NWS Marine Forecast


   GMZ400-170600-  1236 PM CDT Wed Jul 16 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...    Weak high pressure across the northwestern Gulf will maintain  light onshore winds and low seas through tonight afternoon. Winds  will turn offshore Thursday as a weak tropical disturbance  approaches the coastal waters from the east before turning back  onshore Friday. There is a 40% chance of this disturbance  strengthening into a tropical depression. Regardless of  development, widespread rain is expected Thursday through  Saturday.      $$
   GMZ450-170600-  Coastal waters from Cameron LA to High Island TX out 20 NM-  1236 PM CDT Wed Jul 16 2025    TONIGHT  Southwest winds 5 to 10 knots, becoming west late.  Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds.  THURSDAY  Northwest winds 5 to 10 knots, becoming southwest in  the afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot  at 4 seconds. A slight chance of showers and thunderstorms in the  morning, then a chance of showers and thunderstorms in the  afternoon.  THURSDAY NIGHT  Southwest winds around 10 knots. Seas 1 foot or  less. Wave Detail: South 1 foot at 4 seconds. A chance of  thunderstorms. A chance of showers in the evening, then showers  after midnight.  FRIDAY  Southwest winds around 10 knots. Seas around 2 feet in  the morning, then 1 foot or less. Wave Detail: Southwest 1 foot  at 4 seconds. A chance of thunderstorms. Showers.  FRIDAY NIGHT  South winds 10 to 15 knots. Seas around 2 feet.  Wave Detail: South 2 feet at 3 seconds. A slight chance of  showers and thunderstorms in the evening, then a chance of  showers and thunderstorms after midnight.  SATURDAY  Southwest winds around 10 knots. Seas around 2 feet.  Wave Detail: Southwest 2 feet at 4 seconds. A chance of showers  and thunderstorms, mainly in the morning.  SATURDAY NIGHT  South winds around 10 knots. Seas around  2 feet.  SUNDAY  South winds around 10 knots. Seas around 2 feet. A  slight chance of showers and thunderstorms in the morning.  SUNDAY NIGHT  South winds around 10 knots. Seas around 2 feet.  MONDAY  South winds around 10 knots. Seas around 2 feet. A  slight chance of showers and thunderstorms in the morning.  MONDAY NIGHT  South winds around 10 knots. Seas around 2 feet.    Winds and seas higher in and near thunderstorms.    $$