Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
524 FZUS54 KLCH 020531 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1231 AM CDT Sat Aug 2 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. GMZ400-021800- 1231 AM CDT Sat Aug 2 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 surface boundary will approach the coastal waters from the north today then stall and washout through early next week. Mainly a light west to northwest flow is expected out ahead of the frontal boundary with low seas. There will be a chance for showers and thunderstorms each day today through the work week, and winds and seas will be higher near any storms. $$ GMZ430-021800- Sabine Lake- 1231 AM CDT Sat Aug 2 2025 .TODAY...Northwest winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms until late afternoon, then showers and thunderstorms likely late. .TONIGHT...North winds around 5 knots. Lake waters smooth. Showers and thunderstorms likely, mainly in the evening. .SUNDAY...Northeast winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southeast winds around 5 knots, becoming northwest after midnight. Lake waters smooth. A slight chance of showers and thunderstorms. .MONDAY...Northeast winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds around 5 knots, becoming west around 5 knots after midnight. Lake waters smooth. A slight chance of showers and thunderstorms. .TUESDAY...Northeast winds around 5 knots, becoming southeast in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southeast winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms. .WEDNESDAY...Southeast winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...South winds around 5 knots. Lake waters smooth. Winds and waves higher in and near thunderstorms. $$ GMZ432-021800- Calcasieu Lake- 1231 AM CDT Sat Aug 2 2025 .TODAY...Northwest winds around 5 knots. Lake waters smooth. A chance of thunderstorms this morning. Showers likely. Thunderstorms likely this afternoon. .TONIGHT...North winds around 5 knots. Lake waters smooth. Showers and thunderstorms likely, mainly in the evening. .SUNDAY...North winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .SUNDAY NIGHT...North winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms after midnight. .MONDAY...Northeast winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...South winds around 5 knots, becoming west after midnight. Lake waters smooth. A chance of showers and thunderstorms 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. Lake waters smooth. A slight chance of showers and thunderstorms. .WEDNESDAY...Southeast winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...South winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ435-021800- Vermilion and West Cote Blanche Bays- 1231 AM CDT Sat Aug 2 2025 .TODAY...Northwest winds 5 to 10 knots. Bay waters light chop. A chance of thunderstorms this morning. Showers likely. Thunderstorms likely this afternoon. .TONIGHT...North winds 5 to 10 knots. Bay waters light chop. Thunderstorms with showers likely in the evening, then a chance of showers and thunderstorms after midnight. .SUNDAY...North winds 5 to 10 knots. Bay waters light chop. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .SUNDAY NIGHT...North winds around 5 knots. Bay waters smooth. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .MONDAY...North winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds around 5 knots, becoming southwest after midnight. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .TUESDAY...Northeast winds around 5 knots, becoming southeast in the afternoon. Bay waters smooth. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .TUESDAY NIGHT...Southeast winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...South winds around 5 knots. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-021800- Atchafalaya and East Cote Blanche Bays- 1231 AM CDT Sat Aug 2 2025 .TODAY...Northwest winds around 5 knots. Bay waters smooth. Showers and thunderstorms likely. .TONIGHT...North winds 5 to 10 knots. Bay waters light chop. A chance of showers. Thunderstorms, mainly in the evening. .SUNDAY...North winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .SUNDAY NIGHT...North winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .MONDAY...Northwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .MONDAY NIGHT...Southeast winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .TUESDAY...Northeast winds around 5 knots, becoming southeast in the afternoon. Bay waters smooth. Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. .TUESDAY NIGHT...Southeast winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .WEDNESDAY...South winds around 5 knots. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .WEDNESDAY NIGHT...South winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ450-021800- Coastal waters from Cameron LA to High Island TX out 20 NM- 1231 AM CDT Sat Aug 2 2025 .TODAY...Northwest winds 5 to 10 knots, becoming southwest late. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A chance of thunderstorms. Showers likely, mainly this morning. .TONIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. Showers likely. Thunderstorms likely, mainly in the evening. .SUNDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds and west 1 foot at 3 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...South winds around 5 knots, becoming northwest after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .MONDAY...North winds 5 to 10 knots, becoming east in the afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .TUESDAY...North winds 5 to 10 knots, becoming southeast in the afternoon. Seas 1 foot or less. A chance of showers and thunderstorms. .TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .WEDNESDAY...South winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-021800- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1231 AM CDT Sat Aug 2 2025 .TODAY...Northwest winds 5 to 10 knots, becoming west late. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers and thunderstorms likely, mainly this morning. .TONIGHT...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers likely. Thunderstorms likely, mainly in the evening. .SUNDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .MONDAY...North winds 5 to 10 knots, becoming northwest in the afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 2 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .TUESDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Seas 1 foot or less. Showers likely with a chance of thunderstorms. .TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...South winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-021800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1231 AM CDT Sat Aug 2 2025 .TODAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers and thunderstorms likely. .TONIGHT...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers likely. A chance of thunderstorms in the evening, then thunderstorms likely after midnight. .SUNDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers and thunderstorms likely. .SUNDAY NIGHT...North winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .MONDAY...North winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. .TUESDAY...Northwest winds around 5 knots, becoming east in the afternoon. Seas 1 foot or less. A chance of thunderstorms. Showers. .TUESDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...South winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-021800- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1231 AM CDT Sat Aug 2 2025 .TODAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers and thunderstorms likely, mainly this morning. .TONIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. .SUNDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Northeast winds around 5 knots, becoming northwest after midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds and west 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .MONDAY...North winds around 5 knots. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds and south 1 foot at 3 seconds. A slight chance of showers in the evening, then a chance of showers and thunderstorms after midnight. .TUESDAY...North winds around 5 knots, becoming east in the afternoon. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .TUESDAY NIGHT...Southeast 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. .WEDNESDAY...South winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-021800- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1231 AM CDT Sat Aug 2 2025 .TODAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers with thunderstorms likely this morning, then a chance of showers and thunderstorms this afternoon. .TONIGHT...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A chance of showers. A chance of thunderstorms in the evening, then thunderstorms likely after midnight. .SUNDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...North winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .MONDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .TUESDAY...West winds around 5 knots, becoming east in the afternoon. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...South winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-021800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1231 AM CDT Sat Aug 2 2025 .TODAY...Northwest winds around 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. Showers this morning. Thunderstorms likely. Showers likely this afternoon. .TONIGHT...North winds around 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. Showers likely with a chance of thunderstorms in the evening, then showers with thunderstorms likely after midnight. .SUNDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers with thunderstorms likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. .SUNDAY NIGHT...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. .MONDAY...North winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers likely. Thunderstorms likely, mainly in the morning. .MONDAY 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 and thunderstorms likely after midnight. .TUESDAY...West winds 5 to 10 knots, becoming southeast in the afternoon. Seas 1 foot or less. A chance of thunderstorms. Showers. .TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...South winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$