Expires:202608180000;;344148 FZUS54 KHGX 171103 CWFHGX Coastal Waters Forecast for Texas National Weather Service Houston/Galveston TX 603 AM CDT Mon Aug 17 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. GMZ350-355-180000- Coastal waters from Freeport to Matagorda Ship Channel TX out 20 NM-Coastal waters from High Island to Freeport TX out 20 NM- 603 AM CDT Mon Aug 17 2026 .TODAY...Southwest winds around 5 knots, becoming southeast early this afternoon, then becoming south late. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. .TONIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. .TUESDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds and southeast 1 foot at 8 seconds. .WEDNESDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds and southeast 1 foot at 9 seconds. .WEDNESDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds and southeast 1 foot at 7 seconds. .THURSDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. .THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. .FRIDAY...Southwest winds 10 to 15 knots, becoming south around 10 knots in the afternoon. Seas 2 to 3 feet. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. $$