Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
095 FZUS54 KLCH 310546 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1245 AM CDT Sun Aug 31 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. GMZ400-311800- 1245 AM CDT Sun Aug 31 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... A front that is stretched along the coast will be the focus for showers and storms for the next few days. This front will slowly move into the coastal waters Monday and Tuesday. It will continue to serve as a focus for storm development early in the work week as it does so. Winds will turn offshore through the middle of next week as the frontal boundary moves off the coast and into the Gulf waters. $$ GMZ430-311800- Sabine Lake- 1245 AM CDT Sun Aug 31 2025 .TODAY...Northeast winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .TONIGHT...Northeast winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .MONDAY...East winds around 5 knots. Lake waters smooth. A chance of thunderstorms. A chance of showers until late afternoon, then showers likely late. .MONDAY NIGHT...East winds around 5 knots. Lake waters smooth. A chance of thunderstorms in the evening. A chance of showers. A slight chance of thunderstorms after midnight. .TUESDAY...East winds around 5 knots. Lake waters smooth. A chance of showers. A slight chance of thunderstorms early in the morning, then a chance of thunderstorms in the late morning and afternoon. .TUESDAY NIGHT...South winds around 5 knots, becoming southwest around 5 knots after midnight. Lake waters smooth. A chance of showers and thunderstorms early in the evening. .WEDNESDAY...Northwest winds around 5 knots. Lake waters smooth. .WEDNESDAY NIGHT...Northwest winds around 5 knots. Lake waters smooth. .THURSDAY...North winds around 5 knots, becoming east around 5 knots in the afternoon. Lake waters smooth. .THURSDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. Winds and waves higher in and near thunderstorms. $$ GMZ432-311800- Calcasieu Lake- 1245 AM CDT Sun Aug 31 2025 .TODAY...Northeast winds around 5 knots. Lake waters smooth. A chance of thunderstorms. .TONIGHT...East winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .MONDAY...Northeast winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .MONDAY NIGHT...East winds around 5 knots. Lake waters smooth. A chance of showers. .TUESDAY...East winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...South winds around 5 knots, becoming southwest after midnight. Lake waters smooth. A chance of showers and thunderstorms early in the evening. .WEDNESDAY...Northwest winds around 5 knots. Lake waters smooth. .WEDNESDAY NIGHT...Northwest winds around 5 knots. Lake waters smooth. .THURSDAY...North winds around 5 knots. Lake waters smooth. .THURSDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. Winds and waves higher in and near thunderstorms. $$ GMZ435-311800- Vermilion and West Cote Blanche Bays- 1245 AM CDT Sun Aug 31 2025 .TODAY...Northeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. .TONIGHT...East winds 5 to 10 knots. Bay waters light chop. A chance of thunderstorms in the evening. A chance of showers. A slight chance of thunderstorms after midnight. .MONDAY...Northeast winds 5 to 10 knots. Bay waters light chop. A chance of showers. A slight chance of thunderstorms early in the morning, then a chance of thunderstorms in the late morning and afternoon. .MONDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .TUESDAY...East winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southeast winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms early in the evening, then a slight chance of showers late in the evening. .WEDNESDAY...Northwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Northwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms early in the evening. .THURSDAY...Northwest winds around 5 knots. Bay waters smooth. .THURSDAY NIGHT...West winds around 5 knots. Bay waters smooth. Winds and waves higher in and near thunderstorms. $$ GMZ436-311800- Atchafalaya and East Cote Blanche Bays- 1245 AM CDT Sun Aug 31 2025 .TODAY...Northeast winds 5 to 10 knots. Bay waters light chop. A slight chance of thunderstorms this morning. A chance of showers. A chance of thunderstorms this afternoon. .TONIGHT...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms until early morning, then a chance of showers and thunderstorms late. .MONDAY...Northeast winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .MONDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .TUESDAY...East winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .TUESDAY NIGHT...East winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms early in the evening, then a slight chance of showers and thunderstorms in the late evening and overnight. .WEDNESDAY...North winds around 5 knots, becoming west around 5 knots in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...West winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms early in the evening. .THURSDAY...Northwest winds around 5 knots. Bay waters smooth. .THURSDAY NIGHT...Northwest winds around 5 knots. Bay waters smooth. Winds and waves higher in and near thunderstorms. $$ GMZ450-311800- Coastal waters from Cameron LA to High Island TX out 20 NM- 1245 AM CDT Sun Aug 31 2025 .TODAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 4 seconds. A chance of thunderstorms. .TONIGHT...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. A chance of showers and thunderstorms early in the evening. A slight chance of showers and thunderstorms in the late evening and early morning, then a chance of showers and thunderstorms late. .MONDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 3 seconds. A chance of thunderstorms. Showers likely until late afternoon, then a chance of showers late. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. A chance of showers and thunderstorms. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 1 foot at 3 seconds. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late. .TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming southwest after midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds and east 1 foot at 4 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms early in the morning. .WEDNESDAY NIGHT...West winds 5 to 10 knots, becoming northwest after midnight. Seas 1 foot or less. .THURSDAY...North winds 5 to 10 knots, becoming east in the afternoon. Seas 1 foot or less. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ452-311800- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1245 AM CDT Sun Aug 31 2025 .TODAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. A chance of thunderstorms. A chance of showers. .TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: East 1 foot at 3 seconds. A chance of showers and thunderstorms early in the evening. A slight chance of showers and thunderstorms in the late evening and early morning, then a chance of showers and thunderstorms late. .MONDAY...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 3 seconds. A chance of thunderstorms. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: East 1 foot at 3 seconds. A chance of showers and thunderstorms. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 1 foot at 3 seconds. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. A chance of thunderstorms in the evening. A chance of showers. A slight chance of thunderstorms after midnight. .WEDNESDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. .THURSDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ455-311800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1245 AM CDT Sun Aug 31 2025 .TODAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds. A chance of showers and thunderstorms. .TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds. A chance of showers. .MONDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. Showers likely. A chance of thunderstorms until late afternoon, then thunderstorms likely late. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. Thunderstorms likely in the evening. Showers likely. A chance of thunderstorms after midnight. .TUESDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds. A chance of thunderstorms. Showers likely early in the morning, then a chance of showers in the late morning and afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds. A chance of showers. A chance of thunderstorms early in the evening, then a slight chance of thunderstorms in the late evening and overnight. .WEDNESDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of thunderstorms. A chance of showers early in the morning, then a slight chance of showers in the late morning and afternoon. .WEDNESDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. .THURSDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms early in the morning. .THURSDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ470-311800- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1245 AM CDT Sun Aug 31 2025 .TODAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 4 seconds and southwest 1 foot at 4 seconds. Thunderstorms likely this morning. Showers likely. A chance of thunderstorms this afternoon. .TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds. A chance of showers with a slight chance of thunderstorms until early morning, then a chance of showers and thunderstorms late. .MONDAY...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 3 seconds. A chance of thunderstorms. Showers. .MONDAY NIGHT...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds. A chance of thunderstorms. .TUESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds. A chance of thunderstorms. Showers likely early in the morning, then a chance of showers in the late morning and afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .WEDNESDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms early in the morning, then a slight chance of showers and thunderstorms in the late morning and early afternoon. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. .THURSDAY...North winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers late in the morning. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ472-311800- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1245 AM CDT Sun Aug 31 2025 .TODAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 4 seconds. A chance of thunderstorms. Showers likely, mainly this morning. .TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: East 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .MONDAY...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of thunderstorms. Showers. .MONDAY NIGHT...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds. A chance of thunderstorms. .TUESDAY...Northeast winds around 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds. A chance of thunderstorms. Showers likely until late afternoon, then a chance of showers late. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds. A chance of showers. A chance of thunderstorms early in the evening, then a slight chance of thunderstorms in the late evening and overnight. .WEDNESDAY...North winds 5 to 10 knots. Seas around 2 feet. A slight chance of thunderstorms. A chance of showers until late afternoon, then a slight chance of showers late. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. A slight chance of showers. A slight chance of thunderstorms early in the evening. A slight chance of thunderstorms after midnight. .THURSDAY...North winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms until late afternoon. .THURSDAY NIGHT...North winds around 5 knots, becoming south after midnight. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ475-311800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1245 AM CDT Sun Aug 31 2025 .TODAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 4 seconds. A chance of thunderstorms. Showers likely, mainly this morning. .TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 1 foot at 3 seconds. A chance of showers with a slight chance of thunderstorms until early morning, then showers likely with a chance of thunderstorms late. .MONDAY...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds. A chance of thunderstorms. Showers. .MONDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of thunderstorms. Showers. .TUESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds and southeast 1 foot at 8 seconds. A chance of thunderstorms. Showers until late afternoon, then a chance of showers late. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers. A chance of thunderstorms early in the evening, then a slight chance of thunderstorms in the late evening and overnight. .WEDNESDAY...North winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late. .WEDNESDAY NIGHT...Northwest winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. A slight chance of thunderstorms early in the evening. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .THURSDAY...North winds 5 to 10 knots. Seas 1 foot or less. A slight chance of thunderstorms. A chance of showers early in the morning, then a slight chance of showers in the late morning and afternoon. .THURSDAY NIGHT...North winds around 5 knots, becoming southwest after midnight. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$