Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
777 FZUS54 KLCH 160548 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1148 PM CST Sat Nov 15 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. GMZ400-161845- 1148 PM CST Sat Nov 15 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... High pressure centered over the northeastern gulf will ridge into the coastal waters into early next week. This will keep mainly light onshore winds and low seas. Onshore flow will increase somewhat by the middle part of next week as low pressure forms over the Southern Plains. The next chance for any significant shower activity will be Wednesday into Thursday ahead of an approaching frontal boundary. $$ GMZ430-161845- Sabine Lake- 1148 PM CST Sat Nov 15 2025 .REST OF TONIGHT...South winds 5 to 10 knots. Lake waters light chop. Patchy fog late. .SUNDAY...Southwest winds 5 to 10 knots. Lake waters light chop. .SUNDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .MONDAY...South winds 5 to 10 knots. Lake waters light chop. .MONDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .TUESDAY...South winds 5 to 10 knots. Lake waters light chop. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Lake waters choppy. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters choppy. A slight chance of showers. .THURSDAY...Southeast winds 10 to 15 knots. Lake waters choppy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ432-161845- Calcasieu Lake- 1148 PM CST Sat Nov 15 2025 .REST OF TONIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. Patchy fog late. .SUNDAY...Southwest winds 5 to 10 knots. Lake waters light chop. Patchy fog in the morning. .SUNDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .MONDAY...Southeast winds 5 to 10 knots. Lake waters light chop. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. .TUESDAY...South winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Lake waters choppy. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Lake waters choppy. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters choppy. A slight chance of showers. .THURSDAY...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Lake waters rough. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ435-161845- Vermilion and West Cote Blanche Bays- 1148 PM CST Sat Nov 15 2025 .REST OF TONIGHT...South winds around 5 knots. Bay waters smooth. .SUNDAY...Southwest winds 5 to 10 knots. Bay waters light chop. Patchy fog in the morning. .SUNDAY NIGHT...South winds around 5 knots. Bay waters smooth. .MONDAY...Southeast winds 5 to 10 knots. Bay waters light chop. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. .TUESDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Bay waters choppy. .TUESDAY NIGHT...Southeast winds around 10 knots. Bay waters light chop. .WEDNESDAY...Southeast winds 10 to 15 knots. Bay waters choppy. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. .THURSDAY...Southeast winds 10 to 15 knots. Bay waters choppy. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...South winds 10 to 15 knots. Bay waters choppy. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-161845- Atchafalaya and East Cote Blanche Bays- 1148 PM CST Sat Nov 15 2025 .REST OF TONIGHT...South winds around 5 knots. Bay waters smooth. .SUNDAY...Southwest winds around 5 knots. Bay waters smooth. .SUNDAY NIGHT...South winds around 5 knots. Bay waters smooth. .MONDAY...Southeast winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Bay waters light chop. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. .TUESDAY...Southeast winds 5 to 10 knots. Bay waters light chop. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY...Southeast winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. .THURSDAY...Southeast winds 10 to 15 knots. Bay waters choppy. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. A slight chance of thunderstorms. A chance of showers. Winds and waves higher in and near thunderstorms. $$ GMZ450-161845- Coastal waters from Cameron LA to High Island TX out 20 NM- 1148 PM CST Sat Nov 15 2025 .REST OF TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .SUNDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. .MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. .MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .TUESDAY...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers. .THURSDAY...Southeast winds around 15 knots. Seas 2 to 4 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...South winds around 15 knots. Seas 3 to 4 feet. Showers likely with a chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ452-161845- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1148 PM CST Sat Nov 15 2025 .REST OF TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. .SUNDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. .MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .MONDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .TUESDAY...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers. .THURSDAY...Southeast winds around 15 knots. Seas 2 to 4 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...South winds 15 to 20 knots. Seas 2 to 4 feet. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-161845- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1148 PM CST Sat Nov 15 2025 .REST OF TONIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. .SUNDAY...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. .SUNDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. .MONDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: Southeast 1 foot at 3 seconds. .TUESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 2 seconds. .TUESDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. .WEDNESDAY...Southeast winds around 10 knots. Seas around 2 feet. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. .THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-161845- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1148 PM CST Sat Nov 15 2025 .REST OF TONIGHT...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .SUNDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. .MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. .MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds and southeast 2 feet at 6 seconds. .TUESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers. .THURSDAY...Southeast winds around 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-161845- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1148 PM CST Sat Nov 15 2025 .REST OF TONIGHT...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .SUNDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 6 seconds. .MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds and southeast 1 foot at 6 seconds. .TUESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of showers. .THURSDAY...Southeast winds around 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...South winds around 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of thunderstorms. A chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ475-161845- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1148 PM CST Sat Nov 15 2025 .REST OF TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. .SUNDAY...West winds 5 to 10 knots, diminishing to around 5 knots in the afternoon. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. .SUNDAY NIGHT...Southeast winds around 5 knots. Seas around 2 feet. Wave Detail: Southwest 1 foot at 4 seconds and southeast 1 foot at 6 seconds. .MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. .MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds and southeast 1 foot at 6 seconds. .TUESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers. .THURSDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers in the morning, then a chance of showers in the afternoon. .THURSDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$