Expires:202507210015;;766535 FZUS54 KHGX 201121 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 621 AM CDT Sun Jul 20 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. GMZ330-210015- Matagorda Bay- 621 AM CDT Sun Jul 20 2025 .TODAY...South winds 10 to 15 knots. Bay waters slightly choppy. .TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Bay waters slightly choppy. .MONDAY...South winds 10 to 15 knots. Bay waters slightly choppy. .MONDAY NIGHT...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 5 to 10 knots. Bay waters smooth. .WEDNESDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth. .THURSDAY...South winds 5 to 10 knots. Bay waters smooth. .THURSDAY NIGHT...South winds 5 to 10 knots. Bay waters smooth. $$