Bays
Galveston Bay
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. GMZ335-200815- Galveston Bay- 242 PM CDT Mon Oct 19 2026 .THIS AFTERNOON...East winds 10 to 15 knots, diminishing to around 10 knots late. Bay waters slightly choppy, diminishing to smooth late. .TONIGHT...East winds 5 to 10 knots. Bay waters smooth.Full forecast ↗