NWS Marine Forecast


   GMZ300-010615-  1211 PM CDT Sun Aug 31 2025    .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM  including Galveston and Matagorda Bays.    A weak frontal boundary gradually moving southward across  Southeast Texas, will continue to bring scattered to widespread  showers and thunderstorms to the region through Monday. Some of  the stronger storms will be capable of producing locally heavy  rainfall. Winds outside of storms will generally be light and  variable. However, locally stronger winds in the vicinity of  thunderstorms should be expected. Additionally, the environment  will continue to be supportive of isolated waterspouts today.  While rain chances should dwindle inland, daily isolated to  scattered showers and storms may persist over the Gulf through  mid-week.    $$
   GMZ370-375-010615-  Waters from Freeport to Matagorda Ship Channel TX from 20 to  60 NM-Waters from High Island to Freeport TX from 20 to 60 NM-  1211 PM CDT Sun Aug 31 2025    THIS AFTERNOON  Northeast winds 5 to 10 knots. Seas 1 foot or  less. Wave Detail: Northeast 1 foot at 2 seconds and south 1 foot  at 4 seconds. A chance of showers and thunderstorms.  TONIGHT  East winds 5 to 10 knots. Seas 1 foot or less. Wave  Detail: Northeast 1 foot at 3 seconds and south 1 foot at  4 seconds. A chance of showers and thunderstorms in the evening,  then showers and thunderstorms likely after midnight.  MONDAY  Northeast winds 5 to 10 knots. Seas 1 foot or less.  Wave Detail: Northeast 1 foot at 3 seconds. Showers and  thunderstorms likely, mainly in the morning.  MONDAY NIGHT  East winds 5 to 10 knots. Seas 1 foot or less,  then around 2 feet after midnight. Wave Detail: East 1 foot at  3 seconds. A chance of showers and thunderstorms in the evening,  then showers and thunderstorms likely after midnight.  TUESDAY  Northeast winds around 10 knots. Seas around 2 feet.  Wave Detail: Northeast 2 feet at 3 seconds. Showers and  thunderstorms likely in the morning.  TUESDAY NIGHT  East winds 5 to 10 knots. Seas around 2 feet.  WEDNESDAY  North winds 5 to 10 knots. Seas around 2 feet.  WEDNESDAY NIGHT  Southeast winds 5 to 10 knots, becoming  southwest after midnight. Seas 1 foot or less.  THURSDAY  Northwest winds 5 to 10 knots, becoming north in the  afternoon. Seas 1 foot or less.  THURSDAY NIGHT  Southeast winds 5 to 10 knots. Seas 1 foot or  less.    Winds and seas higher in and near thunderstorms.    $$