALLY CHOPPY.    
FRIDAY  
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST IN THE  
AFTERNOON. BAY AND INLAND WATERS SMOOTH.    
FRIDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY AND INLAND  
WATERS SMOOTH.    
SATURDAY  
EAST WINDS 5 TO 10 KNOTS. BAY AND INLAND WATERS  
SMOOTH. A CHANCE OF SHOWERS.    
SATURDAY NIGHT  
SOUTHEAST WINDS 5 TO 10 KNOTS. BAY AND INLAND  
WATERS SMOOTH. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER  
MIDNIGHT.    
SUNDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. BAY AND INLAND WATERS SLIGHTLY CHOPPY  
TO OCCASIONALLY CHOPPY. A CHANCE OF SHOWERS AND THUNDERSTORMS.    
SUNDAY NIGHT  
SOUTHEAST WINDS AROUND 10 KNOTS. BAY AND INLAND  
WATERS SLIGHTLY CHOPPY. A CHANCE OF SHOWERS AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ231-232-181715-  
BAFFIN BAY AND UPPER LAGUNA MADRE-CORPUS CHRISTI AND NUECES BAYS-  
1200 AM CDT THU SEP 18 2025  
   
TODAY  
EAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO 15 KNOTS  
WITH GUSTS UP TO 20 KNOTS THIS AFTERNOON. BAY AND INLAND WATERS  
SLIGHTLY CHOPPY TO OCCASIONALLY CHOPPY. A CHANCE OF SHOWERS THIS  
MORNING. A SLIGHT CHANCE OF THUNDERSTORMS. A SLIGHT CHANCE OF  
SHOWERS THIS AFTERNOON.    
TONIGHT  
EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO 20 KNOTS,  
BECOMING SOUTHEAST 5 TO 10 KNOTS AFTER MIDNIGHT. BAY AND INLAND  
WATERS SLIGHTLY CHOPPY TO OCCASIONALLY CHOPPY.    
THURSDAY  
EAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO  
15 KNOTS WITH GUSTS UP TO 20 KNOTS IN THE AFTERNOON. BAY AND  
INLAND WATERS SLIGHTLY CHOPPY TO OCCASIONALLY CHOPPY.    
THURSDAY NIGHT  
EAST WINDS 10 TO 15 KNOTS WITH GUSTS UP TO  
20 KNOTS, BECOMING SOUTHEAST 5 TO 10 KNOTS AFTER MIDNIGHT. BAY  
AND INLAND WATERS SLIGHTLY CHOPPY TO OCCASIONALLY CHOPPY.    
FRIDAY  
NORTHEAST WINDS 5 TO 10 KNOTS, BECOMING EAST 10 TO  
15 KNOTS IN THE AFTERNOON. BAY AND INLAND WATERS SLIGHTLY CHOPPY  
TO OCCASIONALLY CHOPPY. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS IN THE AFTERNOON.    
FRIDAY NIGHT  
EAST WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST  
5 TO 10 KNOTS AFTER MIDNIGHT. BAY AND INLAND WATERS SLIGHTLY  
CHOPPY TO OCCASIONALLY CHOPPY.    
SATURDAY  
EAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. BAY AND INLAND WATERS SLIGHTLY CHOPPY  
TO OCCASIONALLY CHOPPY. A CHANCE OF SHOWERS.    
SATURDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS, DIMINISHING TO  
5 TO 10 KNOTS AFTER MIDNIGHT. BAY AND INLAND WATERS SLIGHTLY  
CHOPPY TO OCCASIONALLY CHOPPY. A CHANCE OF SHOWERS AFTER  
MIDNIGHT.    
SUNDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. BAY AND INLAND WATERS SLIGHTLY CHOPPY  
TO OCCASIONALLY CHOPPY. A CHANCE OF SHOWERS. A CHANCE OF  
THUNDERSTORMS IN THE AFTERNOON.    
SUNDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. BAY AND INLAND  
WATERS SLIGHTLY CHOPPY TO OCCASIONALLY CHOPPY. A CHANCE OF  
SHOWERS AFTER MIDNIGHT.  
 
WINDS AND WAVES HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ255-181715-  
COASTAL WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL OUT  
20 NM-  
1200 AM CDT THU SEP 18 2025  
   
TODAY  
EAST WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET. WAVE  
DETAIL: EAST 3 FEET AT 6 SECONDS.    
TONIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.  
WAVE DETAIL: EAST 3 FEET AT 6 SECONDS.    
THURSDAY  
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: SOUTHEAST 3 FEET AT 6 SECONDS.    
THURSDAY NIGHT  
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO  
10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: EAST  
3 FEET AT 6 SECONDS.    
FRIDAY  
EAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO 15 KNOTS  
IN THE AFTERNOON. SEAS AROUND 2 FEET. WAVE DETAIL: EAST 2 FEET AT  
5 SECONDS. A SLIGHT CHANCE OF SHOWERS IN THE AFTERNOON.    
FRIDAY NIGHT  
EAST WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST  
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: EAST  
3 FEET AT 5 SECONDS.    
SATURDAY  
EAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS AROUND 2 FEET. A CHANCE OF  
SHOWERS.    
SATURDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND  
2 FEET. A CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS AFTER  
MIDNIGHT.    
SUNDAY  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 2 FEET. A  
CHANCE OF THUNDERSTORMS. SHOWERS LIKELY, MAINLY IN THE MORNING.    
SUNDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
A CHANCE OF SHOWERS.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ250-181715-  
COASTAL WATERS FROM BAFFIN BAY TO PORT ARANSAS OUT 20 NM-  
1200 AM CDT THU SEP 18 2025  
   
TODAY  
EAST WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET. WAVE  
DETAIL: EAST 3 FEET AT 6 SECONDS. A SLIGHT CHANCE OF SHOWERS AND  
THUNDERSTORMS UNTIL LATE AFTERNOON.    
TONIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.  
WAVE DETAIL: EAST 3 FEET AT 6 SECONDS.    
THURSDAY  
EAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET. WAVE  
DETAIL: EAST 3 FEET AT 6 SECONDS.    
THURSDAY NIGHT  
EAST WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST  
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: EAST  
3 FEET AT 6 SECONDS.    
FRIDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: EAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS.    
FRIDAY NIGHT  
EAST WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST  
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL:  
EAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
SATURDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. A  
CHANCE OF SHOWERS.    
SATURDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO  
3 FEET. A CHANCE OF SHOWERS AND THUNDERSTORMS AFTER MIDNIGHT.    
SUNDAY  
SOUTHEAST WINDS 5 TO 10 KNOTS, INCREASING TO 10 TO  
15 KNOTS IN THE AFTERNOON. SEAS AROUND 2 FEET. A CHANCE OF  
THUNDERSTORMS. SHOWERS LIKELY, MAINLY IN THE MORNING.    
SUNDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
A CHANCE OF SHOWERS.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
 
GMZ270-275-181715-  
WATERS FROM BAFFIN BAY TO PORT ARANSAS FROM 20 TO 60 NM-  
WATERS FROM PORT ARANSAS TO MATAGORDA SHIP CHANNEL FROM 20 TO  
60 NM-  
1200 AM CDT THU SEP 18 2025  
   
TODAY  
EAST WINDS 10 TO 15 KNOTS. SEAS 3 TO 4 FEET,  
OCCASIONALLY TO 5 FEET. WAVE DETAIL: EAST 4 FEET AT 6 SECONDS. A  
SLIGHT CHANCE OF THUNDERSTORMS EARLY THIS MORNING. A SLIGHT  
CHANCE OF SHOWERS UNTIL LATE AFTERNOON. A SLIGHT CHANCE OF  
THUNDERSTORMS EARLY THIS AFTERNOON.    
TONIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET.  
WAVE DETAIL: EAST 3 FEET AT 6 SECONDS.    
THURSDAY  
EAST WINDS 10 TO 15 KNOTS. SEAS AROUND 3 FEET. WAVE  
DETAIL: EAST 3 FEET AT 6 SECONDS.    
THURSDAY NIGHT  
EAST WINDS 10 TO 15 KNOTS, DIMINISHING TO 5 TO  
10 KNOTS AFTER MIDNIGHT. SEAS 2 TO 3 FEET. WAVE DETAIL: EAST  
3 FEET AT 5 SECONDS.    
FRIDAY  
NORTHEAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. WAVE  
DETAIL: EAST 2 FEET AT 5 SECONDS. A SLIGHT CHANCE OF SHOWERS IN  
THE MORNING, THEN A CHANCE OF SHOWERS IN THE AFTERNOON.    
FRIDAY NIGHT  
EAST WINDS 10 TO 15 KNOTS, BECOMING SOUTHEAST  
5 TO 10 KNOTS AFTER MIDNIGHT. SEAS AROUND 2 FEET. WAVE DETAIL:  
EAST 2 FEET AT 5 SECONDS. A CHANCE OF SHOWERS AFTER MIDNIGHT.    
SATURDAY  
EAST WINDS 5 TO 10 KNOTS. SEAS AROUND 2 FEET. A  
CHANCE OF SHOWERS. A CHANCE OF THUNDERSTORMS IN THE AFTERNOON.    
SATURDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS AROUND  
2 FEET. A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY  
WITH A CHANCE OF THUNDERSTORMS AFTER MIDNIGHT.    
SUNDAY  
SOUTHEAST WINDS AROUND 10 KNOTS. SEAS AROUND 2 FEET. A  
CHANCE OF THUNDERSTORMS. SHOWERS LIKELY, MAINLY IN THE MORNING.    
SUNDAY NIGHT  
SOUTHEAST WINDS 10 TO 15 KNOTS. SEAS 2 TO 3 FEET.  
A CHANCE OF SHOWERS IN THE EVENING, THEN SHOWERS LIKELY AFTER  
MIDNIGHT.  
 
WINDS AND SEAS HIGHER IN AND NEAR THUNDERSTORMS.  
 
 
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