NWS Marine Forecast


   GMZ300-040015-  622 AM CDT Wed Sep 3 2025    .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM  including Galveston and Matagorda Bays.    Light winds and low seas will remain through early this weekend.  Rain chances decrease significantly by the middle of the week,  though a few isolated morning showers and storms will be possible.  Rain and storm chances increase over the weekend into early next  week.      $$
   GMZ335-040015-  Galveston Bay-  622 AM CDT Wed Sep 3 2025    TODAY  Northwest winds around 5 knots, becoming south late. Bay  waters smooth. A slight chance of showers and thunderstorms late.  TONIGHT  Southwest winds around 5 knots. Bay waters smooth. A  slight chance of showers and thunderstorms in the evening.  THURSDAY  West winds around 5 knots, becoming south in the  afternoon. Bay waters smooth.  THURSDAY NIGHT  South winds around 10 knots. Bay waters smooth  to slightly choppy.  FRIDAY  South winds 5 to 10 knots. Bay waters smooth.  FRIDAY NIGHT  Southeast winds 5 to 10 knots. Bay waters smooth.  SATURDAY  Southeast winds 5 to 10 knots. Bay waters smooth. A  chance of showers and thunderstorms in the afternoon.  SATURDAY NIGHT  Southeast winds 5 to 10 knots. Bay waters  smooth. A chance of showers after midnight.  SUNDAY  East winds 5 to 10 knots. Bay waters smooth. A chance  of thunderstorms. A chance of showers in the morning, then  showers likely in the afternoon.  SUNDAY NIGHT  East winds around 10 knots. Bay waters smooth to  slightly choppy. A chance of thunderstorms. A chance of showers.    Winds and waves higher in and near thunderstorms.    $$