Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
997 FZUS54 KLCH 010533 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1233 AM CDT Mon Sep 1 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. GMZ400-011800- 1233 AM CDT Mon Sep 1 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... A stationary front draped along the coast will be the focus for showers and storms through the next few days as it slowly meanders south through the coastal waters. Winds will be mainly E to NE through the next couple of days, before becoming more W to NW Wed through Fri. Rain chances taper off Wed, with dry conditions expected through the second half of the week. $$ GMZ430-011800- Sabine Lake- 1233 AM CDT Mon Sep 1 2025 .TODAY...East winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .TONIGHT...Southeast winds around 5 knots, becoming northeast after midnight. Lake waters smooth. A chance of showers and thunderstorms early in the evening, then a slight chance of showers and thunderstorms late in the evening. A chance of showers and thunderstorms after midnight. .TUESDAY...Northeast winds around 5 knots. Lake waters smooth. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .TUESDAY NIGHT...Southeast winds around 5 knots, becoming southwest after midnight. Lake waters smooth. A chance of showers and thunderstorms early in the evening. .WEDNESDAY...Northwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms early in the evening. .THURSDAY...Northwest winds around 5 knots, becoming southwest around 5 knots in the afternoon. Lake waters smooth. .THURSDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. .FRIDAY...Southwest winds around 5 knots. Lake waters smooth. .FRIDAY NIGHT...South winds around 5 knots. Lake waters smooth. Winds and waves higher in and near thunderstorms. $$ GMZ432-011800- Calcasieu Lake- 1233 AM CDT Mon Sep 1 2025 .TODAY...East winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms early this morning, then a chance of showers and thunderstorms late this morning and afternoon. .TONIGHT...East winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms early in the evening, then a slight chance of showers and thunderstorms late in the evening. A chance of showers and thunderstorms after midnight. .TUESDAY...East winds around 5 knots. Lake waters smooth. A chance of showers. A slight chance of thunderstorms early in the morning, then a chance of thunderstorms in the late morning and afternoon. .TUESDAY NIGHT...East winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms early in the evening. A slight chance of thunderstorms late in the evening. A slight chance of showers in the late evening and early morning. .WEDNESDAY...North winds around 5 knots, becoming west in the afternoon. Lake waters smooth. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...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. Lake waters smooth. .THURSDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. .FRIDAY...Southwest winds around 5 knots. Lake waters smooth. .FRIDAY NIGHT...South winds around 5 knots. Lake waters smooth. Winds and waves higher in and near thunderstorms. $$ GMZ435-011800- Vermilion and West Cote Blanche Bays- 1233 AM CDT Mon Sep 1 2025 .TODAY...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms late this morning. A chance of showers and thunderstorms this afternoon. .TONIGHT...East winds 5 to 10 knots. Bay waters light chop. A chance of thunderstorms in the evening. A chance of showers. A slight chance of thunderstorms after midnight. .TUESDAY...East winds 5 to 10 knots. Bay waters light chop. A chance of showers. A slight chance of thunderstorms early in the morning, then a chance of thunderstorms in the late morning and afternoon. .TUESDAY NIGHT...East winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms early in the evening, then a slight chance of thunderstorms in the late evening and early morning. A slight chance of showers in the late evening and overnight. .WEDNESDAY...Northeast winds around 5 knots, becoming northwest in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms early in the evening. .THURSDAY...West winds around 5 knots. Bay waters smooth. .THURSDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. .FRIDAY...Southwest winds around 5 knots. Bay waters smooth. .FRIDAY NIGHT...South winds around 5 knots. Bay waters smooth. Winds and waves higher in and near thunderstorms. $$ GMZ436-011800- Atchafalaya and East Cote Blanche Bays- 1233 AM CDT Mon Sep 1 2025 .TODAY...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. .TONIGHT...East winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms early in the evening. A slight chance of showers and thunderstorms in the late evening and early morning, then a chance of showers and thunderstorms late. .TUESDAY...East winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .TUESDAY NIGHT...East winds around 5 knots. Bay waters smooth. A chance of thunderstorms in the evening. A chance of showers. A slight chance of thunderstorms after midnight. .WEDNESDAY...Northeast winds around 5 knots, becoming northwest around 5 knots in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms. .THURSDAY...Northwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms early in the morning. .THURSDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. .FRIDAY...Southwest winds around 5 knots. Bay waters smooth. .FRIDAY NIGHT...South winds around 5 knots. Bay waters smooth. A slight chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ450-011800- Coastal waters from Cameron LA to High Island TX out 20 NM- 1233 AM CDT Mon Sep 1 2025 .TODAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of thunderstorms. Showers likely, mainly this morning. .TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. A chance of showers and thunderstorms. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 4 seconds. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds and southeast 1 foot at 4 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY...North winds 5 to 10 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds and southeast 1 foot at 4 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. A slight chance of showers. A slight chance of thunderstorms after midnight. .THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers early in the morning. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. .FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ452-011800- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1233 AM CDT Mon Sep 1 2025 .TODAY...East winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A chance of showers and thunderstorms. .TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. A chance of showers and thunderstorms. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. A chance of showers and thunderstorms. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 4 seconds. A chance of showers. A chance of thunderstorms, mainly in the evening. .WEDNESDAY...Northeast winds 5 to 10 knots, becoming northwest in the afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds and southeast 1 foot at 4 seconds. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. A slight chance of showers and thunderstorms. .THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms early in the morning. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. .FRIDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-011800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1233 AM CDT Mon Sep 1 2025 .TODAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 3 seconds. A chance of showers and thunderstorms. .TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 3 seconds. A chance of thunderstorms. A chance of showers. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: East 1 foot at 3 seconds. A chance of thunderstorms. Showers likely until late afternoon, then a chance of showers late. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less. A chance of showers. .WEDNESDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late. .WEDNESDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds. A slight chance of thunderstorms. A slight chance of showers until early morning, then a chance of showers late. .THURSDAY...Northwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the morning. .THURSDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. .FRIDAY...Southwest winds around 5 knots. Seas 1 foot or less. .FRIDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A slight chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-011800- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1233 AM CDT Mon Sep 1 2025 .TODAY...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. Thunderstorms likely this morning. Showers. A chance of thunderstorms this afternoon. .TONIGHT...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of thunderstorms. A chance of showers until early morning, then showers likely late. .TUESDAY...Northeast winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of thunderstorms. Showers likely until late afternoon, then a chance of showers late. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms in the evening. A slight chance of thunderstorms late. .WEDNESDAY...North winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 1 foot at 3 seconds and east 1 foot at 5 seconds. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers late. .WEDNESDAY NIGHT...South winds around 5 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: West 1 foot at 3 seconds and east 1 foot at 5 seconds. A slight chance of showers after midnight. .THURSDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers in the morning. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. .FRIDAY...South winds 5 to 10 knots. Seas 1 foot or less. .FRIDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ472-011800- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1233 AM CDT Mon Sep 1 2025 .TODAY...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of thunderstorms. Showers likely until late afternoon, then a chance of showers late. .TONIGHT...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of thunderstorms. A chance of showers early in the evening, then showers likely in the late evening and overnight. .TUESDAY...Northeast winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A chance of thunderstorms. Showers likely until late afternoon, then a chance of showers late. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers. A chance of thunderstorms early in the evening, then a slight chance of thunderstorms in the late evening and overnight. .WEDNESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 1 foot at 3 seconds and east 1 foot at 5 seconds. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late. .WEDNESDAY NIGHT...Southeast winds around 5 knots, becoming south after midnight. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: West 1 foot at 3 seconds and east 1 foot at 5 seconds. A slight chance of thunderstorms early in the evening. A slight chance of showers in the evening. A chance of showers with a slight chance of thunderstorms after midnight. .THURSDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. A chance of showers with a slight chance of thunderstorms early in the morning, then a slight chance of showers and thunderstorms in the late morning and early afternoon. .THURSDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. .FRIDAY...South winds around 5 knots. Seas 1 foot or less. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-011800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1233 AM CDT Mon Sep 1 2025 .TODAY...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of thunderstorms. Showers likely until late afternoon, then a chance of showers late. .TONIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A chance of thunderstorms. Showers. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. Showers likely with a chance of thunderstorms. .WEDNESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 1 foot at 5 seconds. A chance of thunderstorms. Showers likely early in the morning, then a chance of showers in the late morning and afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 1 foot at 3 seconds and east 1 foot at 5 seconds. A slight chance of thunderstorms. .THURSDAY...North winds 5 to 10 knots. Seas 1 foot or less. A chance of showers with a slight chance of thunderstorms until late afternoon, then a slight chance of showers late. .THURSDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. .FRIDAY...Southwest winds around 5 knots, becoming southeast in the afternoon. Seas 1 foot or less. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or less. A slight chance of showers early in the evening. A slight chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$