Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
227 FZUS54 KLCH 161814 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1214 PM CST Sun Nov 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. GMZ400-170700- 1214 PM CST Sun Nov 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... High pressure centered over the northeastern gulf will ridge into the coastal waters into early 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. $$ GMZ430-170700- Sabine Lake- 1214 PM CST Sun Nov 16 2025 .TONIGHT...South winds 5 to 10 knots. Lake waters light chop. .MONDAY...Southeast winds 5 to 10 knots, becoming south 10 to 15 knots in the afternoon. Lake waters choppy. .MONDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .TUESDAY...South winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Lake waters choppy. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Lake waters choppy. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters choppy. .THURSDAY...Southeast winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Lake waters very rough. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...South winds 15 to 20 knots. Lake waters rough. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .FRIDAY...South winds 10 to 15 knots. Lake waters choppy. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. .FRIDAY NIGHT...Southwest winds around 10 knots, becoming northwest after midnight. Lake waters light chop. A chance of showers. Winds and waves higher in and near thunderstorms. $$ GMZ432-170700- Calcasieu Lake- 1214 PM CST Sun Nov 16 2025 .TONIGHT...South winds 5 to 10 knots. Lake waters light chop. .MONDAY...Southeast winds 5 to 10 knots, becoming south 10 to 15 knots in the afternoon. Lake waters choppy. .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 with gusts up to 20 knots in the afternoon. Lake waters choppy. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Lake waters rough. .WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Lake waters rough. .THURSDAY...Southeast winds 15 to 20 knots, increasing to 25 to 30 knots in the afternoon. Lake waters extremely 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 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Lake waters very rough. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .FRIDAY...South winds 10 to 15 knots. Lake waters choppy. A slight chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...Southwest winds 10 to 15 knots, becoming northwest after midnight. Lake waters choppy. A chance of showers. Winds and waves higher in and near thunderstorms. $$ GMZ435-170700- Vermilion and West Cote Blanche Bays- 1214 PM CST Sun Nov 16 2025 .TONIGHT...South winds around 5 knots. Bay waters smooth. .MONDAY...Southeast winds 5 to 10 knots. Bay waters light chop. .MONDAY NIGHT...Southeast winds around 10 knots. Bay waters light chop. .TUESDAY...Southeast winds 10 to 15 knots. Bay waters choppy. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay waters choppy. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. .THURSDAY...Southeast winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Bay waters very rough. A chance of showers in the afternoon. .THURSDAY NIGHT...Southeast winds 15 to 20 knots. Bay waters rough. A chance of showers. A slight chance of thunderstorms after midnight. .FRIDAY...South winds 10 to 15 knots. Bay waters choppy. A slight chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...South winds around 10 knots, becoming west after midnight. Bay waters choppy. A chance of showers. A slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-170700- Atchafalaya and East Cote Blanche Bays- 1214 PM CST Sun Nov 16 2025 .TONIGHT...South winds around 5 knots. Bay waters smooth. .MONDAY...East winds around 5 knots, becoming southeast 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, increasing to 15 to 20 knots in the afternoon. Bay waters rough. A chance of showers in the afternoon. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. A chance of showers. A slight chance of thunderstorms after midnight. .FRIDAY...South winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Bay waters choppy. A slight chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. A chance of showers. A slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ450-170700- Coastal waters from Cameron LA to High Island TX out 20 NM- 1214 PM CST Sun Nov 16 2025 .TONIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. .MONDAY...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. .MONDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .TUESDAY...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 3 feet. A slight chance of showers. .THURSDAY...Southeast winds 15 to 20 knots. Seas 2 to 3 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .FRIDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A slight chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...South winds 10 to 15 knots, becoming northwest after midnight. Seas 2 to 3 feet. A chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ452-170700- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1214 PM CST Sun Nov 16 2025 .TONIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. .MONDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. .MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .TUESDAY...Southeast winds 10 to 15 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. Wave Detail: South 2 feet at 5 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 3 feet. A slight chance of showers after midnight. .THURSDAY...Southeast winds 15 to 20 knots. Seas 2 to 3 feet. A slight chance of showers in the morning, then a chance of showers in the afternoon. .THURSDAY NIGHT...Southeast winds 20 to 25 knots, becoming south 15 to 20 knots after midnight. Seas 2 to 4 feet. A slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .FRIDAY...South winds 10 to 15 knots. Seas 2 to 4 feet. A slight chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...South winds 10 to 15 knots, becoming west after midnight. Seas 2 to 4 feet. A chance of showers. A slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-170700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1214 PM CST Sun Nov 16 2025 .TONIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. .MONDAY...East winds 5 to 10 knots. Seas 1 foot or less. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: Southeast 1 foot at 3 seconds. .TUESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 2 seconds. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 2 seconds. .WEDNESDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 2 seconds. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. .THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers in the afternoon. .THURSDAY NIGHT...Southeast winds 15 to 20 knots, becoming south 10 to 15 knots after midnight. Seas 2 to 3 feet. A chance of showers. A slight chance of thunderstorms after midnight. .FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers. A slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-170700- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1214 PM CST Sun Nov 16 2025 .TONIGHT...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...South winds 10 to 15 knots with gusts up to 20 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. Wave Detail: Southeast 3 feet at 5 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 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 with a slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .FRIDAY...South winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...South winds 10 to 15 knots, becoming northwest after midnight. Seas 3 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. $$ GMZ472-170700- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1214 PM CST Sun Nov 16 2025 .TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 6 seconds. .MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .MONDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds and southeast 1 foot at 6 seconds. .TUESDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. .WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 4 feet. A slight chance of showers. .THURSDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms. .FRIDAY...South winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...South winds 10 to 15 knots, becoming southwest after midnight. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ475-170700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1214 PM CST Sun Nov 16 2025 .TONIGHT...Southeast winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds and southeast 1 foot at 6 seconds. .MONDAY...East winds 5 to 10 knots. Seas 1 foot or less. 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 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. .WEDNESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 4 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 6 feet, occasionally to 8 feet. A chance of showers with a slight chance of thunderstorms. .FRIDAY...South winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...South winds 10 to 15 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. $$