Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
551 FZUS54 KLCH 111806 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 105 PM CDT Fri Jul 11 2025 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. GMZ400-120700- 105 PM CDT Fri Jul 11 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 extending across the northern Gulf will maintain light southerly flow and low seas through mid next week. Daily scattered showers and thunderstorms will continue over the coastal waters through Saturday with lower rain chances Sunday through mid next week as upper level ridging builds across the northern gulf. $$ GMZ430-120700- Sabine Lake- 105 PM CDT Fri Jul 11 2025 .TONIGHT...South winds 5 to 10 knots. Lake waters light chop. .SATURDAY...South winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .SATURDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .SUNDAY...South winds 5 to 10 knots. Lake waters light chop. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .SUNDAY NIGHT...South winds 5 to 10 knots, diminishing to around 5 knots after midnight. Lake waters light chop. .MONDAY...Southwest winds around 5 knots, becoming south in the afternoon. Lake waters light chop. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Lake waters light chop. .TUESDAY...Southwest winds around 5 knots, becoming south in the afternoon. Lake waters light chop. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...West winds around 5 knots, becoming south in the afternoon. Lake waters light chop. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ432-120700- Calcasieu Lake- 105 PM CDT Fri Jul 11 2025 .TONIGHT...South winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms early this evening. A slight chance of showers and thunderstorms late. .SATURDAY...South winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .SATURDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .SUNDAY...South winds 5 to 10 knots. Lake waters light chop. Showers with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .SUNDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .MONDAY...South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Lake waters light chop. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. .TUESDAY...Southwest winds around 5 knots, becoming south in the afternoon. Lake waters light chop. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...West winds around 5 knots, becoming south in the afternoon. Lake waters light chop. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ435-120700- Vermilion and West Cote Blanche Bays- 105 PM CDT Fri Jul 11 2025 .TONIGHT...South winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms early this evening. .SATURDAY...South winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. A slight chance of showers in the evening, then a chance of showers and thunderstorms after midnight. .SUNDAY...South winds around 5 knots. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds around 5 knots. Bay waters smooth. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. .TUESDAY...Northwest winds around 5 knots, becoming southwest in the afternoon. Bay waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...West winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY...Northwest winds around 5 knots, becoming southwest in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ GMZ436-120700- Atchafalaya and East Cote Blanche Bays- 105 PM CDT Fri Jul 11 2025 .TONIGHT...South winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms early this evening. .SATURDAY...South winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...South 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. .SUNDAY...South winds around 5 knots. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .SUNDAY NIGHT...South winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds around 5 knots. Bay waters smooth. Showers likely with a chance of thunderstorms. .MONDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. .TUESDAY...West winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...West winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Northwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...West winds around 5 knots. Bay waters smooth. 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. $$ GMZ450-120700- Coastal waters from Cameron LA to High Island TX out 20 NM- 105 PM CDT Fri Jul 11 2025 .TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds. A slight chance of showers and thunderstorms early this evening. A slight chance of showers and thunderstorms late. .SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. Showers likely with a chance of thunderstorms. .SATURDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .SUNDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight. .MONDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers. A chance of thunderstorms, mainly in the morning. .MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet. .TUESDAY...South winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...Southwest winds around 10 knots. Seas around 2 feet. .WEDNESDAY...Southwest winds 5 to 10 knots, becoming south in the afternoon. Seas around 2 feet. A slight chance of showers and thunderstorms in the morning. .WEDNESDAY NIGHT...Southwest winds around 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ452-120700- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 105 PM CDT Fri Jul 11 2025 .TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 4 seconds. A slight chance of showers and thunderstorms early this evening. A slight chance of showers and thunderstorms after midnight. .SATURDAY...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms. .SATURDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .SUNDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. Thunderstorms likely. Showers. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms after midnight. .MONDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. .WEDNESDAY...West winds 5 to 10 knots, becoming southwest in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-120700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 105 PM CDT Fri Jul 11 2025 .TONIGHT...South 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 slight chance of showers and thunderstorms early this evening. A slight chance of showers and thunderstorms after midnight. .SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 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. .SATURDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 4 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .SUNDAY...South winds around 5 knots. Seas 1 to 2 feet in the morning, then 1 foot or less. Wave Detail: South 1 foot at 3 seconds. Showers with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .SUNDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 2 seconds. A chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. .TUESDAY...West winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Northwest winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...West winds around 5 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. $$ GMZ470-120700- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 105 PM CDT Fri Jul 11 2025 .TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A slight chance of showers and thunderstorms early this evening. A chance of showers with a slight chance of thunderstorms late. .SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. Showers likely with a chance of thunderstorms. .SATURDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .SUNDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms after midnight. .MONDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of thunderstorms in the morning. A chance of showers. .MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet. .TUESDAY...South winds 5 to 10 knots. Seas around 2 feet. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .TUESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms in the morning. .WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ472-120700- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 105 PM CDT Fri Jul 11 2025 .TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A slight chance of showers this evening. A slight chance of thunderstorms. A chance of showers after midnight. .SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of showers and thunderstorms. .SATURDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .SUNDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of thunderstorms. Showers. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms after midnight. .MONDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. Showers likely with a chance of thunderstorms in the morning, then a chance of showers in the afternoon. .MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. .WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms, mainly in the morning. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-120700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 105 PM CDT Fri Jul 11 2025 .TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms early this evening. A slight chance of showers and thunderstorms after midnight. .SATURDAY...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. Showers with thunderstorms likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds around 5 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...Southwest winds around 5 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. .TUESDAY...West winds around 5 knots. Seas around 2 feet. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...West winds around 5 knots. Seas around 2 feet in the evening, then 1 foot or less. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Northwest winds around 5 knots. Seas 1 foot or less. A chance of showers. A chance of thunderstorms, mainly in the morning. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$