Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
481 FZUS54 KLCH 220532 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1232 AM CDT Fri Aug 22 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. GMZ400-221800- 1232 AM CDT Fri Aug 22 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 trough will stall along the coast today. This trough will help bring an increase in chances for showers and thunderstorms during any time of day through Friday. More typical scattered showers and thunderstorms, mainly late night and early morning, and again in the afternoon will be in the forecast over the weekend as the weak front remains offshore. $$ GMZ430-221800- Sabine Lake- 1232 AM CDT Fri Aug 22 2025 .TODAY...Northeast winds around 5 knots, becoming east this afternoon. Lake waters smooth. Showers likely with a chance of thunderstorms this morning, then showers and thunderstorms this afternoon. .TONIGHT...Northeast winds around 5 knots. Lake waters smooth. Showers and thunderstorms likely, mainly in the evening. .SATURDAY...Northeast winds around 5 knots. Lake waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .SATURDAY NIGHT...South winds around 5 knots, becoming northwest after midnight. Lake waters smooth. A chance of showers with a slight chance of thunderstorms. .SUNDAY...North winds around 5 knots, becoming east in the afternoon. Lake waters smooth. A chance of showers and thunderstorms, mainly in the morning. .SUNDAY NIGHT...South winds around 5 knots, becoming west after midnight. Lake waters smooth. .MONDAY...North winds around 5 knots, becoming southeast in the afternoon. Lake waters smooth. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...South winds around 5 knots. Lake waters smooth. A slight chance of showers after midnight. .TUESDAY...Northeast winds around 5 knots, becoming southeast in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...East winds around 5 knots. Lake waters smooth. A chance of showers with a slight chance of thunderstorms. Winds and waves higher in and near thunderstorms. $$ GMZ432-221800- Calcasieu Lake- 1232 AM CDT Fri Aug 22 2025 .TODAY...Northeast winds around 5 knots. Lake waters smooth. Showers likely with a chance of thunderstorms early this morning, then showers and thunderstorms late this morning and afternoon. .TONIGHT...Northeast winds around 5 knots. Lake waters smooth. Showers likely. Thunderstorms likely, mainly in the evening. .SATURDAY...Northeast winds around 5 knots. Lake waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .SATURDAY NIGHT...South winds around 5 knots, becoming northwest after midnight. Lake waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .SUNDAY...North winds around 5 knots, becoming southeast in the afternoon. Lake waters smooth. A chance of showers and thunderstorms, mainly in the morning. .SUNDAY NIGHT...Southwest winds around 5 knots, becoming west after midnight. Lake waters smooth. .MONDAY...North winds around 5 knots, becoming southeast in the afternoon. Lake waters smooth. A slight chance of showers and thunderstorms. .MONDAY NIGHT...South winds around 5 knots. Lake waters smooth. A slight chance of showers after midnight. .TUESDAY...Northeast winds around 5 knots, becoming southeast in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southeast winds around 5 knots, becoming east after midnight. Lake waters smooth. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ435-221800- Vermilion and West Cote Blanche Bays- 1232 AM CDT Fri Aug 22 2025 .TODAY...Northeast winds around 5 knots, becoming southwest around 5 knots this afternoon. Bay waters smooth. A chance of showers and thunderstorms early this morning, then showers and thunderstorms likely late this morning and afternoon. .TONIGHT...Northeast winds around 5 knots. Bay waters smooth. Showers likely. Thunderstorms likely, mainly in the evening. .SATURDAY...North winds around 5 knots, becoming west in the afternoon. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .SATURDAY NIGHT...Southwest winds around 5 knots, becoming west around 5 knots after midnight. Bay waters smooth. A chance of showers and thunderstorms. .SUNDAY...North winds around 5 knots, becoming west in the afternoon. Bay waters smooth. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southwest winds around 5 knots, becoming west after midnight. Bay waters smooth. A slight chance of showers after midnight. .MONDAY...North winds around 5 knots, becoming south in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms. .MONDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms. .TUESDAY...Northeast winds around 5 knots, becoming south in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Southeast winds around 5 knots, becoming east after midnight. Bay waters smooth. A slight chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ GMZ436-221800- Atchafalaya and East Cote Blanche Bays- 1232 AM CDT Fri Aug 22 2025 .TODAY...Northeast winds around 5 knots, becoming west this afternoon. Bay waters smooth. A chance of showers and thunderstorms early this morning, then showers and thunderstorms likely late this morning and afternoon. .TONIGHT...Northeast winds around 5 knots. Bay waters smooth. Showers and thunderstorms likely, mainly in the evening. .SATURDAY...North winds around 5 knots, becoming west around 5 knots in the afternoon. Bay waters smooth. Showers and thunderstorms likely. .SATURDAY NIGHT...Southwest winds around 5 knots, becoming west after midnight. Bay waters smooth. A chance of showers and thunderstorms. .SUNDAY...Northwest winds around 5 knots, becoming west in the afternoon. Bay waters smooth. A chance of showers and thunderstorms. .SUNDAY NIGHT...West winds around 5 knots. Bay waters smooth. A slight chance of showers after midnight. .MONDAY...North winds around 5 knots, becoming southwest 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. .MONDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms. .TUESDAY...East winds around 5 knots, becoming south in the afternoon. Bay waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...East winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ GMZ450-221800- Coastal waters from Cameron LA to High Island TX out 20 NM- 1232 AM CDT Fri Aug 22 2025 .TODAY...Northeast winds 5 to 10 knots, becoming east this afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds. Showers and thunderstorms likely. .TONIGHT...East winds around 5 knots. Seas 1 foot or less. Thunderstorms likely with a chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. .SATURDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds. Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds around 5 knots, becoming southwest after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds. A chance of showers and thunderstorms. .SUNDAY...North winds 5 to 10 knots, becoming southeast in the afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds. A chance of showers and thunderstorms, mainly in the morning. .SUNDAY NIGHT...South winds 5 to 10 knots, becoming west after midnight. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds. A slight chance of showers after midnight. .MONDAY...North winds 5 to 10 knots, becoming southeast in the afternoon. Seas 1 foot or less. A slight chance of showers and thunderstorms. .MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .TUESDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southeast winds around 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A chance of showers with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ452-221800- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1232 AM CDT Fri Aug 22 2025 .TODAY...Northeast winds around 5 knots, becoming east early this afternoon, then becoming south late. Seas 1 foot or less. Thunderstorms likely. Showers. .TONIGHT...East winds around 5 knots. Seas 1 foot or less. A chance of showers. A chance of thunderstorms in the evening, then thunderstorms likely after midnight. .SATURDAY...North winds around 5 knots, becoming east in the afternoon. Seas 1 foot or less. Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds. A chance of showers and thunderstorms. .SUNDAY...North winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds. A chance of showers and thunderstorms, mainly in the morning. .SUNDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after midnight. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. A slight chance of showers after midnight. .MONDAY...North winds 5 to 10 knots, becoming southeast in the afternoon. Seas 1 foot or less. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .TUESDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-221800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1232 AM CDT Fri Aug 22 2025 .TODAY...Northeast winds around 5 knots, becoming west around 5 knots this afternoon. Seas 1 foot or less. Showers and thunderstorms likely until late afternoon, then a chance of showers and thunderstorms late. .TONIGHT...Northeast winds around 5 knots, becoming south after midnight. Seas 1 foot or less. A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. .SATURDAY...Northwest winds around 5 knots. Seas 1 foot or less. Showers with thunderstorms likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 2 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .SUNDAY...Northwest winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds. Showers and thunderstorms likely, mainly in the morning. .SUNDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .MONDAY...North winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less. A chance of showers with a slight chance of thunderstorms. .MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .TUESDAY...Southeast winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southeast winds around 5 knots. Seas 1 foot or less. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-221800- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1232 AM CDT Fri Aug 22 2025 .TODAY...North winds around 5 knots, becoming east this afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at 2 seconds. Showers this morning. Thunderstorms likely. A chance of showers this afternoon. .TONIGHT...Southeast winds around 5 knots. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .SATURDAY...Northeast winds around 5 knots. Seas 1 foot or less. Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds around 5 knots, becoming southwest after midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds and south 1 foot at 2 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .SUNDAY...Northwest winds 5 to 10 knots, becoming east in the afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .SUNDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. A slight chance of showers after midnight. .MONDAY...North winds around 5 knots, becoming east in the afternoon. Seas 1 foot or less. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .TUESDAY...South winds 5 to 10 knots. Seas 1 foot or less. A chance of showers. A chance of thunderstorms, mainly in the morning. .TUESDAY NIGHT...Southeast winds around 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-221800- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1232 AM CDT Fri Aug 22 2025 .TODAY...Northwest winds around 5 knots, becoming north early this afternoon, then becoming southeast late. Seas 1 foot or less. Showers with thunderstorms likely this morning, then a chance of showers and thunderstorms this afternoon. .TONIGHT...East winds around 5 knots, becoming south after midnight. Seas 1 foot or less. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .SATURDAY...Northwest winds around 5 knots, becoming northeast in the afternoon. Seas 1 foot or less. Showers with thunderstorms likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...South winds around 5 knots, becoming southwest after midnight. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 2 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .SUNDAY...Northwest 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. Showers and thunderstorms likely, mainly in the morning. .SUNDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds and southeast 1 foot at 6 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .MONDAY...North winds around 5 knots, becoming east in the afternoon. Seas 1 foot or less. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .TUESDAY...Southeast winds around 5 knots. Seas 1 foot or less. A chance of showers with a slight chance of thunderstorms. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-221800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1232 AM CDT Fri Aug 22 2025 .TODAY...West winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. Showers with thunderstorms likely this morning, then a chance of showers and thunderstorms this afternoon. .TONIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. .SATURDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 2 seconds. Showers with thunderstorms likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and south 1 foot at 5 seconds. Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds and south 1 foot at 6 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .MONDAY...Northwest winds around 5 knots, becoming east in the afternoon. Seas 1 foot or less. A chance of showers. A chance of thunderstorms, mainly in the morning. .MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .TUESDAY...Southeast winds 5 to 10 knots. Seas 1 foot or less. A chance of showers. A chance of thunderstorms, mainly in the morning. .TUESDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$