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. GMZ335-182330- Galveston Bay- 516 AM CDT Sun Oct 18 2026 ...SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 10 AM CDT THIS MORNING... .TODAY...Northeast winds around 15 knots with gusts up to 20 knots, diminishing to around 10 knots this afternoon. Bay waters slightly choppy, diminishing to smooth this afternoon. .TONIGHT...East winds around 10 knots, becoming northeast 10 to 15 knots after midnight. Bay waters smooth, increasing to slightly choppy after midnight.Full forecast ↗