Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
790 FZUS54 KLCH 241800 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1159 AM CST Mon Nov 24 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. GMZ400-250600- 1159 AM CST Mon Nov 24 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... Breezy southerly flow along with occasional shower activity will continue through this evening. Tonight, a line of storms will move through followed by a wind shift to the W. Winds remain light and westerly through tomorrow before turning NW to NW tomorrow night and increasing as high pressure builds across the southeastern US and tightens the pressure gradient overhead. Strong north winds with 20-30 kt gusts will then prevail through the end of the week. $$ GMZ430-250600- Sabine Lake- 1159 AM CST Mon Nov 24 2025 .TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots, increasing to 15 to 20 knots late this evening and early morning, then becoming southwest 10 to 15 knots late. Lake waters rough. A chance of showers with a slight chance of thunderstorms this evening, then showers likely with a chance of thunderstorms after midnight. .TUESDAY...West winds 5 to 10 knots, becoming northwest in the afternoon. Lake waters light chop. A chance of showers and thunderstorms in the morning. .TUESDAY NIGHT...North winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots after midnight. Lake waters choppy. .WEDNESDAY...North winds around 15 knots with gusts up to 20 knots. Lake waters choppy. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. .THURSDAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Lake waters choppy. .THURSDAY NIGHT...Northeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Lake waters choppy. .FRIDAY...East winds 10 to 15 knots. Lake waters choppy. .FRIDAY NIGHT...Southeast winds 15 to 20 knots. Lake waters rough. A slight chance of showers after midnight. .SATURDAY...Southeast winds 15 to 20 knots. Lake waters rough. A chance of showers. A slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 15 to 20 knots. Lake waters rough. A chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ432-250600- Calcasieu Lake- 1159 AM CST Mon Nov 24 2025 .TONIGHT...South winds 10 to 15 knots, increasing to 15 to 20 knots late this evening and early morning, then becoming southwest 10 to 15 knots late. Lake waters rough. A chance of showers with a slight chance of thunderstorms. .TUESDAY...West winds 5 to 10 knots. Lake waters light chop. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north 15 to 20 knots after midnight. Lake waters rough. .WEDNESDAY...North winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Lake waters rough. .THURSDAY...Northeast winds 10 to 15 knots. Lake waters choppy. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. .FRIDAY...East winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Lake waters rough. .FRIDAY NIGHT...Southeast winds 15 to 20 knots. Lake waters rough. .SATURDAY...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. .SATURDAY NIGHT...Southeast winds 15 to 20 knots. Lake waters rough. A chance of showers. A chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ435-250600- Vermilion and West Cote Blanche Bays- 1159 AM CST Mon Nov 24 2025 .TONIGHT...South winds 10 to 15 knots. Bay waters choppy. A chance of thunderstorms this evening. A chance of showers. A slight chance of thunderstorms after midnight. .TUESDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers. .TUESDAY NIGHT...West winds 5 to 10 knots, becoming north 10 to 15 knots with gusts up to 20 knots after midnight. Bay waters choppy. A slight chance of thunderstorms in the evening. A slight chance of showers. .WEDNESDAY...North winds 15 to 20 knots with gusts up to 25 knots. Bay waters rough. .WEDNESDAY NIGHT...North winds 15 to 20 knots. Bay waters rough. .THURSDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Bay waters rough. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .FRIDAY...East winds around 15 knots. Bay waters choppy. .FRIDAY NIGHT...East winds 15 to 20 knots. Bay waters rough. .SATURDAY...Southeast winds 15 to 20 knots. Bay waters rough. A slight chance of showers in the afternoon. .SATURDAY NIGHT...Southeast winds 15 to 20 knots. Bay waters rough. A chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-250600- Atchafalaya and East Cote Blanche Bays- 1159 AM CST Mon Nov 24 2025 .TONIGHT...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 chance of showers with a slight chance of thunderstorms. .TUESDAY NIGHT...West winds around 5 knots, becoming north 10 to 15 knots after midnight. Bay waters choppy. A slight chance of thunderstorms in the evening. A slight chance of showers. .WEDNESDAY...North winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. .THURSDAY...Northeast winds 10 to 15 knots. Bay waters choppy. .THURSDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Bay waters choppy. .FRIDAY...East winds 10 to 15 knots. Bay waters choppy. .FRIDAY NIGHT...East winds 10 to 15 knots. Bay waters choppy. .SATURDAY...Southeast winds 10 to 15 knots. Bay waters choppy. A slight chance of showers in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. A chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ450-250600- Coastal waters from Cameron LA to High Island TX out 20 NM- 1159 AM CST Mon Nov 24 2025 .TONIGHT...South winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: South 3 feet at 5 seconds. A slight chance of showers and thunderstorms this evening, then a chance of showers and thunderstorms after midnight. .TUESDAY...Southwest winds 10 to 15 knots, becoming west 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 6 seconds. A chance of showers and thunderstorms in the morning. .TUESDAY NIGHT...Northwest winds 10 to 15 knots, becoming north 15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail: North 2 feet at 3 seconds and south 2 feet at 6 seconds. .WEDNESDAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: North 3 feet at 4 seconds and south 1 foot at 6 seconds. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and southeast 1 foot at 6 seconds. .THURSDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds. .THURSDAY NIGHT...Northeast winds 10 to 15 knots, becoming east 15 to 20 knots after midnight. Seas 2 to 4 feet. .FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .FRIDAY NIGHT...Southeast winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers after midnight. .SATURDAY...Southeast winds 20 to 25 knots. Seas 3 to 4 feet. A chance of showers. A slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 20 to 25 knots. Seas 3 to 4 feet. Showers likely. A chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-250600- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1159 AM CST Mon Nov 24 2025 .TONIGHT...South winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: South 3 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms this evening. A slight chance of thunderstorms late. .TUESDAY...Southwest winds 10 to 15 knots, becoming west 5 to 10 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: Southwest 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north 15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail: Northwest 2 feet at 3 seconds and south 2 feet at 6 seconds. A slight chance of showers. .WEDNESDAY...North winds 20 to 25 knots. Seas 2 to 4 feet. Wave Detail: Northwest 2 feet at 3 seconds and south 1 foot at 6 seconds. .WEDNESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 3 feet at 4 seconds and southeast 1 foot at 6 seconds. .THURSDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. .FRIDAY...East winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. .FRIDAY NIGHT...Southeast winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers after midnight. .SATURDAY...Southeast winds 20 to 25 knots. Seas 3 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. .SATURDAY NIGHT...Southeast winds 20 to 25 knots. Seas 3 to 4 feet. A chance of showers. A chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-250600- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1159 AM CST Mon Nov 24 2025 .TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds and south 1 foot at 2 seconds. A chance of showers early this evening. A slight chance of thunderstorms until early morning. A slight chance of showers late this evening and overnight. .TUESDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .TUESDAY NIGHT...West winds around 5 knots, becoming north 10 to 15 knots with gusts up to 20 knots after midnight. Seas around 2 feet. Wave Detail: Northwest 1 foot at 2 seconds and southwest 1 foot at 5 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY...North winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 3 seconds. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 3 seconds. .THURSDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds. .THURSDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas around 2 feet. .FRIDAY...East winds 15 to 20 knots. Seas 2 to 3 feet. .FRIDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 3 feet. .SATURDAY...Southeast winds 15 to 20 knots. Seas 2 to 3 feet. A slight chance of showers in the afternoon. .SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 4 feet. A chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-250600- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1159 AM CST Mon Nov 24 2025 .TONIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of showers and thunderstorms early this evening. A slight chance of showers after midnight, then a chance of showers with a slight chance of thunderstorms late. .TUESDAY...Southwest winds 10 to 15 knots, becoming west 5 to 10 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north 15 to 20 knots with gusts up to 25 knots after midnight. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet after midnight. Wave Detail: South 2 feet at 6 seconds, becoming north 2 feet at 4 seconds and south 2 feet at 6 seconds. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Northeast winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: North 4 feet at 5 seconds and southeast 2 feet at 6 seconds. .WEDNESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 6 seconds. .THURSDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 6 seconds. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .FRIDAY...East winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. .FRIDAY NIGHT...Southeast winds 20 to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. A slight chance of showers after midnight. .SATURDAY...Southeast winds 20 to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. A chance of showers. A slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 20 to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Showers likely in the evening, then showers likely with a chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-250600- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1159 AM CST Mon Nov 24 2025 .TONIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 4 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms early this evening. A slight chance of showers after midnight, then a chance of showers late. .TUESDAY...Southwest winds 10 to 15 knots, becoming west 5 to 10 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A chance of showers. A slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north 15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail: South 3 feet at 6 seconds and northwest 2 feet at 3 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY...North winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northwest 3 feet at 4 seconds and north 3 feet at 4 seconds. .WEDNESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 5 seconds and southeast 2 feet at 6 seconds. .THURSDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 4 feet at 6 seconds. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .FRIDAY...East winds around 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. .FRIDAY NIGHT...Southeast winds 20 to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. A slight chance of showers after midnight. .SATURDAY...Southeast winds 20 to 25 knots. Seas 4 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. .SATURDAY NIGHT...Southeast winds around 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. A chance of showers. A slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-250600- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1159 AM CST Mon Nov 24 2025 .TONIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 4 feet at 6 seconds. A slight chance of showers and thunderstorms early this evening. A slight chance of thunderstorms after midnight. A slight chance of showers after midnight. .TUESDAY...Southwest winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 4 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. .TUESDAY NIGHT...West winds around 5 knots, becoming north 15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds and northwest 1 foot at 2 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 with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 3 feet at 4 seconds and northwest 2 feet at 4 seconds. A slight chance of showers in the morning. .WEDNESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 4 feet at 4 seconds and northwest 2 feet at 5 seconds. .THURSDAY...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 4 feet at 6 seconds. .THURSDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. .FRIDAY...East winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. .FRIDAY NIGHT...East winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. .SATURDAY...Southeast winds around 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight chance of showers in the afternoon. .SATURDAY NIGHT...Southeast winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers. A slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$