Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
992 FZUS54 KLCH 240607 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1206 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. GMZ400-241900- 1206 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... Winds will turn onshore and increase Monday as high pressure moves off to the east and low pressure develops over the Plains. Rain chances will increase Monday afternoon through Tuesday afternoon coming to an end as a cold front moves into the coastal waters. Winds will become offshore behind the front late Tuesday and increase Wednesday. A Small Craft Advisory will likely be needed Wednesday. $$ GMZ430-241900- Sabine Lake- 1206 AM CST Mon Nov 24 2025 .TODAY...Southeast winds 10 to 15 knots, becoming south with gusts up to 20 knots this afternoon. Lake waters choppy. A chance of showers with a slight chance of thunderstorms late this morning and afternoon. .TONIGHT...South winds 10 to 15 knots. Lake waters choppy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. .TUESDAY...West winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...North winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Lake waters choppy. .WEDNESDAY...North winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. .THURSDAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Lake waters choppy. .THURSDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. .FRIDAY...East winds 10 to 15 knots. Lake waters choppy. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters choppy. A slight chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ432-241900- Calcasieu Lake- 1206 AM CST Mon Nov 24 2025 .TODAY...Southeast winds around 10 knots, becoming south with gusts up to 20 knots this afternoon. Lake waters choppy. A slight chance of showers late this morning. A chance of showers with a slight chance of thunderstorms this afternoon. .TONIGHT...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. .TUESDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north 10 to 15 knots with gusts up to 20 knots after midnight. Lake waters choppy. A slight chance of showers. .WEDNESDAY...North winds 15 to 20 knots. Lake waters rough. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. .THURSDAY...Northeast winds 10 to 15 knots. Lake waters choppy. .THURSDAY NIGHT...Northeast winds around 10 knots. Lake waters light chop. .FRIDAY...East winds 10 to 15 knots. Lake waters choppy. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters choppy. A slight chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ435-241900- Vermilion and West Cote Blanche Bays- 1206 AM CST Mon Nov 24 2025 .TODAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots this afternoon. Bay waters choppy. A slight chance of showers early this afternoon. A slight chance of showers and thunderstorms late. .TONIGHT...South winds 10 to 15 knots. Bay waters choppy. A slight chance of thunderstorms in the evening. A chance of showers. .TUESDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers. A slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...West winds 5 to 10 knots, becoming north 10 to 15 knots after midnight. Bay waters choppy. A slight chance of showers and thunderstorms. .WEDNESDAY...North winds 15 to 20 knots. Bay waters rough. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Bay waters rough. .THURSDAY...Northeast winds 10 to 15 knots. Bay waters choppy. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .FRIDAY...East winds 10 to 15 knots. Bay waters choppy. .FRIDAY NIGHT...East winds 10 to 15 knots. Bay waters choppy. Winds and waves higher in and near thunderstorms. $$ GMZ436-241900- Atchafalaya and East Cote Blanche Bays- 1206 AM CST Mon Nov 24 2025 .TODAY...East winds 5 to 10 knots, becoming southeast this afternoon. Bay waters light chop. A slight chance of showers and thunderstorms late. .TONIGHT...South winds around 10 knots. Bay waters light chop. A slight chance of thunderstorms in the evening. A chance of showers. .TUESDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers. .TUESDAY NIGHT...West winds around 5 knots, becoming north after midnight. Bay waters light chop. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .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. Bay waters light chop. .FRIDAY...East winds 10 to 15 knots. Bay waters choppy. .FRIDAY NIGHT...East winds 10 to 15 knots. Bay waters choppy. Winds and waves higher in and near thunderstorms. $$ GMZ450-241900- Coastal waters from Cameron LA to High Island TX out 20 NM- 1206 AM CST Mon Nov 24 2025 .TODAY...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers this morning. A slight chance of thunderstorms late this morning and afternoon. A chance of showers this afternoon. .TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .TUESDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southwest 2 feet at 6 seconds. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north 15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: North 2 feet at 3 seconds and south 2 feet at 6 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY...North winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: North 3 feet at 4 seconds and south 1 foot at 6 seconds. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and southeast 1 foot at 6 seconds. .THURSDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. .FRIDAY...East winds 15 to 20 knots. Seas 2 to 4 feet. .FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 4 feet. A slight chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-241900- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1206 AM CST Mon Nov 24 2025 .TODAY...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A chance of showers early this afternoon. A chance of showers with a slight chance of thunderstorms late. .TONIGHT...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. A slight chance of thunderstorms in the evening. A chance of showers. .TUESDAY...Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southwest 3 feet at 6 seconds. Showers likely in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...West winds 5 to 10 knots, becoming north 15 to 20 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 with gusts up 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, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet in the afternoon. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. .FRIDAY...East winds 15 to 20 knots. Seas 2 to 4 feet. .FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 2 to 4 feet. A slight chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-241900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1206 AM CST Mon Nov 24 2025 .TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 3 seconds. A slight chance of showers early this afternoon. A slight chance of showers and thunderstorms late. .TONIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds and south 1 foot at 2 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers. .TUESDAY NIGHT...West winds around 5 knots, becoming north 10 to 15 knots after midnight. Seas 1 to 2 feet. Wave Detail: Northwest 1 foot at 2 seconds and southwest 1 foot at 5 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...North winds 15 to 20 knots. Seas around 2 feet. Wave Detail: North 2 feet at 3 seconds. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 3 seconds. .THURSDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. .FRIDAY...East winds around 15 knots. Seas 2 to 3 feet. .FRIDAY NIGHT...East winds around 15 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ470-241900- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1206 AM CST Mon Nov 24 2025 .TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers until late afternoon. A slight chance of thunderstorms this afternoon. A chance of showers late. .TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of thunderstorms in the evening. A chance of showers. .TUESDAY...Southwest winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of thunderstorms. Showers likely, mainly in the morning. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming north 15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: North 2 feet at 4 seconds and 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 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 4 feet at 5 seconds and southeast 2 feet at 6 seconds. A slight chance of showers in the morning. .WEDNESDAY NIGHT...Northeast winds around 20 knots with gusts up to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 5 feet at 6 seconds. .THURSDAY...Northeast winds 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. .THURSDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet. .FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-241900- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1206 AM CST Mon Nov 24 2025 .TODAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers late this morning. A chance of showers with a slight chance of thunderstorms this afternoon. .TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: South 4 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. .TUESDAY...Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A chance of showers. A slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...West winds 5 to 10 knots, becoming north 15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds and northwest 2 feet at 3 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...North winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 3 feet at 4 seconds and northwest 3 feet at 4 seconds. A slight chance of showers in the morning. .WEDNESDAY NIGHT...Northeast winds around 20 knots with gusts up to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Northeast 5 feet at 5 seconds and southeast 2 feet at 6 seconds. .THURSDAY...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. .THURSDAY NIGHT...East winds around 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. .FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-241900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1206 AM CST Mon Nov 24 2025 .TODAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers late this morning. A slight chance of showers and thunderstorms this afternoon. .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. .TUESDAY...Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: South 4 feet at 6 seconds. A chance of showers. .TUESDAY NIGHT...West winds 5 to 10 knots, becoming north 10 to 15 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. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 3 feet at 4 seconds and northwest 2 feet at 4 seconds. A slight chance of showers and thunderstorms 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 15 to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Winds and seas higher in and near thunderstorms. $$