Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
252 FZUS54 KLCH 022011 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 310 PM CDT Fri Oct 2 2026 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. GMZ400-030900- 310 PM CDT Fri Oct 2 2026 .Synopsis for Lower Atchafalaya River LA to High Island TX out 60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote Blanche Bays... The gradient between an inverted trough over the central Gulf and high pressure over the southeast US will bring moderate east to northeast winds and moderate seas through the weekend. Widespread rain and storms will impact coastal waters, reducing visibility and causing locally higher winds and waves as a frontal boundary nears the coast. This front will move out into the coastal waters early next week with a period of moderate to strong offshore flow. $$ GMZ430-030900- Sabine Lake- 310 PM CDT Fri Oct 2 2026 .TONIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms early this evening, then a slight chance of showers and thunderstorms late this evening and overnight. .SATURDAY...Northeast winds 10 to 15 knots. Lake waters choppy. A chance of thunderstorms. A chance of showers in the morning, then showers in the afternoon. .SATURDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Lake waters choppy. Showers likely with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. .SUNDAY...Northeast winds 10 to 15 knots. Lake waters choppy. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. .MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Lake waters rough. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. .TUESDAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Lake waters choppy. .TUESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Lake waters choppy. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ432-030900- Calcasieu Lake- 310 PM CDT Fri Oct 2 2026 .TONIGHT...East winds 5 to 10 knots, becoming northeast 10 to 15 knots late. Lake waters choppy. A chance of showers and thunderstorms, mainly this evening. .SATURDAY...Northeast winds 10 to 15 knots. Lake waters choppy. A chance of thunderstorms. A chance of showers in the morning, then showers in the afternoon. .SATURDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. Showers likely. A chance of thunderstorms, mainly in the evening. .SUNDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Lake waters rough. A slight chance of thunderstorms in the evening. A slight chance of showers. .MONDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. A chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. .TUESDAY...Northeast winds 10 to 15 knots. Lake waters choppy. .TUESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...Northeast winds 10 to 15 knots. Lake waters choppy. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Lake waters choppy. Winds and waves higher in and near thunderstorms. $$ GMZ435-030900- Vermilion and West Cote Blanche Bays- 310 PM CDT Fri Oct 2 2026 .TONIGHT...East winds 5 to 10 knots, becoming northeast 10 to 15 knots late. Bay waters choppy. A chance of showers. A chance of thunderstorms, mainly this evening. .SATURDAY...East winds 10 to 15 knots. Bay waters choppy. A chance of thunderstorms. Showers. .SATURDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A chance of thunderstorms. Showers. .SUNDAY...Northeast winds 5 to 10 knots. Bay waters light chop. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. A chance of showers with a slight chance of thunderstorms. .MONDAY...Northeast winds 10 to 15 knots. Bay waters choppy. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. A slight chance of thunderstorms in the evening. A slight chance of showers. .TUESDAY...Northeast winds 10 to 15 knots. Bay waters choppy. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .WEDNESDAY...Northeast winds around 15 knots. Bay waters choppy. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Bay waters rough. Winds and waves higher in and near thunderstorms. $$ GMZ436-030900- Atchafalaya and East Cote Blanche Bays- 310 PM CDT Fri Oct 2 2026 .TONIGHT...East winds 5 to 10 knots. Bay waters light chop. A chance of thunderstorms. Showers likely early this evening, then a chance of showers late this evening and overnight. .SATURDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Bay waters choppy. Showers with a chance of thunderstorms. .SATURDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. Showers with a chance of thunderstorms. .SUNDAY...Northeast winds 5 to 10 knots. Bay waters light chop. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters light chop. A slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .MONDAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Bay waters choppy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters light chop. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. .TUESDAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Bay waters choppy. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .TUESDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Bay waters choppy. A slight chance of showers and thunderstorms. .WEDNESDAY...Northeast winds 10 to 15 knots. Bay waters choppy. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. Winds and waves higher in and near thunderstorms. $$ GMZ450-030900- Coastal waters from Cameron LA to High Island TX out 20 NM- 310 PM CDT Fri Oct 2 2026 .TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers and thunderstorms. .SATURDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of thunderstorms. A chance of showers in the morning, then showers in the afternoon. .SATURDAY NIGHT...Northeast winds around 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A chance of thunderstorms. Showers. .SUNDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds and southeast 1 foot at 7 seconds. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and southeast 1 foot at 7 seconds. A slight chance of thunderstorms. Showers likely, mainly in the evening. .MONDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: East 4 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. .MONDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. A slight chance of thunderstorms in the evening. A slight chance of showers. .TUESDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet. Winds and seas higher in and near thunderstorms. $$ GMZ452-030900- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 310 PM CDT Fri Oct 2 2026 .TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds and south 2 feet at 6 seconds. A chance of showers and thunderstorms. .SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds and southeast 2 feet at 7 seconds. A chance of thunderstorms. Showers. .SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds and southeast 2 feet at 6 seconds. A chance of thunderstorms. Showers. .SUNDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds and southeast 2 feet at 7 seconds. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 3 seconds and southeast 1 foot at 7 seconds. A slight chance of thunderstorms. Showers likely, mainly in the evening. .MONDAY...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 7 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms. .TUESDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. .WEDNESDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Winds and seas higher in and near thunderstorms. $$ GMZ455-030900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 310 PM CDT Fri Oct 2 2026 .TONIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 3 seconds and southeast 2 feet at 7 seconds. A chance of showers and thunderstorms. .SATURDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds and southeast 2 feet at 6 seconds. Showers with a chance of thunderstorms. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds and east 1 foot at 2 seconds. A chance of thunderstorms. Showers. .SUNDAY...East winds 5 to 10 knots. Seas 1 to 2 feet. Wave Detail: Southeast 2 feet at 7 seconds and east 1 foot at 2 seconds. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 1 to 2 feet. Wave Detail: Northeast 1 foot at 2 seconds and south 1 foot at 7 seconds. Showers likely with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .MONDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds and south 1 foot at 7 seconds. A chance of thunderstorms. Showers likely. .MONDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms. .TUESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .WEDNESDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ470-030900- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 310 PM CDT Fri Oct 2 2026 .TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of showers and thunderstorms. .SATURDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 8 seconds. Showers with a chance of thunderstorms. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of thunderstorms. Showers. .SUNDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and southeast 3 feet at 7 seconds. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds. Showers with a chance of thunderstorms. .MONDAY...Northeast winds 15 to 20 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 6 seconds. A chance of thunderstorms. Showers likely. .MONDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet. A chance of showers with a slight chance of thunderstorms. .TUESDAY...Northeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet, subsiding to 2 to 4 feet in the afternoon. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. .TUESDAY NIGHT...Northeast winds around 15 knots. Seas 2 to 3 feet. A slight chance of showers. A slight chance of thunderstorms after midnight. .WEDNESDAY...Northeast winds 15 to 20 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 4 to 6 feet, occasionally to 8 feet. A slight chance of showers and thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ472-030900- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 310 PM CDT Fri Oct 2 2026 .TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of thunderstorms. A chance of showers until early morning, then showers likely late. .SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 8 seconds. Showers with a chance of thunderstorms. .SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of thunderstorms. Showers. .SUNDAY...East winds 5 to 10 knots, becoming northeast 10 to 15 knots in the afternoon. Seas around 3 feet. Wave Detail: Southeast 3 feet at 7 seconds and northeast 2 feet at 3 seconds. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and southeast 3 feet at 7 seconds. A chance of thunderstorms. Showers. .MONDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds and southeast 2 feet at 7 seconds. A chance of thunderstorms. Showers. .MONDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet. A slight chance of thunderstorms. Showers likely, mainly in the evening. .TUESDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. A chance of thunderstorms in the morning. A chance of showers. .TUESDAY NIGHT...Northeast winds around 15 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY NIGHT...Northeast winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. A chance of showers with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ475-030900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 310 PM CDT Fri Oct 2 2026 .TONIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 8 seconds. A chance of thunderstorms. A chance of showers this evening, then showers likely after midnight. .SATURDAY...East winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 8 seconds. Showers with a chance of thunderstorms. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of thunderstorms. Showers. .SUNDAY...Southeast winds 5 to 10 knots. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds and northeast 2 feet at 3 seconds. A chance of thunderstorms. Showers. .MONDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds and southeast 3 feet at 7 seconds. Showers with a chance of thunderstorms. .MONDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. A chance of thunderstorms. Showers. .TUESDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Showers likely. A chance of thunderstorms, mainly in the morning. .TUESDAY NIGHT...Northeast winds around 15 knots. Seas 2 to 4 feet. Showers likely with a slight chance of thunderstorms. .WEDNESDAY...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...Northeast winds 25 to 30 knots, diminishing to 20 to 25 knots after midnight. Seas 6 to 9 feet, occasionally to 11 feet. A chance of showers with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$