Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
402 FZUS54 KLCH 170838 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 338 AM CDT Thu Apr 17 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. GMZ400-172115- 338 AM CDT Thu Apr 17 2025 .SYNOPSIS... Onshore flow will resume this afternoon and increase on Thursday, prevailing elevated flow through the weekend. A Small Craft Caution will go into effect this afternoon but it may need to be upgraded to Small Craft Advisory if winds are stronger than expected. Waves will increase in response to the winds with a combination of swell and wind waves. Wave heights will be between 6 and 8 feet near the end of the week and going into the weekend. The swell will be from the south and will have a period of 7 to 8 seconds and will peak late in the week. Chances for showers and thunderstorms, some with the possibility of severe, increase later in the day Sunday and continue into Monday as a front lingers near coastal waters. $$ GMZ430-172115- Sabine Lake- 338 AM CDT Thu Apr 17 2025 .TODAY...South winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. .TONIGHT...South winds around 15 knots with gusts up to 20 knots. Lake waters choppy. .FRIDAY...South winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. .FRIDAY NIGHT...Southeast winds around 15 knots with gusts up to 20 knots. Lake waters choppy. .SATURDAY...Southeast winds around 15 knots with gusts up to 20 knots. Lake waters choppy. .SATURDAY NIGHT...Southeast winds around 15 knots with gusts up to 20 knots. Lake waters choppy. .SUNDAY...South winds 10 to 15 knots. Lake waters choppy. A chance of showers and thunderstorms. .SUNDAY NIGHT...South winds 10 to 15 knots, becoming southeast 5 to 10 knots after midnight. Lake waters choppy. A chance of showers and thunderstorms. .MONDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Lake waters light chop. A chance of showers and thunderstorms. .MONDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ432-172115- Calcasieu Lake- 338 AM CDT Thu Apr 17 2025 .TODAY...South winds 10 to 15 knots. Gusts up to 25 knots late this morning and afternoon. Lake waters choppy. .TONIGHT...South winds 15 to 20 knots. Lake waters rough. .FRIDAY...South winds around 15 knots with gusts up to 25 knots. Lake waters choppy. .FRIDAY NIGHT...Southeast winds around 15 knots with gusts up to 20 knots. Lake waters choppy. .SATURDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. .SATURDAY NIGHT...Southeast winds around 15 knots with gusts up to 25 knots. Lake waters choppy. .SUNDAY...South winds 10 to 15 knots. Lake waters choppy. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters choppy. A chance of showers and thunderstorms. .MONDAY...East winds around 10 knots, becoming southeast in the afternoon. Lake waters light chop. A chance of showers and thunderstorms. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ435-172115- Vermilion and West Cote Blanche Bays- 338 AM CDT Thu Apr 17 2025 .TODAY...South winds 5 to 10 knots, becoming southeast 10 to 15 knots with gusts up to 20 knots late this morning and afternoon. Bay waters choppy. .TONIGHT...South winds around 15 knots with gusts up to 20 knots. Bay waters choppy. .FRIDAY...South winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. .FRIDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. .SATURDAY...Southeast winds 15 to 20 knots. Bay waters rough. .SATURDAY NIGHT...Southeast winds around 15 knots with gusts up to 20 knots. Bay waters choppy. .SUNDAY...Southeast winds 10 to 15 knots. Bay waters choppy. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SUNDAY NIGHT...Southeast winds 10 to 15 knots, becoming south 5 to 10 knots after midnight. Bay waters choppy. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .MONDAY...Southeast winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ436-172115- Atchafalaya and East Cote Blanche Bays- 338 AM CDT Thu Apr 17 2025 .TODAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots this afternoon. Bay waters choppy. .TONIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. .FRIDAY...South winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. .SATURDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. .SUNDAY...Southeast winds 10 to 15 knots. Bay waters choppy. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .MONDAY...South winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .MONDAY NIGHT...Southeast winds around 5 knots. Bay waters smooth. Winds and waves higher in and near thunderstorms. $$ GMZ450-172115- Coastal waters from Cameron LA to High Island TX out 20 NM- 338 AM CDT Thu Apr 17 2025 .TODAY...South winds around 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds. .TONIGHT...South winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at 5 seconds. .FRIDAY...South winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at 6 seconds. .FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at 6 seconds. .SATURDAY...Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds and south 4 feet at 8 seconds. .SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds and south 2 feet at 8 seconds. .SUNDAY...South winds 10 to 15 knots. Seas 3 to 4 feet. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms. .MONDAY...East winds around 10 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms, mainly in the morning. .MONDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ452-172115- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 338 AM CDT Thu Apr 17 2025 .TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds. .TONIGHT...South winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 4 feet at 5 seconds. .FRIDAY...South winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 4 feet at 6 seconds. .FRIDAY NIGHT...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 4 seconds and south 3 feet at 7 seconds. .SATURDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 4 feet at 6 seconds. .SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 5 seconds and south 4 feet at 8 seconds. .SUNDAY...Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet. A chance of showers. A chance of thunderstorms, mainly in the morning. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .MONDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers. A chance of thunderstorms, mainly in the morning. .MONDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ455-172115- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 338 AM CDT Thu Apr 17 2025 .TODAY...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 3 seconds. .TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 3 seconds. .FRIDAY...South winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 6 seconds and south 2 feet at 3 seconds. .FRIDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 3 seconds and south 2 feet at 7 seconds. .SATURDAY...Southeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 7 seconds and southeast 2 feet at 3 seconds. .SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds and south 2 feet at 8 seconds. .SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SUNDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-172115- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 338 AM CDT Thu Apr 17 2025 .TODAY...South winds around 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. .TONIGHT...South winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds. .FRIDAY...South winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds. .FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 7 seconds. .SATURDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South 6 feet at 8 seconds. .SATURDAY NIGHT...Southeast winds around 15 knots with gusts up to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South 6 feet at 8 seconds. .SUNDAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A chance of showers. A chance of thunderstorms, mainly in the morning. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers and thunderstorms. .MONDAY...East winds around 10 knots. Seas 3 to 4 feet. A chance of showers and thunderstorms, mainly in the morning. .MONDAY NIGHT...East winds around 10 knots. Seas 3 to 4 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-172115- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 338 AM CDT Thu Apr 17 2025 .TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. .TONIGHT...Southeast winds 10 to 15 knots, becoming south 15 to 20 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 5 seconds. .FRIDAY...South winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds. .FRIDAY NIGHT...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 7 seconds. .SATURDAY...Southeast winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 7 seconds. .SATURDAY NIGHT...Southeast winds 15 to 20 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 8 seconds. .SUNDAY...Southeast winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .MONDAY...Southeast winds around 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers and thunderstorms, mainly in the morning. .MONDAY NIGHT...Southeast winds around 10 knots. Seas 3 to 4 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-172115- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 338 AM CDT Thu Apr 17 2025 .TODAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds. .TONIGHT...Southeast winds 10 to 15 knots, becoming south 15 to 20 knots after midnight. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet after midnight. Wave Detail: Southeast 3 feet at 5 seconds, becoming south 5 feet at 5 seconds. .FRIDAY...South winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds. .FRIDAY NIGHT...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 7 seconds. .SATURDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 7 seconds. .SATURDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 8 seconds. .SUNDAY...Southeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers and thunderstorms. .SUNDAY NIGHT...Southeast winds around 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers after midnight. .MONDAY...Southeast winds 5 to 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 3 to 4 feet. A slight chance of showers. A slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$