Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
387 FZUS54 KLCH 261743 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1243 PM CDT Sat Jul 26 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. GMZ400-270600- 1243 PM CDT Sat Jul 26 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... Winds will be light and onshore through the period as high pressure remains over the northern gulf coast. A few showers and storms will be possible into Sunday, however rain chances will be low during early week. $$ GMZ430-270600- Sabine Lake- 1243 PM CDT Sat Jul 26 2025 .TONIGHT...South winds 5 to 10 knots. Lake waters light chop. .SUNDAY...Southeast winds around 5 knots, becoming south in the afternoon. Lake waters light chop. A chance of showers and thunderstorms. .SUNDAY NIGHT...South winds around 5 knots. Lake waters smooth. .MONDAY...Light and variable winds, becoming south around 5 knots in the afternoon. Lake waters smooth. .MONDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. .TUESDAY...Northwest winds around 5 knots. Lake waters smooth. .TUESDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...West winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...West winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ432-270600- Calcasieu Lake- 1243 PM CDT Sat Jul 26 2025 .TONIGHT...South winds 5 to 10 knots. Lake waters light chop. .SUNDAY...Southeast winds 5 to 10 knots. Lake waters light chop. A chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SUNDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .MONDAY...Light and variable winds, becoming south around 5 knots in the afternoon. Lake waters smooth. .MONDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. .TUESDAY...Northwest winds around 5 knots. Lake waters smooth. .TUESDAY NIGHT...West winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms after midnight. .WEDNESDAY...West winds around 5 knots. Lake waters smooth. A chance of thunderstorms. A chance of showers. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...West winds around 5 knots. Lake waters smooth. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...Southwest 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. Winds and waves higher in and near thunderstorms. $$ GMZ435-270600- Vermilion and West Cote Blanche Bays- 1243 PM CDT Sat Jul 26 2025 .TONIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms early this evening. .SUNDAY...Southeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. .MONDAY...Northwest winds around 5 knots. Bay waters smooth. .MONDAY NIGHT...West winds 5 to 10 knots. Bay waters light chop. .TUESDAY...Northwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...West winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...Northwest winds 5 to 10 knots, becoming west in the afternoon. Bay waters light chop. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .THURSDAY...West winds 5 to 10 knots. Bay waters light chop. Showers likely with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-270600- Atchafalaya and East Cote Blanche Bays- 1243 PM CDT Sat Jul 26 2025 .TONIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms early this evening. .SUNDAY...Southeast winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. .MONDAY...Northwest winds around 5 knots. Bay waters smooth. .MONDAY NIGHT...West winds 5 to 10 knots. Bay waters light chop. .TUESDAY...Northwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...West winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .WEDNESDAY...West winds around 5 knots. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .THURSDAY...Southwest winds around 5 knots. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .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. $$ GMZ450-270600- Coastal waters from Cameron LA to High Island TX out 20 NM- 1243 PM CDT Sat Jul 26 2025 .TONIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers early this evening. .SUNDAY...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .MONDAY...South winds around 5 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: South 1 foot at 6 seconds, becoming west 1 foot at 2 seconds and south 1 foot at 6 seconds. .TUESDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 1 foot at 3 seconds and south 1 foot at 5 seconds. .TUESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A chance of showers and thunderstorms after midnight. .WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds around 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-270600- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1243 PM CDT Sat Jul 26 2025 .TONIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A chance of thunderstorms early this evening. A slight chance of showers this evening. A slight chance of showers and thunderstorms late. .SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .MONDAY...West winds around 5 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. .MONDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: West 1 foot at 2 seconds and south 1 foot at 5 seconds, becoming west 1 foot at 3 seconds and south 1 foot at 5 seconds. .TUESDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 1 foot at 3 seconds and south 1 foot at 5 seconds. A slight chance of showers and thunderstorms in the morning. .TUESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...Southwest winds around 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. $$ GMZ455-270600- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1243 PM CDT Sat Jul 26 2025 .TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 2 seconds and south 1 foot at 5 seconds. A slight chance of showers. A slight chance of thunderstorms early this evening. A slight chance of thunderstorms after midnight. .SUNDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 2 seconds. A chance of showers and thunderstorms. .SUNDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. .MONDAY...Northwest winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 6 seconds. .MONDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds and south 1 foot at 5 seconds. .TUESDAY...Northwest winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .WEDNESDAY...Northwest winds 5 to 10 knots, becoming west in the afternoon. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .THURSDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-270600- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1243 PM CDT Sat Jul 26 2025 .TONIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of thunderstorms with a slight chance of showers early this evening. A slight chance of showers and thunderstorms late. .SUNDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of showers and thunderstorms. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .MONDAY...South winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. .TUESDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and northwest 1 foot at 3 seconds. .TUESDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms after midnight. .WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms. .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 in the evening, then a 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 thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...Southwest winds around 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. $$ GMZ472-270600- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1243 PM CDT Sat Jul 26 2025 .TONIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of showers and thunderstorms early this evening. A slight chance of showers late this evening and overnight. A slight chance of thunderstorms after midnight. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers and thunderstorms. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .MONDAY...West winds around 5 knots, becoming north in the afternoon. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. .MONDAY NIGHT...West winds around 5 knots, increasing to 5 to 10 knots after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. .TUESDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 3 seconds and southeast 2 feet at 6 seconds. A slight chance of showers and thunderstorms in the morning. .TUESDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms after midnight. .WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .THURSDAY...West winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-270600- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1243 PM CDT Sat Jul 26 2025 .TONIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers and thunderstorms early this evening. A slight chance of showers and thunderstorms late. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers and thunderstorms, mainly in the morning. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .MONDAY...North winds around 5 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. .MONDAY NIGHT...Northwest winds around 5 knots, increasing to 5 to 10 knots after midnight. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds and northwest 1 foot at 2 seconds. .TUESDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 2 feet at 3 seconds and southeast 2 feet at 6 seconds. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .WEDNESDAY...Northwest winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .THURSDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .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. $$