Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
198 FZUS54 KLCH 021803 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 102 PM 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. GMZ400-030700- 102 PM 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 weak pressure and a surface frontal system stalled along the coast will bring light mainly offshore winds and low seas for the remainder of the weekend. Ahead of the frontal system over the coastal waters, chances for scattered showers and thunderstorms will continue. By the middle part of the week, low pressure over the Plains and weak high pressure along the Gulf coast will bring a return to mainly light onshore flow. $$ GMZ430-030700- Sabine Lake- 102 PM CDT Sat Aug 2 2025 .TONIGHT...Northeast winds around 5 knots, becoming northwest late this evening and overnight. Lake waters smooth. A chance of showers and thunderstorms. .SUNDAY...Northeast winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southeast winds around 5 knots, becoming northeast after midnight. Lake waters smooth. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. .MONDAY...Northeast winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...Southwest winds around 5 knots, becoming northwest after midnight. Lake waters smooth. A slight chance of showers and thunderstorms. .TUESDAY...North winds around 5 knots, becoming southeast in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southeast winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms. .WEDNESDAY...Southeast winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...South winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms. .THURSDAY...Northwest winds around 5 knots, becoming south in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .THURSDAY NIGHT...South winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ GMZ432-030700- Calcasieu Lake- 102 PM CDT Sat Aug 2 2025 .TONIGHT...North winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms early this evening, then a slight chance of showers and thunderstorms late this evening. A chance of showers and thunderstorms after midnight. .SUNDAY...North winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .SUNDAY NIGHT...Northwest winds around 5 knots, becoming northeast after midnight. Lake waters smooth. A slight chance of showers and thunderstorms. .MONDAY...Northeast winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms. .MONDAY NIGHT...North winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms. .TUESDAY...North 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 thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .WEDNESDAY...East winds around 5 knots, becoming south in the afternoon. 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. .THURSDAY...North winds around 5 knots, becoming south in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .THURSDAY NIGHT...South winds around 5 knots. Lake 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. $$ GMZ435-030700- Vermilion and West Cote Blanche Bays- 102 PM CDT Sat Aug 2 2025 .TONIGHT...North winds 5 to 10 knots. Bay waters light chop. A chance of showers. A chance of thunderstorms until early morning, then a slight chance of thunderstorms late. .SUNDAY...North winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .SUNDAY NIGHT...North winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms, mainly in the evening. .MONDAY...Northeast winds around 5 knots, becoming northwest 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...South winds around 5 knots, becoming east 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. Showers likely with a chance of thunderstorms. .TUESDAY NIGHT...Southeast 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. .WEDNESDAY...Southeast winds around 5 knots, becoming south in the afternoon. 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 chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .THURSDAY...Northwest winds around 5 knots, becoming south in the afternoon. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .THURSDAY NIGHT...Southwest 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. Winds and waves higher in and near thunderstorms. $$ GMZ436-030700- Atchafalaya and East Cote Blanche Bays- 102 PM CDT Sat Aug 2 2025 .TONIGHT...North winds 5 to 10 knots. Bay waters light chop. Showers and thunderstorms likely early this evening, then a chance of showers and thunderstorms late this evening and overnight. .SUNDAY...North winds 5 to 10 knots, becoming northwest in the afternoon. 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...North winds around 5 knots, becoming northwest in the afternoon. Bay waters smooth. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds around 5 knots, becoming southeast after midnight. Bay waters smooth. A chance of showers and thunderstorms. .TUESDAY...Northeast winds around 5 knots, becoming southeast in the afternoon. Bay waters smooth. Showers and thunderstorms likely. .TUESDAY NIGHT...South 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. .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 chance of showers and thunderstorms. .THURSDAY...West winds around 5 knots, becoming southwest around 5 knots in the afternoon. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .THURSDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ GMZ450-030700- Coastal waters from Cameron LA to High Island TX out 20 NM- 102 PM CDT Sat Aug 2 2025 .TONIGHT...West winds 5 to 10 knots, becoming north late. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. A chance of thunderstorms. A chance of showers this evening, then showers likely after midnight. .SUNDAY...North winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...Southwest winds around 5 knots, becoming northeast after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds and southwest 1 foot at 2 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .MONDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at 2 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. Wave Detail: North 1 foot at 2 seconds and west 1 foot at 4 seconds. 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...Southeast 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. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. A chance of showers and thunderstorms. .THURSDAY 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 in the evening, then a chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-030700- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 102 PM CDT Sat Aug 2 2025 .TONIGHT...Northwest winds 5 to 10 knots, becoming north late. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A chance of thunderstorms. A chance of showers until early morning, then showers likely late. .SUNDAY...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 thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...Northwest winds around 5 knots, becoming north after midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .MONDAY...Northeast winds 5 to 10 knots, becoming northwest in the afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at 2 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...Southwest winds around 5 knots, becoming east after midnight. 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...North winds around 5 knots, becoming southeast in the afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. 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 slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Southwest winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY 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. $$ GMZ455-030700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 102 PM CDT Sat Aug 2 2025 .TONIGHT...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Thunderstorms likely this evening. Showers likely. A chance of thunderstorms after midnight. .SUNDAY...North winds 5 to 10 knots, becoming northwest in the afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...North winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds. A chance of showers and thunderstorms. .MONDAY...North winds around 5 knots, becoming northwest in the afternoon. Seas 1 foot or less. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: 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. .TUESDAY...Northeast winds around 5 knots, becoming southeast in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds. Showers with thunderstorms likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. .TUESDAY NIGHT...South 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. .WEDNESDAY...Southwest winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...Southwest 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. .THURSDAY...Southwest winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers. .THURSDAY NIGHT...Southwest 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. $$ GMZ470-030700- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 102 PM CDT Sat Aug 2 2025 .TONIGHT...Northwest winds around 5 knots, becoming north late. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. A chance of showers and thunderstorms until early morning, then showers and thunderstorms likely late. .SUNDAY...North winds 5 to 10 knots, becoming northwest in the afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Showers and thunderstorms likely, mainly in the morning. .SUNDAY NIGHT...Northwest winds around 5 knots, becoming north after midnight. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds and northeast 1 foot at 3 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .MONDAY...Northeast winds around 5 knots. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. A chance of showers. A chance of thunderstorms, mainly in the morning. .MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds and northeast 1 foot at 3 seconds. A chance of showers and thunderstorms after midnight. .TUESDAY...Northwest winds around 5 knots, becoming east in the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds and southwest 1 foot at 4 seconds. A chance of showers and thunderstorms. .TUESDAY 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. .WEDNESDAY...South winds around 5 knots. Seas 1 foot or less. A chance of showers. A chance of thunderstorms, mainly in the morning. .WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms after midnight. .THURSDAY...Southwest winds around 5 knots. Seas around 2 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-030700- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 102 PM CDT Sat Aug 2 2025 .TONIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A chance of showers and thunderstorms this 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 and thunderstorms likely, mainly in the morning. .SUNDAY NIGHT...North winds around 5 knots. Seas 1 foot or less. Wave Detail: North 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: North 1 foot at 3 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...North winds around 5 knots, becoming south 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. .TUESDAY...Northwest winds around 5 knots, becoming east in the afternoon. Seas 1 foot or less. Wave Detail: East 1 foot at 4 seconds and southwest 1 foot at 4 seconds. Showers and thunderstorms 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 slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Southwest winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY 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. $$ GMZ475-030700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 102 PM CDT Sat Aug 2 2025 .TONIGHT...Northwest winds around 10 knots. Seas around 2 feet this evening, then 1 foot or less. Wave Detail: Northwest 1 foot at 4 seconds. A chance of showers and thunderstorms until early morning, then showers and thunderstorms likely late. .SUNDAY...Northwest 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 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .MONDAY...North winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers and thunderstorms likely, mainly in the morning. .MONDAY NIGHT...Northeast winds around 5 knots, becoming south after midnight. Seas 1 foot or less. Wave Detail: Northwest 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...Southwest winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. Showers with thunderstorms likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. .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...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. Showers, 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. .THURSDAY...Southwest winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers. .THURSDAY 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. $$