NWS Marine Forecast


   GMZ400-070600-  1155 AM CST Sat Dec 6 2025    .Synopsis for Lower Atchafalaya River LA to High Island TX out  60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote  Blanche Bays...    The low water advisory continues until 6 PM this evening as low  water levels during low tide have been -1.5 ft below MLLW. After  this tide cycle, onshore winds and less impactful tides will keep  water levels above advisory levels. Tonight, conditions will be  favorable for dense fog with visibilities on inland lakes and bays  dropping below 1 mile from 06Z to 12Z.    A Small Craft Advisory will likely Sunday night and into Monday as  another cold front will move across the Gulf with offshore winds  between 15 and 20 knots.    $$
   GMZ455-070600-  Coastal waters from Lower Atchafalaya River to Intracoastal City  LA out 20 NM-  1155 AM CST Sat Dec 6 2025    TONIGHT  Southeast winds around 5 knots. Seas 1 foot or less.  Wave Detail: East 1 foot at 2 seconds. A chance of showers.  Patchy fog late this evening and early morning.  SUNDAY  East winds around 5 knots, becoming west in the  afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at  2 seconds. Patchy dense fog in the morning. A chance of showers  with a slight chance of thunderstorms.  SUNDAY NIGHT  Northwest winds 10 to 15 knots, becoming north  15 to 20 knots after midnight. Seas 1 to 2 feet, building to 2 to  3 feet after midnight. Wave Detail: Northwest 2 feet at  3 seconds, becoming north 2 feet at 3 seconds. A chance of  showers in the evening.  MONDAY  North winds 15 to 20 knots with gusts up to 25 knots.  Seas 2 to 3 feet. Wave Detail: North 2 feet at 3 seconds.  MONDAY NIGHT  Northeast winds 10 to 15 knots. Seas around  2 feet. Wave Detail: North 2 feet at 3 seconds.  TUESDAY  Northeast winds 5 to 10 knots, becoming east in the  afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at  3 seconds.  TUESDAY NIGHT  South winds around 5 knots, increasing to 5 to  10 knots after midnight. Seas 1 foot or less.  WEDNESDAY  Southwest winds 5 to 10 knots. Seas 1 foot or less.  WEDNESDAY NIGHT  Southwest winds 5 to 10 knots. Seas 1 foot or  less, then around 2 feet after midnight. A slight chance of  showers after midnight.  THURSDAY  Southwest winds 10 to 15 knots. Seas around 2 feet. A  chance of sprinkles in the morning.  THURSDAY NIGHT  Southwest winds 5 to 10 knots, becoming  northwest after midnight. Seas around 2 feet. A chance of  showers.    Winds and seas higher in and near thunderstorms.    $$