NWS Marine Forecast



 Hazardous marine condition(s):
 Small Craft Advisory
   GMZ570-201100-  Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya  River LA from 20 to 60 NM-  537 PM CDT Sun Apr 19 2026    SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE MONDAY NIGHT    TONIGHT  Northeast winds 20 to 25 knots with gusts up to 30 knots.  Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast  7 feet at 7 seconds.  MONDAY  East winds 20 to 25 knots. Seas 5 to 7 feet, occasionally  to 9 feet. Wave Detail: East 7 feet at 7 seconds.  MONDAY NIGHT  East winds 15 to 20 knots with gusts up to 25 knots.  Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet  at 7 seconds.  TUESDAY  East winds around 20 knots with gusts up to 25 knots.  Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet  at 6 seconds. A slight chance of showers in the afternoon.  TUESDAY NIGHT  Southeast winds 15 to 20 knots with gusts up to  25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail:  East 7 feet at 8 seconds. A slight chance of showers in the evening,  then a chance of showers with a slight chance of thunderstorms after  midnight.  WEDNESDAY  Southeast winds 15 to 20 knots. Seas 5 to 7 feet,  occasionally to 9 feet. Wave Detail: Southeast 6 feet at 8 seconds.  A chance of showers 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 with gusts up to  25 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail:  Southeast 8 feet at 9 seconds. A slight chance of thunderstorms in  the evening. A chance of showers.  THURSDAY  Southeast winds 15 to 20 knots. Seas 5 to 7 feet,  occasionally to 9 feet. Wave Detail: Southeast 7 feet at 9 seconds.  A slight chance of thunderstorms. A chance of showers, mainly in the  morning.  THURSDAY NIGHT  Southeast winds 15 to 20 knots. Seas 5 to 6 feet,  occasionally to 8 feet. Wave Detail: Southeast 6 feet at 8 seconds.  FRIDAY  Southeast winds 15 to 20 knots, diminishing to 10 to  15 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet.  Wave Detail: Southeast 5 feet at 7 seconds. A slight chance of  showers and thunderstorms.  FRIDAY NIGHT  Southeast winds 10 to 15 knots. Seas 3 to 5 feet,  occasionally to 6 feet.    Winds and seas higher in and near thunderstorms.    $$