Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
207 FZUS54 KLCH 190628 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1227 AM CST Wed Nov 19 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. GMZ400-191900- 1227 AM CST Wed Nov 19 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 series of waves moving north of the region will bring about a prolonged period of variable pressure fields and onshore winds at a breezy to occasionally moderate flow. Thursday night, a deeply amplified weather system will be approaching from the west bringing about stronger onshore winds and periods of showers and thunderstorms. Winds and seas will gradually increase from early Thursday into Friday. $$ GMZ430-191900- Sabine Lake- 1227 AM CST Wed Nov 19 2025 .TODAY...Southeast winds 5 to 10 knots. Lake waters light chop. .TONIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. .THURSDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Lake waters choppy. A slight chance of showers in the morning, then a chance of showers in the afternoon. .THURSDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Lake waters choppy. A chance of showers. .FRIDAY...South winds 5 to 10 knots. Lake waters light chop. A slight chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the evening, then a chance of showers after midnight. .SATURDAY...Northwest winds around 5 knots, becoming south in the afternoon. Lake waters smooth. A chance of showers with a slight chance of thunderstorms. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. A slight chance of showers. .SUNDAY...Southeast winds 5 to 10 knots. Lake waters light chop. A slight chance of thunderstorms in the morning. A chance of showers. .SUNDAY NIGHT...Southeast winds around 10 knots. Lake waters light chop. A chance of showers. Winds and waves higher in and near thunderstorms. $$ GMZ432-191900- Calcasieu Lake- 1227 AM CST Wed Nov 19 2025 .TODAY...Southeast winds around 5 knots, becoming south this afternoon. Lake waters light chop. Patchy fog early this morning. .TONIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. .THURSDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Lake waters choppy. A slight chance of showers in the afternoon. .THURSDAY NIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Lake waters choppy. A chance of showers. .FRIDAY...South winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Lake waters choppy. A chance of showers with a slight chance of thunderstorms. .FRIDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. A slight chance of showers in the evening, then a chance of showers after midnight. .SATURDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of showers with a slight chance of thunderstorms. .SATURDAY NIGHT...South winds around 5 knots, becoming east after midnight. Lake waters light chop. A slight chance of showers. .SUNDAY...Southeast winds 5 to 10 knots. Lake waters light chop. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SUNDAY NIGHT...Southeast winds around 10 knots. Lake waters light chop. A slight chance of showers in the evening, then a chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ435-191900- Vermilion and West Cote Blanche Bays- 1227 AM CST Wed Nov 19 2025 .TODAY...Southeast winds 5 to 10 knots. Bay waters light chop. .TONIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. .THURSDAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Bay waters choppy. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. A chance of showers with a slight chance of thunderstorms. .FRIDAY...South winds 5 to 10 knots. Bay waters light chop. A slight chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms after midnight. .SATURDAY...South winds 5 to 10 knots. Bay waters light chop. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SATURDAY NIGHT...South winds around 5 knots, becoming southeast after midnight. Bay waters light chop. A slight chance of showers. .SUNDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Bay waters light chop. A slight chance of showers. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers. Winds and waves higher in and near thunderstorms. $$ GMZ436-191900- Atchafalaya and East Cote Blanche Bays- 1227 AM CST Wed Nov 19 2025 .TODAY...Southeast winds around 5 knots. Bay waters smooth. .TONIGHT...Southeast winds around 5 knots. Bay waters smooth. .THURSDAY...Southeast winds 5 to 10 knots. Bay waters light chop. .THURSDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. A chance of showers. A slight chance of thunderstorms after midnight. .FRIDAY...South winds 5 to 10 knots. Bay waters light chop. A slight chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...South winds around 5 knots. Bay waters smooth. A slight chance of showers after midnight. .SATURDAY...South winds around 5 knots. Bay waters smooth. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...South winds around 5 knots, becoming southeast after midnight. Bay waters smooth. A slight chance of showers. .SUNDAY...Southeast winds around 5 knots. Bay waters smooth. A slight chance of showers in the afternoon. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers. Winds and waves higher in and near thunderstorms. $$ GMZ450-191900- Coastal waters from Cameron LA to High Island TX out 20 NM- 1227 AM CST Wed Nov 19 2025 .TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .TONIGHT...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .THURSDAY...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .FRIDAY...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 6 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .SATURDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers. .SUNDAY...East winds around 10 knots. Seas around 2 feet. A slight chance of thunderstorms in the morning. A chance of showers. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ452-191900- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1227 AM CST Wed Nov 19 2025 .TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. Patchy fog early this morning. .TONIGHT...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers in the afternoon. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds. A slight chance of thunderstorms in the evening. A chance of showers. .FRIDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers. .SUNDAY...East winds around 10 knots. Seas around 2 feet. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers in the evening, then a chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-191900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1227 AM CST Wed Nov 19 2025 .TODAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. .TONIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. .THURSDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet in the afternoon. Wave Detail: Southeast 1 foot at 2 seconds. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds and southeast 1 foot at 3 seconds. A slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .FRIDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. .FRIDAY NIGHT...South winds around 5 knots. Seas 1 to 2 feet. Wave Detail: South 1 foot at 6 seconds. A slight chance of showers. A slight chance of thunderstorms after midnight. .SATURDAY...South winds around 5 knots. Seas 1 foot or less. A slight chance of thunderstorms in the morning. A slight chance of showers. .SATURDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers. .SUNDAY...East winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. A slight chance of showers. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ470-191900- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1227 AM CST Wed Nov 19 2025 .TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .TONIGHT...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers in the morning, then a chance of showers in the afternoon. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers. .FRIDAY...South winds around 10 knots. Seas around 3 feet. Wave Detail: South 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. .FRIDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. .SATURDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers. .SUNDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. A chance of showers. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ472-191900- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1227 AM CST Wed Nov 19 2025 .TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. .THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers in the afternoon. .THURSDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms. .FRIDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: South 3 feet at 7 seconds. A slight chance of showers and thunderstorms. .SATURDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers. .SUNDAY...East winds around 10 knots. Seas 2 to 3 feet. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers in the evening, then a chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-191900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1227 AM CST Wed Nov 19 2025 .TODAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .TONIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. .THURSDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers in the afternoon. .THURSDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds. Showers likely with a slight chance of thunderstorms. .FRIDAY...South winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of showers. A chance of thunderstorms, mainly in the morning. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of showers. A slight chance of thunderstorms after midnight. .SATURDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. A slight chance of showers in the evening. .SUNDAY...East winds around 10 knots. Seas 2 to 3 feet. A slight chance of showers. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$