NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   GMZ450-190900-  Coastal waters from Cameron LA to High Island TX out 20 NM-  309 PM CDT Sat Apr 18 2026    SMALL CRAFT ADVISORY IN EFFECT FROM 1 AM CDT SUNDAY THROUGH  SUNDAY EVENING    TONIGHT  Southwest winds 5 to 10 knots, becoming north 15 to  20 knots late this evening, then increasing to 25 to 30 knots  after midnight. Seas around 2 feet, building to 3 to 5 feet,  occasionally to 6 feet after midnight. Wave Detail: South 2 feet  at 5 seconds, becoming north 5 feet at 4 seconds and west 2 feet  at 5 seconds. Showers with a chance of thunderstorms.  SUNDAY  Northeast winds 25 to 30 knots, diminishing to 20 to  25 knots in the afternoon. Seas 4 to 6 feet, occasionally to  8 feet. Wave Detail: Northeast 6 feet at 5 seconds and south  1 foot at 5 seconds. A chance of showers in the morning.  SUNDAY NIGHT  Northeast winds 15 to 20 knots. Seas 2 to 4 feet.  Wave Detail: Northeast 4 feet at 5 seconds.  MONDAY  East winds 15 to 20 knots. Seas 2 to 4 feet. Wave  Detail: East 4 feet at 5 seconds. A slight chance of showers in  the afternoon.  MONDAY NIGHT  East winds 10 to 15 knots. Seas 2 to 3 feet. Wave  Detail: Southeast 3 feet at 4 seconds. A slight chance of showers  after midnight.  TUESDAY  Southeast winds around 15 knots. Seas 2 to 3 feet.  Wave Detail: Southeast 3 feet at 4 seconds. A chance of showers.  A slight chance of thunderstorms in the afternoon.  TUESDAY NIGHT  Southeast winds 15 to 20 knots. Seas 2 to  3 feet. A chance of thunderstorms. A chance of showers.  WEDNESDAY  Southeast winds 10 to 15 knots. Seas 2 to 3 feet.  Showers likely with a slight chance of thunderstorms in the  morning, then a chance of showers and thunderstorms in the  afternoon.  WEDNESDAY NIGHT  Southeast winds 15 to 20 knots. Seas 3 to  4 feet. A slight chance of thunderstorms in the evening. A slight  chance of showers.  THURSDAY  Southeast winds 15 to 20 knots. Seas 3 to 4 feet. A  slight chance of showers and thunderstorms.  THURSDAY NIGHT  Southeast winds 15 to 20 knots. Seas 3 to  4 feet.    Winds and seas higher in and near thunderstorms.    $$