NWS Marine Forecast


   GMZ300-260715-  155 PM CDT Tue Aug 25 2026    .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM  including Galveston and Matagorda Bays.    South to southwest winds 10 to 15 kt can be expected through  Thursday with seas generally 1 to 3 feet. Isolated showers are  expected through tomorrow with storm chances increasing Thursday  and Friday. Otherwise low rain/storm chances will continue into  next week.    $$
   GMZ335-260715-  Galveston Bay-  155 PM CDT Tue Aug 25 2026    THIS AFTERNOON  South winds 5 to 10 knots. Bay waters smooth.  TONIGHT  South winds 10 to 15 knots. Bay waters slightly  choppy.  WEDNESDAY  West winds around 10 knots, becoming south 10 to  15 knots in the afternoon. Bay waters smooth, increasing to  slightly choppy in the afternoon.  WEDNESDAY NIGHT  Southwest winds 10 to 15 knots. Bay waters  slightly choppy.  THURSDAY  Southwest winds 5 to 10 knots. Bay waters smooth.  THURSDAY NIGHT  South winds 10 to 15 knots, becoming southwest  around 10 knots after midnight. Bay waters slightly choppy,  diminishing to smooth after midnight. A chance of showers and  thunderstorms after midnight.  FRIDAY  West winds 5 to 10 knots, becoming south in the  afternoon. Bay waters smooth.  FRIDAY NIGHT  South winds 5 to 10 knots, becoming southwest  after midnight. Bay waters smooth.  SATURDAY  Northeast winds around 5 knots, becoming southeast in  the afternoon. Bay waters smooth.  SATURDAY NIGHT  South winds 5 to 10 knots. Bay waters smooth.    Winds and waves higher in and near thunderstorms.    $$