Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM GMZ455

 
 GMZ400-232100-
 309 AM CDT Sat May 23 2026
 
 .Synopsis for Lower Atchafalaya River LA to High Island TX out
 60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote
 Blanche Bays...
 
 Onshore flow will persist until at least the middle of next week,
 with winds between 5 and 15 knots. Waves will be wind-driven and
 should remain below 4 feet. Widespread showers and thunderstorms
 will remain a concern for the remainder of the forecast; however,
 most significant weather impacts will be felt onshore due to heavy
 rain.
 
 
 $$



 
 GMZ455-232100-
 Coastal waters from Lower Atchafalaya River to Intracoastal City
 LA out 20 NM-
 309 AM CDT Sat May 23 2026
 

 TODAY
 South winds 5 to 10 knots. Seas 1 foot or less. Wave
 Detail: South 1 foot at 4 seconds. A chance of showers and
 thunderstorms late this morning and afternoon.

 TONIGHT
 Southeast winds 5 to 10 knots. Seas 1 foot or less,
 then around 2 feet after midnight. Wave Detail: South 1 foot at
 3 seconds. A chance of thunderstorms. A slight chance of showers
 in the evening, then showers likely after midnight.

 SUNDAY
 South winds around 10 knots. Seas around 2 feet. Wave
 Detail: South 2 feet at 3 seconds. Showers with a chance of
 thunderstorms.

 SUNDAY NIGHT
 Southeast winds around 10 knots. Seas around
 2 feet. Wave Detail: South 1 foot at 4 seconds. Showers likely
 with a slight chance of thunderstorms in the evening, then
 showers with a chance of thunderstorms after midnight.

 MONDAY
 South winds 5 to 10 knots. Seas around 2 feet. Wave
 Detail: South 1 foot at 3 seconds and south 1 foot at 6 seconds.
 A chance of thunderstorms. Showers, mainly in the morning.

 MONDAY NIGHT
 Southeast winds 5 to 10 knots. Seas around
 2 feet. A slight chance of showers and thunderstorms in the
 evening, then a chance of showers and thunderstorms after
 midnight.

 TUESDAY
 South winds 5 to 10 knots. Seas around 2 feet. A
 chance of thunderstorms. Showers likely, mainly in the morning.

 TUESDAY NIGHT
 Southeast winds around 10 knots. Seas around
 2 feet. A slight chance of showers and thunderstorms after
 midnight.

 WEDNESDAY
 Southeast winds around 10 knots. Seas around 2 feet.
 A chance of thunderstorms. A chance of showers in the morning,
 then showers likely in the afternoon.

 WEDNESDAY NIGHT
 South winds around 10 knots. Seas around
 2 feet. Showers likely. A slight chance of thunderstorms in the
 evening, then a chance of thunderstorms after midnight.
 
 Winds and seas higher in and near thunderstorms.
 
 $$