Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
944 FZUS54 KLCH 030507 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1206 AM CDT Wed Sep 3 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. GMZ400-031800- 1206 AM CDT Wed Sep 3 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... Waves are between 2 and 4 feet across the region, with higher waves to the east. Winds will remain below 15 knots through the week and from the east to northeast. $$ GMZ430-031800- Sabine Lake- 1206 AM CDT Wed Sep 3 2025 .TODAY...Northwest winds around 5 knots, becoming southwest this afternoon. Lake waters smooth. A slight chance of showers and thunderstorms this afternoon. .TONIGHT...Southwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms early in the evening. .THURSDAY...West winds around 5 knots, becoming southwest in the afternoon. Lake waters smooth. .THURSDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .FRIDAY...South winds 5 to 10 knots. Lake waters light chop. .FRIDAY NIGHT...South winds 5 to 10 knots, diminishing to around 5 knots after midnight. Lake waters light chop. .SATURDAY...Southeast winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms late in the morning. A chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms early in the evening, then a slight chance of showers in the late evening and overnight. A slight chance of thunderstorms after midnight. .SUNDAY...East winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .SUNDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. A chance of showers. A chance of thunderstorms early in the evening, then a slight chance of thunderstorms in the late evening and overnight. Winds and waves higher in and near thunderstorms. $$ GMZ432-031800- Calcasieu Lake- 1206 AM CDT Wed Sep 3 2025 .TODAY...North winds around 5 knots, becoming west this afternoon. Lake waters smooth. A chance of showers and thunderstorms early this afternoon. A slight chance of showers and thunderstorms late. .TONIGHT...Southwest winds around 5 knots. Lake waters smooth. .THURSDAY...Northwest winds around 5 knots, becoming southwest in the afternoon. Lake waters light chop. .THURSDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .FRIDAY...South winds 5 to 10 knots. Lake waters light chop. .FRIDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .SATURDAY...Southeast winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms early in the evening. A slight chance of showers and thunderstorms after midnight. .SUNDAY...East winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .SUNDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. A chance of showers. A chance of thunderstorms early in the evening, then a slight chance of thunderstorms in the late evening and overnight. Winds and waves higher in and near thunderstorms. $$ GMZ435-031800- Vermilion and West Cote Blanche Bays- 1206 AM CDT Wed Sep 3 2025 .TODAY...Northeast winds around 5 knots, becoming south around 5 knots this afternoon. Bay waters smooth. .TONIGHT...Southwest winds around 5 knots. Bay waters smooth. .THURSDAY...West winds around 5 knots, becoming southwest in the afternoon. Bay waters light chop. .THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming south after midnight. Bay waters light chop. .FRIDAY...South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Bay waters light chop. .FRIDAY NIGHT...South winds 5 to 10 knots, diminishing to around 5 knots after midnight. Bay waters light chop. .SATURDAY...Southeast winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms early in the evening. .SUNDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Bay waters light chop. A slight chance of showers and thunderstorms late in the morning. A chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms early in the evening, then a slight chance of showers and thunderstorms in the late evening and overnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-031800- Atchafalaya and East Cote Blanche Bays- 1206 AM CDT Wed Sep 3 2025 .TODAY...Northeast winds around 5 knots, becoming southeast this afternoon. Bay waters smooth. .TONIGHT...South winds around 5 knots. Bay waters smooth. .THURSDAY...North winds around 5 knots, becoming southwest around 5 knots in the afternoon. Bay waters smooth. .THURSDAY NIGHT...South winds around 5 knots. Bay waters smooth. .FRIDAY...South winds around 5 knots. Bay waters smooth. .FRIDAY NIGHT...South winds around 5 knots. Bay waters smooth. .SATURDAY...Southeast winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms early in the evening. .SUNDAY...East winds around 5 knots, becoming southeast around 5 knots in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Southeast winds around 5 knots, becoming east after midnight. Bay waters light chop. A chance of showers and thunderstorms early in the evening, then a slight chance of showers and thunderstorms in the late evening and overnight. Winds and waves higher in and near thunderstorms. $$ GMZ450-031800- Coastal waters from Cameron LA to High Island TX out 20 NM- 1206 AM CDT Wed Sep 3 2025 .TODAY...North winds around 5 knots, becoming southwest this afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 4 seconds. A slight chance of showers and thunderstorms late this morning and afternoon. .TONIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds. .THURSDAY...West winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds and southeast 1 foot at 4 seconds. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: South 1 foot at 4 seconds. .FRIDAY...South winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds. .SATURDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers late in the evening. A chance of showers with a slight chance of thunderstorms after midnight. .SUNDAY...East winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. A chance of showers. .SUNDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. A chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ452-031800- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1206 AM CDT Wed Sep 3 2025 .TODAY...Northeast winds 5 to 10 knots, becoming south this afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 4 seconds. A slight chance of showers and thunderstorms this afternoon. .TONIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. .THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and southeast 1 foot at 4 seconds. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. .FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds. .SATURDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers. A slight chance of thunderstorms early in the evening. A slight chance of thunderstorms after midnight. .SUNDAY...East winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. A chance of showers. .SUNDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. A chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ455-031800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1206 AM CDT Wed Sep 3 2025 .TODAY...Northeast winds 5 to 10 knots, becoming east this afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. A slight chance of showers and thunderstorms early this morning. .TONIGHT...South winds around 5 knots. Seas 1 foot or less. .THURSDAY...Northwest winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less. .THURSDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. .FRIDAY...South winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 2 seconds. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 2 seconds. .SATURDAY...Southeast winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. .SATURDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or less. A slight chance of showers. A slight chance of thunderstorms early in the evening. A slight chance of thunderstorms after midnight. .SUNDAY...East winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms early in the morning, then a chance of showers and thunderstorms in the late morning and afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less. A chance of showers. A chance of thunderstorms early in the evening, then a slight chance of thunderstorms in the late evening and overnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-031800- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1206 AM CDT Wed Sep 3 2025 .TODAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of showers and thunderstorms until late afternoon. .TONIGHT...South winds around 5 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: East 1 foot at 5 seconds. A slight chance of showers and thunderstorms in the late evening and overnight. .THURSDAY...West winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds and southeast 1 foot at 5 seconds. A slight chance of showers and thunderstorms early in the morning. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds and southeast 1 foot at 6 seconds. .FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. .FRIDAY NIGHT...Southeast winds around 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. A slight chance of showers after midnight. .SATURDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. A chance of showers with a slight chance of thunderstorms. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. A chance of showers. A slight chance of thunderstorms early in the evening. A slight chance of thunderstorms after midnight. .SUNDAY...East winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. A chance of showers. .SUNDAY NIGHT...East winds around 10 knots. Seas around 2 feet. A chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ472-031800- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1206 AM CDT Wed Sep 3 2025 .TODAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers and thunderstorms this morning. .TONIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 5 seconds. .THURSDAY...Northwest winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds and southeast 1 foot at 5 seconds. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and southeast 1 foot at 5 seconds. .FRIDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. A slight chance of showers in the late evening and overnight. .SATURDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. A chance of showers. A slight chance of thunderstorms early in the evening. A slight chance of thunderstorms after midnight. .SUNDAY...East winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .SUNDAY NIGHT...East winds around 10 knots. Seas around 2 feet. A chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ475-031800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1206 AM CDT Wed Sep 3 2025 .TODAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms early this morning, then a slight chance of showers and thunderstorms late this morning. .TONIGHT...East winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: East 2 feet at 5 seconds. .THURSDAY...Northeast winds around 5 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 6 seconds. .THURSDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 5 seconds. .FRIDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. A slight chance of showers. .SATURDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. A chance of showers. A slight chance of thunderstorms early in the evening. A slight chance of thunderstorms after midnight. .SUNDAY...East winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .SUNDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. A chance of showers. A chance of thunderstorms early in the evening, then a slight chance of thunderstorms in the late evening and overnight. Winds and seas higher in and near thunderstorms. $$