NWS Marine Forecast


   GMZ300-251430-  733 PM CST Mon Nov 24 2025    .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM  including Galveston and Matagorda Bays.    A line of strong to severe thunderstorms is making its way  through SE Texas and will be moving through the coastal waters  through the overnight hours. The chance of strong to severe  thunderstorms diminishes after 1 or 2am, but isolated activity  will linger through sunrise. A push of cool, dry air will move  into the waters late Tuesday night and early Wednesday morning  ushering in north winds around 20 to 25 knots with gusts of  around 30 knots as this occurs along with building seas. Small  Craft Advisories will be required. Onshore winds resume and  increase later in the week.    $$
   GMZ350-355-251430-  Coastal waters from Freeport to Matagorda Ship Channel TX out  20 NM-Coastal waters from High Island to Freeport TX out 20 NM-  733 PM CST Mon Nov 24 2025    REST OF TONIGHT  South winds 10 to 15 knots with gusts up to  20 knots. Seas 3 to 5 feet. Wave Detail: South 5 feet at  6 seconds. A chance of showers and thunderstorms overnight.  TUESDAY  West winds 5 to 10 knots. Seas 2 to 4 feet. Wave  Detail: South 4 feet at 6 seconds. A chance of showers and  thunderstorms in the morning.  TUESDAY NIGHT  Northeast winds around 15 knots, increasing to  20 to 25 knots with gusts up to 30 knots after midnight. Seas  2 to 4 feet. Wave Detail: Northeast 3 feet at 3 seconds and south  3 feet at 6 seconds.  WEDNESDAY  Northeast winds 20 to 25 knots, diminishing to  around 20 knots in the afternoon. Seas 3 to 5 feet. Wave Detail:  East 4 feet at 5 seconds.  WEDNESDAY NIGHT  Northeast winds 15 to 20 knots with gusts up  to 25 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at  6 seconds.  THURSDAY  Northeast winds 15 to 20 knots with gusts up to  25 knots. Seas 3 to 5 feet. Wave Detail: East 5 feet at  6 seconds.  THURSDAY NIGHT  East winds 15 to 20 knots. Seas 3 to 4 feet.  FRIDAY  East winds 15 to 20 knots. Seas 3 to 5 feet.  FRIDAY NIGHT  Southeast winds 20 to 25 knots. Seas 5 to 7 feet,  occasionally to 9 feet. A chance of showers after midnight.  SATURDAY  Southeast winds 20 to 25 knots. Seas 5 to 7 feet,  occasionally to 9 feet. A chance of showers.  SATURDAY NIGHT  Southeast winds 20 to 25 knots. Seas 5 to  7 feet, occasionally to 9 feet. Showers likely in the evening,  then showers likely with a chance of thunderstorms after  midnight.    Winds and seas higher in and near thunderstorms.    $$