Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
463 FZUS54 KLCH 230607 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1207 AM CST Sun Nov 23 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. GMZ400-231900- 1207 AM CST Sun Nov 23 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 brief period of modest offshore winds can be expected tonight into Sunday behind a weak cold front. Modest onshore winds will develop Monday ahead of a stronger cold front on Tuesday. This front will bring scattered showers and thunderstorms. Strong north winds are expected behind this front Wednesday and Thursday with winds turning back onshore Friday. $$ GMZ430-231900- Sabine Lake- 1207 AM CST Sun Nov 23 2025 .TODAY...Northeast winds 5 to 10 knots, becoming east late. Lake waters light chop. .TONIGHT...East winds 5 to 10 knots. Lake waters light chop. .MONDAY...Southeast winds 10 to 15 knots. Lake waters choppy. A chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy. A slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .TUESDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...West winds 5 to 10 knots, becoming north after midnight. Lake waters light chop. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...North winds 10 to 15 knots. Lake waters choppy. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. .THURSDAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Lake waters choppy. .THURSDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ432-231900- Calcasieu Lake- 1207 AM CST Sun Nov 23 2025 .TODAY...Northeast winds 5 to 10 knots. Lake waters light chop. .TONIGHT...East winds 5 to 10 knots. Lake waters light chop. .MONDAY...Southeast winds 10 to 15 knots with gusts up to 20 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. .MONDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .TUESDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of thunderstorms. Showers likely, mainly in the morning. .TUESDAY NIGHT...West winds 5 to 10 knots, becoming north 10 to 15 knots after midnight. Lake waters choppy. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...North winds 10 to 15 knots. Lake waters choppy. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. .THURSDAY...Northeast winds 10 to 15 knots. Lake waters choppy. .THURSDAY NIGHT...East winds around 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ435-231900- Vermilion and West Cote Blanche Bays- 1207 AM CST Sun Nov 23 2025 .TODAY...Northeast winds 5 to 10 knots, becoming north this afternoon. Bay waters light chop. .TONIGHT...Northeast winds around 5 knots, becoming east after midnight. Bay waters light chop. .MONDAY...Southeast winds 10 to 15 knots. Bay waters choppy. A slight chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...South winds 10 to 15 knots. Bay waters choppy. A chance of showers with a slight chance of thunderstorms. .TUESDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A slight chance of thunderstorms. Showers likely, mainly in the morning. .TUESDAY NIGHT...Southwest winds around 5 knots, becoming northwest after midnight. Bay waters light chop. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .WEDNESDAY...North winds 10 to 15 knots. Bay waters choppy. A slight chance of showers and thunderstorms in the morning. .WEDNESDAY NIGHT...North winds around 15 knots. Bay waters choppy. .THURSDAY...Northeast winds 10 to 15 knots. Bay waters choppy. .THURSDAY NIGHT...Northeast winds around 10 knots. Bay waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ436-231900- Atchafalaya and East Cote Blanche Bays- 1207 AM CST Sun Nov 23 2025 .TODAY...Northeast winds 5 to 10 knots, becoming northwest this afternoon. Bay waters light chop. .TONIGHT...Northeast winds around 5 knots. Bay waters smooth. .MONDAY...Southeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers in the afternoon. .MONDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. A chance of showers with a slight chance of thunderstorms. .TUESDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southwest winds around 5 knots, becoming northwest after midnight. Bay waters light chop. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .WEDNESDAY...North winds 5 to 10 knots, increasing to 10 to 15 knots in the afternoon. Bay waters choppy. A slight chance of showers and thunderstorms in the morning. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .THURSDAY...Northeast winds 10 to 15 knots. Bay waters choppy. .THURSDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ450-231900- Coastal waters from Cameron LA to High Island TX out 20 NM- 1207 AM CST Sun Nov 23 2025 .TODAY...Northeast winds 10 to 15 knots, becoming east 5 to 10 knots this afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds and south 1 foot at 6 seconds. .TONIGHT...East winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. .MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. A chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .TUESDAY...Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...West winds 5 to 10 knots, becoming north 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 3 seconds and south 2 feet at 6 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY...North winds 15 to 20 knots. Seas 2 to 4 feet. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. .THURSDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ452-231900- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1207 AM CST Sun Nov 23 2025 .TODAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots late this morning and afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds and south 1 foot at 5 seconds. .TONIGHT...East winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: East 1 foot at 2 seconds and southeast 1 foot at 5 seconds, becoming southeast 2 feet at 4 seconds. .MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: South 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .TUESDAY...Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of thunderstorms. Showers likely, mainly in the morning. .TUESDAY NIGHT...West winds 5 to 10 knots, becoming north 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at 6 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...North winds 15 to 20 knots. Seas 2 to 4 feet. A slight chance of showers and thunderstorms in the morning. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .THURSDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ455-231900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1207 AM CST Sun Nov 23 2025 .TODAY...Northeast winds 5 to 10 knots, becoming north late. Seas 1 to 2 feet this morning, then 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds. .TONIGHT...Northeast winds around 5 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds. .MONDAY...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 3 seconds. A slight chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 1 foot at 2 seconds. A chance of showers with a slight chance of thunderstorms. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 3 seconds. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Southwest winds around 5 knots, becoming northwest after midnight. Seas 1 to 2 feet. Wave Detail: South 1 foot at 6 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .WEDNESDAY...North winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers and thunderstorms in the morning. .WEDNESDAY NIGHT...North winds 10 to 15 knots, becoming northeast 15 to 20 knots after midnight. Seas 2 to 3 feet. .THURSDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ470-231900- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1207 AM CST Sun Nov 23 2025 .TODAY...Northeast winds around 15 knots, becoming east late this morning and afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 4 seconds and south 1 foot at 6 seconds. .TONIGHT...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. .MONDAY...South 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 with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...South winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .TUESDAY...Southwest winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: South 4 feet at 6 seconds. Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southwest winds 5 to 10 knots, becoming north 10 to 15 knots after midnight. Seas 2 to 4 feet. Wave Detail: South 3 feet at 6 seconds and northwest 2 feet at 4 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers and thunderstorms in the morning. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. .THURSDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet, subsiding to 3 to 4 feet in the afternoon. .THURSDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$ GMZ472-231900- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1207 AM CST Sun Nov 23 2025 .TODAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots late. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 4 seconds and southwest 1 foot at 5 seconds. .TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. .MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...South winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .TUESDAY...Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: South 3 feet at 6 seconds. Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southwest winds 5 to 10 knots, becoming northwest 10 to 15 knots after midnight. Seas 2 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .WEDNESDAY...North winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers and thunderstorms in the morning. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. .THURSDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet, subsiding to 3 to 4 feet in the afternoon. .THURSDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$ GMZ475-231900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1207 AM CST Sun Nov 23 2025 .TODAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds and northwest 1 foot at 4 seconds. .TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 3 seconds and southwest 1 foot at 4 seconds. .MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. .TUESDAY...South winds 10 to 15 knots, becoming southwest 5 to 10 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: South 4 feet at 6 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southwest winds 5 to 10 knots, becoming northwest after midnight. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY...North winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. A slight chance of showers in the evening. .THURSDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$