Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
443 FZUS54 KLCH 100533 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1233 AM CDT Thu Jul 10 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. GMZ400-101800- 1233 AM CDT Thu Jul 10 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 slightly lower rain chances Sunday through mid next week as upper level ridging builds across the northern gulf. $$ GMZ430-101800- Sabine Lake- 1233 AM CDT Thu Jul 10 2025 .TODAY...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of thunderstorms. .TONIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of thunderstorms with a slight chance of showers in the evening. .FRIDAY...South winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .FRIDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms after midnight. .SATURDAY...South winds 5 to 10 knots. Lake waters light chop. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .SATURDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms after midnight. .SUNDAY...South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Lake waters light chop. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .MONDAY...Southwest winds around 5 knots, becoming south in the afternoon. Lake waters light chop. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ432-101800- Calcasieu Lake- 1233 AM CDT Thu Jul 10 2025 .TODAY...West winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms this morning, then showers and thunderstorms likely this afternoon. .TONIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms in the evening. .FRIDAY...South winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .FRIDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms after midnight. .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 after midnight. .SUNDAY...South winds 5 to 10 knots. Lake waters light chop. Showers likely with a chance of thunderstorms. .SUNDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ435-101800- Vermilion and West Cote Blanche Bays- 1233 AM CDT Thu Jul 10 2025 .TODAY...West winds 5 to 10 knots. Bay waters light chop. A chance of thunderstorms this morning. Showers likely. Thunderstorms likely this afternoon. .TONIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms, mainly in the evening. .FRIDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .FRIDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms after midnight. .SATURDAY...South winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .SATURDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms after midnight. .SUNDAY...South winds around 5 knots. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .SUNDAY NIGHT...South winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-101800- Atchafalaya and East Cote Blanche Bays- 1233 AM CDT Thu Jul 10 2025 .TODAY...West winds 5 to 10 knots. Bay waters light chop. Showers likely with a chance of thunderstorms this morning, then showers and thunderstorms likely this afternoon. .TONIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms, mainly in the evening. .FRIDAY...Southwest winds around 5 knots. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .FRIDAY NIGHT...South winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. .SATURDAY...South winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .SATURDAY NIGHT...South 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. .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. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .MONDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ450-101800- Coastal waters from Cameron LA to High Island TX out 20 NM- 1233 AM CDT Thu Jul 10 2025 .TODAY...Southwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms. .TONIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. A slight chance of showers and thunderstorms. .FRIDAY...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. A chance of showers and thunderstorms, mainly in the morning. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. A chance of showers and thunderstorms after midnight. .SATURDAY...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. Showers likely with a chance of thunderstorms. .SATURDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms after midnight. .SUNDAY...South winds 5 to 10 knots. Seas around 2 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...South winds around 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. .MONDAY...South winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-101800- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1233 AM CDT Thu Jul 10 2025 .TODAY...West winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms early this morning, then showers and thunderstorms likely late this morning and early afternoon. A chance of showers and thunderstorms late. .TONIGHT...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms, mainly in the evening. .FRIDAY...South winds around 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. A chance of showers and thunderstorms. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. A chance of showers and thunderstorms after midnight. .SATURDAY...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .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. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .MONDAY 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. $$ GMZ455-101800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1233 AM CDT Thu Jul 10 2025 .TODAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. A chance of thunderstorms. Showers likely, mainly this morning. .TONIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. A chance of showers and thunderstorms, mainly in the evening. .FRIDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: South 1 foot at 3 seconds. A chance of showers and thunderstorms after midnight. .SATURDAY...South winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: South 1 foot at 3 seconds, becoming south 1 foot at 5 seconds. Showers likely with a chance of thunderstorms. .SATURDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: South 1 foot at 5 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .SUNDAY...South winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-101800- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1233 AM CDT Thu Jul 10 2025 .TODAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late. .TONIGHT...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. .FRIDAY...South winds around 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. .FRIDAY NIGHT...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 after midnight. .SATURDAY...South winds around 10 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 2 feet at 5 seconds. A chance of showers and thunderstorms after midnight. .SUNDAY...South winds around 10 knots. Seas around 2 feet. Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .SUNDAY NIGHT...South winds around 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. .MONDAY...South winds 5 to 10 knots. Seas around 2 feet. A chance of showers. A chance of thunderstorms, mainly in the morning. .MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-101800- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1233 AM CDT Thu Jul 10 2025 .TODAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 5 seconds. A chance of thunderstorms. .TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers. A slight chance of thunderstorms after midnight. .FRIDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms after midnight. .SATURDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. Showers likely with a chance of thunderstorms. .SATURDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .SUNDAY...South winds 5 to 10 knots. Seas around 2 feet. A chance of thunderstorms. Showers, mainly in the morning. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms after midnight. .MONDAY...South winds 5 to 10 knots. Seas around 2 feet. Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-101800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1233 AM CDT Thu Jul 10 2025 .TODAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 1 foot at 4 seconds. A chance of thunderstorms. .TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 3 seconds and south 1 foot at 6 seconds. A chance of showers in the evening, then a slight chance of showers and thunderstorms after midnight. .FRIDAY...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. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. A chance of showers and thunderstorms after midnight. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. Showers likely with a chance of thunderstorms. .SATURDAY NIGHT...Southeast winds 5 to 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. A chance of thunderstorms. Showers, mainly in the morning. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds around 5 knots. Seas around 2 feet. 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...South 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. Winds and seas higher in and near thunderstorms. $$