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Galveston Bay Marine Forecast

Updated 5:58am CDT Apr 4, 2026
Zone Map
Small Craft Should Exercise Caution In Effect Until 1 Pm Cdt This Afternoon
Today
South winds 15 to 20 knots early this morning decreasing to 10 to 15 knots. Bay waters slightly choppy. A chance of showers with a slight chance of thunderstorms.
Tonight
East winds around 10 knots, becoming north 20 to 25 knots after midnight. Bay waters smooth, increasing to choppy after midnight. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight.
Sunday
North winds 20 to 25 knots, diminishing to around 20 knots in the afternoon. Bay waters rough, diminishing to choppy in the afternoon. Showers likely with a chance of thunderstorms in the morning, then a chance of showers in the afternoon.
Sunday Night
Northeast winds 15 to 20 knots with gusts up to 25 knots. Bay waters choppy.
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.
Monday Night
Northeast winds around 10 knots. Bay waters smooth to slightly choppy.
Tuesday
East winds 10 to 15 knots. Bay waters slightly choppy.
Tuesday Night
East winds 10 to 15 knots. Bay waters slightly choppy.
Wednesday
East winds 10 to 15 knots. Bay waters slightly choppy.
Wednesday Night
Southeast winds 15 to 20 knots. Bay waters choppy.