NWS Marine Forecast


   GMZ300-150730-  135 PM CDT Mon Sep 14 2026    .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM  including Galveston and Matagorda Bays.    Light to moderate onshore winds and 2-3 foot seas will prevail  for the next couple days. Look for some late night through early  afternoon isolated to scattered showers and thunderstorms. Look  for increasing easterly winds, building seas, and rain chances  Wednesday night into Thursday evening. Caution or Advisory  conditions could be possible. Winds and seas gradually diminish  late Friday into the weekend.    $$
   GMZ350-355-150730-  Coastal waters from Freeport to Matagorda Ship Channel TX out  20 NM-Coastal waters from High Island to Freeport TX out 20 NM-  135 PM CDT Mon Sep 14 2026    THIS AFTERNOON  South winds around 10 knots. Seas 2 to 3 feet.  Wave Detail: South 2 feet at 5 seconds. A chance of showers and  thunderstorms early, then a slight chance of showers and  thunderstorms late.  TONIGHT  South winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: Southeast 3 feet at 6 seconds.  TUESDAY  Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave  Detail: South 3 feet at 6 seconds.  TUESDAY NIGHT  Southeast winds 10 to 15 knots. Seas 2 to  3 feet. Wave Detail: Southeast 2 feet at 5 seconds.  WEDNESDAY  East winds around 10 knots, increasing to 10 to  15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail:  Southeast 2 feet at 6 seconds.  WEDNESDAY NIGHT  East winds 10 to 15 knots with gusts up to  20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at  5 seconds. A chance of showers and thunderstorms after midnight.  THURSDAY  East winds 15 to 20 knots. Seas 3 to 5 feet. Showers  and thunderstorms likely, mainly in the morning.  THURSDAY NIGHT  East winds 15 to 20 knots. Seas 3 to 5 feet.  FRIDAY  East winds 10 to 15 knots. Seas 3 to 4 feet.  FRIDAY NIGHT  East winds 10 to 15 knots, diminishing to around  10 knots after midnight. Seas 2 to 4 feet.    Winds and seas higher in and near thunderstorms.    $$