Coastal Waters Forecast for Galveston Bay (GMZ335) (Text-Only)
NWS Forecast for: Galveston Bay (GMZ335)
Issued by: National Weather Service Houston, TX
Last Update: 111 PM CDT Wed Mar 11 2026




This Afternoon: South winds around 15 knots with gusts up to 20 knots. Bay waters slightly choppy. A chance of thunderstorms. A chance of showers early, then showers likely late.

Tonight: Northwest winds around 20 knots, becoming north around 30 knots after midnight. Bay waters choppy, increasing to very rough after midnight. A chance of showers and thunderstorms in the evening.

Thursday: North winds around 30 knots, diminishing to around 20 knots in the afternoon. Bay waters very rough, diminishing to choppy in the afternoon.

Thursday Night: Northeast winds 5 to 10 knots, becoming east after midnight. Bay waters smooth.

Friday: South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Bay waters smooth.

Friday Night: South winds 5 to 10 knots. Bay waters smooth.

Saturday: South winds around 10 knots, increasing to 10 to 15 knots in the afternoon. Bay waters smooth, increasing to slightly choppy in the afternoon.

Saturday Night: South winds 10 to 15 knots. Bay waters slightly choppy.

Sunday: South winds 10 to 15 knots. Bay waters slightly choppy.

Sunday Night: Southwest winds around 15 knots, becoming north 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)

Visit your local NWS office at: https://www.weather.gov/hgx