GMZ300-191415-
 849 PM CDT Sat Apr 18 2026
 
 .Synopsis For High Island to the Matagorda Ship Channel Out 60 NM
 including Galveston and Matagorda Bays.
 
 Lingering showers and isolated storms will continue into early
 Sunday morning in the wake of a cold front. Hazardous marine
 conditions are expected into early Sunday afternoon due to the
 strong northeasterly winds and building seas developing behind the
 cold front. There will be a chance for gusts to gale in the Bays
 late tonight into early Sunday morning with gale conditions
 expected in the Gulf Waters. Winds will lower through the day on
 Sunday, but seas may remain elevated into Sunday night. Water
 levels are expected to remain near 3.0 feet above Mean Lower Low
 Water during high tide cycles going into early next week.
 
 $$



   GMZ350-355-191415-  Coastal waters from Freeport to Matagorda Ship Channel TX out  20 NM-Coastal waters from High Island to Freeport TX out 20 NM-  849 PM CDT Sat Apr 18 2026    GALE WARNING IN EFFECT THROUGH SUNDAY AFTERNOON    REST OF TONIGHT  North winds around 15 knots, becoming  northeast around 30 knots. Seas 2 to 4 feet, building to 4 to  6 feet, occasionally to 8 feet. Wave Detail: South 2 feet at  6 seconds, becoming northeast 3 feet at 3 seconds. A chance of  showers early this evening. A chance of thunderstorms. Showers  likely.  SUNDAY  Northeast winds around 30 knots, diminishing to 20 to  25 knots in the afternoon. Seas 5 to 8 feet, occasionally to  10 feet. Wave Detail: Northeast 6 feet at 5 seconds and south  1 foot at 6 seconds. A chance of showers with a slight chance of  thunderstorms in the morning.  SUNDAY NIGHT  Northeast winds 20 to 25 knots, becoming east  around 20 knots after midnight. Seas 4 to 6 feet, occasionally to  8 feet. Wave Detail: East 6 feet at 7 seconds. A chance of  showers after midnight.  MONDAY  East winds 15 to 20 knots with gusts up to 25 knots.  Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East  5 feet at 7 seconds. A chance of showers.  MONDAY NIGHT  East winds around 15 knots. Seas 3 to 5 feet. A  chance of showers.  TUESDAY  Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A  chance of showers in the morning, then showers likely with a  chance of thunderstorms in the afternoon.  TUESDAY NIGHT  Southeast winds 15 to 20 knots, diminishing to  around 15 knots after midnight. Seas 3 to 4 feet. A chance of  showers and thunderstorms.  WEDNESDAY  Southeast winds 10 to 15 knots. Seas 2 to 4 feet. A  chance of thunderstorms. Showers likely, mainly in the morning.  WEDNESDAY NIGHT  Southeast winds 15 to 20 knots. Seas 2 to  4 feet.  THURSDAY  Southeast winds 15 to 20 knots. Seas 3 to 4 feet.  THURSDAY NIGHT  Southeast winds 15 to 20 knots. Seas 3 to  5 feet.    Winds and seas higher in and near thunderstorms.    $$