NWS Marine Forecast


   GMZ300-051315-  734 PM CDT Sat Oct 4 2025    .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM  including Galveston and Matagorda Bays.    Scattered showers and isolated thunderstorms will continue over  the coastal waters through the weekend with the greatest coverage  likely staying in the offshore waters. Small craft should exercise  caution in the bays as easterly winds of 15 to 20 knots with  choppy waters. A Small Craft Advisory has been issued for the  Gulf waters this evening through early Sunday morning as frequent  wind gusts to 25 knots are expected and locally higher seas of 6  to 8 feet are possible. Conditions are expected to improve Sunday  afternoon into Monday, though small crafts will need to excercise  caution.    $$
   GMZ330-051315-  Matagorda Bay-  734 PM CDT Sat Oct 4 2025    SMALL CRAFT SHOULD EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT  SUNDAY    REST OF TONIGHT  East winds 15 to 20 knots, becoming northeast  around 15 knots. Bay waters choppy, diminishing to slightly  choppy. A slight chance of showers.  SUNDAY  Northeast winds 10 to 15 knots, becoming east in the  afternoon. Bay waters slightly choppy. A slight chance of  showers.  SUNDAY NIGHT  East winds 10 to 15 knots, diminishing to around  10 knots after midnight. Bay waters slightly choppy, diminishing  to smooth after midnight.  MONDAY  East winds 5 to 10 knots, becoming southeast in the  afternoon. Bay waters smooth, increasing to smooth to slightly  choppy in the afternoon.  MONDAY NIGHT  Southeast winds 5 to 10 knots. Bay waters smooth.  TUESDAY  East winds around 10 knots, increasing to 10 to  15 knots in the afternoon. Bay waters smooth, increasing to  slightly choppy in the afternoon. A chance of showers.  TUESDAY NIGHT  East winds 10 to 15 knots. Bay waters slightly  choppy. A chance of showers after midnight.  WEDNESDAY  Northeast winds 10 to 15 knots. Bay waters slightly  choppy. A chance of showers.  WEDNESDAY NIGHT  East winds 10 to 15 knots. Bay waters slightly  choppy. A chance of showers in the evening.  THURSDAY  Northeast winds around 15 knots. Bay waters slightly  choppy. A chance of showers in the afternoon.  THURSDAY NIGHT  East winds 10 to 15 knots. Bay waters slightly  choppy.    $$