Coastal Waters Forecast for Galveston Bay (GMZ335) (Text-Only)
NWS Forecast for: Galveston Bay (GMZ335)
Issued by: National Weather Service Houston, TX
Last Update: 554 AM CDT Thu Oct 1 2026


Today: Southeast winds 15 to 25 knots this morning gradually diminishing this afternoon. Bay waters choppy. A chance of showers and thunderstorms.

Tonight: Southeast winds 10 to 15 knots. Bay waters slightly choppy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight.

Friday: East winds 5 to 10 knots. Bay waters smooth. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon.

Friday Night: Northeast winds 5 to 10 knots. Bay waters smooth. A chance of thunderstorms in the evening. Showers likely.

Saturday: Northeast winds 10 to 15 knots, diminishing to around 10 knots in the afternoon. Bay waters slightly choppy, diminishing to smooth in the afternoon. A chance of thunderstorms. Showers.

Saturday Night: Northeast winds 10 to 15 knots. Bay waters slightly choppy. A chance of thunderstorms. Showers likely.

Sunday: Northeast winds 15 to 20 knots, diminishing to around 15 knots in the afternoon. Bay waters choppy, diminishing to slightly choppy in the afternoon. Showers likely with a chance of thunderstorms.

Sunday Night: Northeast winds around 15 knots, increasing to 15 to 20 knots after midnight. Bay waters slightly choppy, increasing to choppy after midnight. A chance of thunderstorms in the evening. A chance of showers.

Monday: Northeast winds 15 to 20 knots, diminishing to around 15 knots in the afternoon. Bay waters choppy, diminishing to slightly choppy in the afternoon. A chance of showers. A chance of thunderstorms in the afternoon.

Monday Night: Northeast winds around 15 knots, increasing to 15 to 20 knots after midnight. Bay waters slightly choppy, increasing to choppy after midnight.

winds and waves higher in and near thunderstorms.







Zone Forecast: Galveston Bay (GMZ335)

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