


Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
658 FZUS54 KLCH 170559 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1258 AM CDT Fri Oct 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. GMZ400-171800- 1258 AM CDT Fri Oct 17 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... Tonight into Fri, winds will begin to increase slightly, with gusts around 15-18 kts. Now through the weekend, waves will range 1 - 3 ft. Rain chances will return on late Friday and continue until the passage of a cold front on Sunday. Brief onshore flow will take place before resuming onshore Monday afternoon. $$ GMZ430-171800- Sabine Lake- 1258 AM CDT Fri Oct 17 2025 .TODAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots late. Lake waters choppy. .TONIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. .SATURDAY...Southeast winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .SATURDAY NIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Lake waters light chop. A chance of showers. A chance of thunderstorms after midnight. .SUNDAY...North winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. .MONDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Lake waters light chop. .MONDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .TUESDAY...South winds around 5 knots. Lake waters smooth. .TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming east after midnight. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ432-171800- Calcasieu Lake- 1258 AM CDT Fri Oct 17 2025 .TODAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots late. Lake waters choppy. .TONIGHT...Southeast winds around 10 knots. Lake waters light chop. .SATURDAY...Southeast winds 5 to 10 knots, becoming south 10 to 15 knots with gusts up to 20 knots in the afternoon. Lake waters choppy. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SATURDAY NIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Lake waters light chop. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .SUNDAY...Northwest winds 5 to 10 knots, becoming north 10 to 15 knots with gusts up to 20 knots in the afternoon. Lake waters choppy. A slight chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds around 10 knots. Lake waters light chop. .MONDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Lake waters light chop. .MONDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .TUESDAY...South winds 5 to 10 knots. Lake waters light chop. .TUESDAY NIGHT...South winds 5 to 10 knots, becoming east after midnight. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ435-171800- Vermilion and West Cote Blanche Bays- 1258 AM CDT Fri Oct 17 2025 .TODAY...East winds 5 to 10 knots, becoming southeast 10 to 15 knots late. Bay waters choppy. .TONIGHT...Southeast winds around 10 knots. Bay waters light chop. .SATURDAY...Southeast winds 10 to 15 knots. Bay waters choppy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...South winds around 10 knots, becoming southwest after midnight. Bay waters light chop. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .SUNDAY...Northwest winds 5 to 10 knots, becoming north 10 to 15 knots in the afternoon. Bay waters choppy. A slight chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .MONDAY...East winds around 10 knots, becoming southeast in the afternoon. Bay waters light chop. .MONDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. .TUESDAY...South winds 5 to 10 knots. Bay waters light chop. .TUESDAY NIGHT...Southwest winds 5 to 10 knots, becoming northeast after midnight. Bay waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ436-171800- Atchafalaya and East Cote Blanche Bays- 1258 AM CDT Fri Oct 17 2025 .TODAY...Southeast winds 5 to 10 knots. Bay waters light chop. .TONIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. .SATURDAY...Southeast 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, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Bay waters light chop. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .SUNDAY...Northwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters light chop. .MONDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Bay waters light chop. .MONDAY NIGHT...Southeast winds around 5 knots. Bay waters smooth. .TUESDAY...South winds around 5 knots, becoming southwest in the afternoon. Bay waters smooth. .TUESDAY NIGHT...South winds around 5 knots, becoming east after midnight. Bay waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ450-171800- Coastal waters from Cameron LA to High Island TX out 20 NM- 1258 AM CDT Fri Oct 17 2025 .TODAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. .TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds. .SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .SATURDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .SUNDAY...Northwest winds 10 to 15 knots, becoming northeast in the afternoon. Seas around 2 feet. Wave Detail: North 2 feet at 5 seconds. A slight chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds and southwest 1 foot at 5 seconds. .MONDAY...Southeast winds 10 to 15 knots. Seas around 2 feet. .MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet. .TUESDAY...South winds 5 to 10 knots. Seas around 2 feet. .TUESDAY NIGHT...Southeast winds around 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-171800- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1258 AM CDT Fri Oct 17 2025 .TODAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds. .TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. .SATURDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...South winds around 10 knots, becoming southwest after midnight. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .SUNDAY...Northwest winds 10 to 15 knots, becoming north in the afternoon. Seas around 2 feet. Wave Detail: West 2 feet at 4 seconds and northeast 2 feet at 5 seconds. A slight chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 4 seconds and west 1 foot at 4 seconds. .MONDAY...East winds 10 to 15 knots. Seas around 2 feet. .MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet. .TUESDAY...South winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. .TUESDAY NIGHT...South winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ455-171800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1258 AM CDT Fri Oct 17 2025 .TODAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 3 seconds. .TONIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 3 seconds. .SATURDAY...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 3 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...South winds around 10 knots, becoming southwest after midnight. Seas around 2 feet. Wave Detail: South 1 foot at 2 seconds. A chance of showers and thunderstorms. .SUNDAY...Northwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: West 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: North 2 feet at 3 seconds. .MONDAY...East winds 5 to 10 knots. Seas around 2 feet. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. .TUESDAY...South winds around 5 knots, becoming north in the afternoon. Seas 1 foot or less. .TUESDAY NIGHT...South winds 5 to 10 knots, becoming east after midnight. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ470-171800- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1258 AM CDT Fri Oct 17 2025 .TODAY...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. .SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of thunderstorms in the morning. A chance of showers. .SATURDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .SUNDAY...Northwest winds 10 to 15 knots, becoming northeast in the afternoon. Seas 2 to 3 feet. Wave Detail: West 3 feet at 5 seconds and northeast 3 feet at 6 seconds. A slight chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 5 seconds and southwest 1 foot at 5 seconds. .MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. .MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet. .TUESDAY...South winds 5 to 10 knots. Seas around 2 feet. .TUESDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ472-171800- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1258 AM CDT Fri Oct 17 2025 .TODAY...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .TONIGHT...Southeast winds around 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .SATURDAY...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .SUNDAY...Northwest winds 10 to 15 knots, becoming north in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds and northwest 2 feet at 4 seconds. A chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 5 seconds and northwest 2 feet at 5 seconds. .MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. .MONDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet. .TUESDAY...South winds 5 to 10 knots, becoming east in the afternoon. Seas around 2 feet. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ475-171800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1258 AM CDT Fri Oct 17 2025 .TODAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .TONIGHT...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. .SATURDAY...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...South winds around 10 knots, becoming southwest after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers and thunderstorms. .SUNDAY...Northwest winds around 10 knots, becoming north in the afternoon. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds and northwest 2 feet at 4 seconds. A chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: North 4 feet at 5 seconds. .MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. .TUESDAY...Southeast winds 5 to 10 knots, becoming northeast in the afternoon. Seas 2 to 3 feet. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$