FZUS54 KLCH 222009 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 309 PM CDT Sat Aug 22 2026 Coastal waters from the Lower Atchafalaya River LA to High Island TX out 60 nautical miles including Sabine and Calcasieu Lakes and Vermilion and Cote Blanche Bays Seas are provided as a range of the average height of the highest one third of the waves, along with the occasional height of the average highest ten percent of the waves. GMZ400-230900- 309 PM CDT Sat Aug 22 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... Light onshore winds will continue for the next several days, and seas will range occasionally up to 2 feet. $$ GMZ430-230900- Sabine Lake- 309 PM CDT Sat Aug 22 2026 .TONIGHT...Southwest winds 5 to 10 knots, becoming west late. Lake waters light chop. A slight chance of showers and thunderstorms early this evening. .SUNDAY...West winds around 5 knots, becoming south in the afternoon. Lake waters light chop. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. .MONDAY...Southwest winds 5 to 10 knots. Lake waters light chop. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. .TUESDAY...Southwest winds 5 to 10 knots. Lake waters light chop. .TUESDAY NIGHT...Southwest winds 10 to 15 knots. Lake waters choppy. .WEDNESDAY...Southwest winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY NIGHT...Southwest winds around 10 knots. Lake waters light chop. .THURSDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ432-230900- Calcasieu Lake- 309 PM CDT Sat Aug 22 2026 .TONIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms early this evening. .SUNDAY...West winds around 5 knots, becoming southwest in the afternoon. Lake waters light chop. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. .MONDAY...Southwest winds 5 to 10 knots. Lake waters light chop. .MONDAY NIGHT...Southwest winds around 10 knots. Lake waters light chop. .TUESDAY...Southwest winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Lake waters choppy. .TUESDAY NIGHT...Southwest winds 10 to 15 knots. Lake waters choppy. .WEDNESDAY...Southwest winds 10 to 15 knots. Lake waters choppy. .WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Lake waters choppy. .THURSDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ GMZ435-230900- Vermilion and West Cote Blanche Bays- 309 PM CDT Sat Aug 22 2026 .TONIGHT...West winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms early this evening. .SUNDAY...Northwest winds around 5 knots, becoming southwest in the afternoon. Bay waters light chop. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the evening. .MONDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. .TUESDAY...Southwest winds 5 to 10 knots. Bay waters light chop..TUESDAY NIGHT...Southwest winds around 10 knots. Bay waters light chop. .WEDNESDAY...Southwest winds around 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southwest winds around 10 knots. Bay waters light chop. .THURSDAY...West winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-230900- Atchafalaya and East Cote Blanche Bays- 309 PM CDT Sat Aug 22 2026 .TONIGHT...West winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms early this evening. .SUNDAY...Northwest winds 5 to 10 knots, becoming west in the afternoon. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the evening. .MONDAY...West winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. .TUESDAY...West winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY...West winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms after midnight. .THURSDAY...West winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ450-230900- Coastal waters from Cameron LA to High Island TX out 20 NM- 309 PM CDT Sat Aug 22 2026 .TONIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. .SUNDAY...West winds 5 to 10 knots, becoming southwest 10 to 15 knots in the afternoon. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. .SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. .MONDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. .MONDAY NIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. .TUESDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. .TUESDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY NIGHT...Southwest winds around 15 knots. Seas 2 to 3 feet. .THURSDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ452-230900- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 309 PM CDT Sat Aug 22 2026 .TONIGHT...West winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. .SUNDAY...Northwest winds 5 to 10 knots, becoming southwest in the afternoon. Seas around 2 feet. Wave Detail: West 2 feet at 4 seconds. .SUNDAY NIGHT...Southwest winds 10 to 15 knots. Seas around2 feet. Wave Detail: Southwest 2 feet at 4 seconds. .MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southwest 2 feet at 4 seconds, becoming southwest 1 foot at 4 seconds. .MONDAY NIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. .TUESDAY...Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. .TUESDAY NIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. .THURSDAY...West winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-230900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 309 PM CDT Sat Aug 22 2026 .TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. .SUNDAY...Northwest winds 5 to 10 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. .MONDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. .TUESDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. .WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers and thunderstorms after midnight. .THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-230900- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 309 PM CDT Sat Aug 22 2026 .TONIGHT...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. .SUNDAY...West winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southwest 2 feet at 4 seconds, becoming southwest 1 foot at 4 seconds. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: Southwest 1 foot at 4 seconds, becoming southwest 2 feet at 4 seconds. .MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southwest 2 feet at 4 seconds, becoming southwest 1 foot at 4 seconds. .MONDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. .TUESDAY NIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY...Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet. .WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet. .THURSDAY...Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet. .THURSDAY NIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-230900- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 309 PM CDT Sat Aug 22 2026 .TONIGHT...West winds around 10 knots. Seas around 2 feet. Wave Detail: West 2 feet at 4 seconds. .SUNDAY...West winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: West 2 feet at 4 seconds, becoming west 1 foot at 4 seconds. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: Southwest 1 foot at 4 seconds, becoming southwest 2 feet at 4 seconds. .MONDAY...West winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southwest 2 feet at 4 seconds, becoming southwest 1 foot at 4 seconds. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: Southwest 1 foot at 4 seconds, becoming southwest 2 feet at 3 seconds. .TUESDAY...West winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southwest 2 feet at 4 seconds, becoming southwest 1 foot at 4 seconds. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas around 2 feet. .THURSDAY...Southwest winds 10 to 15 knots, becoming west 5 to 10 knots in the afternoon. Seas around 2 feet. A chance of showers and thunderstorms, mainly in the morning. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-230900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 309 PM CDT Sat Aug 22 2026 .TONIGHT...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: West 2 feet at 4 seconds. .SUNDAY...Northwest winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Northwest 2 feet at 4 seconds, becoming west 1 foot at 4 seconds. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. .MONDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. .TUESDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. .WEDNESDAY...West 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. .THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$