Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
069 FZUS54 KLCH 160541 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1241 AM CDT Tue Sep 16 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. GMZ400-161800- 1241 AM CDT Tue Sep 16 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... Light mainly easterly winds and low seas will persist through the next couple of days, with winds becoming more east to southeast through the later half of the week. Rain chances also increase through the later half of the week as the upper level pattern become a bit more active. $$ GMZ430-161800- Sabine Lake- 1241 AM CDT Tue Sep 16 2025 .TODAY...North winds around 5 knots, becoming southeast around 5 knots this afternoon. Lake waters smooth. .TONIGHT...South winds around 5 knots, becoming southwest around 5 knots after midnight. Lake waters smooth. A slight chance of showers and thunderstorms early in the evening. .WEDNESDAY...North winds around 5 knots, becoming southeast in the afternoon. Lake waters smooth. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...South winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms early in the evening. .THURSDAY...East winds around 5 knots, becoming southeast in the afternoon. Lake waters light chop. .THURSDAY NIGHT...Southeast winds 5 to 10 knots, diminishing to around 5 knots after midnight. Lake waters light chop. .FRIDAY...East winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds around 5 knots. Lake waters smooth. A slight chance of thunderstorms early in the evening. A slight chance of showers. .SATURDAY...East winds around 5 knots, becoming southeast in the afternoon. Lake waters light chop. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...South winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms early in the evening, then a slight chance of showers in the late evening and overnight. Winds and waves higher in and near thunderstorms. $$ GMZ432-161800- Calcasieu Lake- 1241 AM CDT Tue Sep 16 2025 .TODAY...North winds around 5 knots, becoming southeast around 5 knots this afternoon. Lake waters smooth. .TONIGHT...South winds around 5 knots, becoming southwest after midnight. Lake waters smooth. A slight chance of showers and thunderstorms early in the evening. .WEDNESDAY...North winds around 5 knots, becoming south in the afternoon. Lake waters smooth. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...South winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms early in the evening. .THURSDAY...East winds around 5 knots, becoming southeast in the afternoon. Lake waters light chop. .THURSDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. .FRIDAY...East winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms early in the evening. A slight chance of showers after midnight. .SATURDAY...East winds around 5 knots, becoming southeast in the afternoon. Lake 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. Lake waters light chop. A chance of showers and thunderstorms early in the evening, then a slight chance of showers in the late evening and overnight. Winds and waves higher in and near thunderstorms. $$ GMZ435-161800- Vermilion and West Cote Blanche Bays- 1241 AM CDT Tue Sep 16 2025 .TODAY...Northeast winds around 5 knots, becoming south this afternoon. Bay waters smooth. A slight chance of showers and thunderstorms late. .TONIGHT...South winds 5 to 10 knots, becoming southeast after midnight. Bay waters light chop. .WEDNESDAY...Northeast winds around 5 knots, becoming southeast around 5 knots in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...South winds 5 to 10 knots, becoming southeast after midnight. Bay waters light chop. A slight chance of showers and thunderstorms early in the evening. .THURSDAY...East winds 5 to 10 knots. Bay waters light chop. .THURSDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. .FRIDAY...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms early in the evening. .SATURDAY...East winds around 5 knots, becoming southeast in the afternoon. Bay waters light chop. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. A slight chance of thunderstorms early in the evening. A slight chance of showers. Winds and waves higher in and near thunderstorms. $$ GMZ436-161800- Atchafalaya and East Cote Blanche Bays- 1241 AM CDT Tue Sep 16 2025 .TODAY...Northeast winds around 5 knots, becoming south around 5 knots this afternoon. Bay waters smooth. .TONIGHT...Southeast winds around 5 knots. Bay waters smooth. .WEDNESDAY...Northeast winds around 5 knots, becoming southeast around 5 knots in the afternoon. Bay waters smooth. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots, becoming east after midnight. Bay waters light chop. .THURSDAY...East winds 5 to 10 knots. Bay waters light chop. .THURSDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. .FRIDAY...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds 5 to 10 knots, becoming east after midnight. Bay waters light chop. A slight chance of thunderstorms early in the evening. A slight chance of showers. .SATURDAY...East winds around 5 knots, becoming southeast in the afternoon. Bay waters light chop. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots, diminishing to around 5 knots after midnight. Bay waters light chop. A slight chance of thunderstorms early in the evening. A slight chance of showers. Winds and waves higher in and near thunderstorms. $$ GMZ450-161800- Coastal waters from Cameron LA to High Island TX out 20 NM- 1241 AM CDT Tue Sep 16 2025 .TODAY...Northeast winds 5 to 10 knots, becoming east this afternoon. Seas around 2 feet. Wave Detail: Northeast 1 foot at 2 seconds and southeast 1 foot at 5 seconds. .TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .WEDNESDAY...Northeast winds around 5 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers and thunderstorms early in the evening. .THURSDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. .THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. .FRIDAY...East winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers. A slight chance of thunderstorms after midnight. .SATURDAY...East winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. A chance of showers with a slight chance of thunderstorms. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers late in the evening. A chance of showers with a slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-161800- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1241 AM CDT Tue Sep 16 2025 .TODAY...Northeast winds around 5 knots, becoming southeast this afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 5 seconds. .TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .WEDNESDAY...Northeast winds around 5 knots, becoming southeast in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 5 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: Southeast 1 foot at 4 seconds. A slight chance of showers and thunderstorms early in the evening. .THURSDAY...East winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet in the afternoon. Wave Detail: Southeast 1 foot at 4 seconds. .THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers in the late evening and overnight. .FRIDAY...East winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast 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. .SATURDAY...East winds 5 to 10 knots. Seas 1 foot or less. A chance of showers with a slight chance of thunderstorms. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers in the late evening and overnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-161800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1241 AM CDT Tue Sep 16 2025 .TODAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. .TONIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. .WEDNESDAY...Northeast winds around 5 knots, becoming southeast in the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. .THURSDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 3 seconds. A slight chance of showers. .FRIDAY...East winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. A slight chance of thunderstorms early in the evening. A slight chance of showers. .SATURDAY...East winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers. A slight chance of thunderstorms in the late morning and afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ470-161800- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1241 AM CDT Tue Sep 16 2025 .TODAY...East winds 5 to 10 knots, increasing to 10 to 15 knots this afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .TONIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A slight chance of showers and thunderstorms until late afternoon. .WEDNESDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .THURSDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers in the afternoon. .THURSDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers. .FRIDAY...East winds around 10 knots. Seas around 2 feet. A slight chance of showers early in the morning, then a chance of showers in the late morning and afternoon. .FRIDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. A chance of showers. A slight chance of thunderstorms after midnight. .SATURDAY...East winds around 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms. .SATURDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. A slight chance of thunderstorms early in the evening. A chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ472-161800- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1241 AM CDT Tue Sep 16 2025 .TODAY...East winds 5 to 10 knots, increasing to 10 to 15 knots this afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers and thunderstorms late in the morning. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .THURSDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers in the afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers until early morning, then a chance of showers late. .FRIDAY...East winds around 10 knots. Seas around 2 feet. A chance of showers. A slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. A slight chance of thunderstorms early in the evening. A chance of showers. .SATURDAY...East winds around 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms. .SATURDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. A slight chance of thunderstorms early in the evening. A chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ475-161800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1241 AM CDT Tue Sep 16 2025 .TODAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. .TONIGHT...Southeast winds 10 to 15 knots, becoming east 5 to 10 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. .WEDNESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. .THURSDAY...East winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of showers in the late morning and afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers. .FRIDAY...East winds around 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. A slight chance of thunderstorms early in the evening. A chance of showers. .SATURDAY...East winds around 10 knots. Seas around 2 feet. A slight chance of thunderstorms until late afternoon. A chance of showers. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers. Winds and seas higher in and near thunderstorms. $$