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San Antonio, Mesquite, and Espiritu Santo Bays Marine Forecast

Updated 1:28am CDT Aug 27, 2026
Zone Map
Today
Southwest winds 5 to 10 knots, becoming south this afternoon. Bay and inland waters smooth.
Tonight
South winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.
Friday
Southwest winds around 5 knots, becoming southeast in the afternoon. Bay and inland waters smooth. A slight chance of showers and thunderstorms.
Friday Night
Southeast winds 5 to 10 knots, becoming south after midnight. Bay and inland waters smooth.
Saturday
Southeast winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Bay and inland waters smooth. A slight chance of showers and thunderstorms in the morning.
Saturday Night
Southeast winds 5 to 10 knots. Bay and inland waters smooth.
Sunday
South winds around 5 knots, becoming southeast in the afternoon. Bay and inland waters smooth.
Sunday Night
Southeast winds 5 to 10 knots. Bay and inland waters smooth.
Monday
South winds 5 to 10 knots. Bay and inland waters smooth.
Monday Night
Southeast winds 10 to 15 knots, becoming south 5 to 10 knots after midnight. Bay and inland waters slightly choppy to occasionally choppy.