Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
724 FZUS54 KLCH 011811 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 110 PM CDT Fri Aug 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. GMZ400-020700- 110 PM CDT Fri Aug 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 surface boundary will approach the coastal waters from the north on Saturday 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 and winds and seas will be higher near the storms. $$ GMZ430-020700- Sabine Lake- 110 PM CDT Fri Aug 1 2025 .TONIGHT...Southwest winds around 5 knots, becoming northwest after midnight. Lake waters smooth. A chance of showers and thunderstorms early this evening. A chance of showers and thunderstorms after midnight. .SATURDAY...Northwest winds around 5 knots. Lake waters smooth. Thunderstorms likely. Showers likely. .SATURDAY NIGHT...North winds around 5 knots. Lake waters smooth. Showers likely. Thunderstorms likely, mainly in the evening. .SUNDAY...North winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .SUNDAY NIGHT...East winds around 5 knots, becoming northwest after midnight. Lake waters smooth. A slight chance of showers and thunderstorms. .MONDAY...Northeast winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds around 5 knots, becoming west around 5 knots after midnight. Lake waters smooth. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .TUESDAY...Northwest winds around 5 knots, becoming south in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...South winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms. .WEDNESDAY...Southeast winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...South winds around 5 knots. Lake waters smooth. Winds and waves higher in and near thunderstorms. $$ GMZ432-020700- Calcasieu Lake- 110 PM CDT Fri Aug 1 2025 .TONIGHT...West winds around 5 knots, becoming northwest after midnight. 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. .SATURDAY...Northwest winds around 5 knots. Lake waters smooth. Thunderstorms likely. Showers likely. .SATURDAY NIGHT...North winds around 5 knots. Lake waters smooth. Showers likely. 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 thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .MONDAY...Northeast winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds around 5 knots, becoming west 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. .TUESDAY...Northwest winds around 5 knots, becoming south in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...South 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. $$ GMZ435-020700- Vermilion and West Cote Blanche Bays- 110 PM CDT Fri Aug 1 2025 .TONIGHT...West winds around 5 knots, becoming northwest late. Bay waters smooth. A chance of thunderstorms. A chance of showers until early morning, then showers likely late. .SATURDAY...Northwest winds 5 to 10 knots. Bay waters light chop. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .SATURDAY NIGHT...North winds 5 to 10 knots. Bay waters light chop. Showers and thunderstorms likely, mainly in the evening. .SUNDAY...North winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .SUNDAY NIGHT...North winds around 5 knots. Bay waters smooth. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .MONDAY...Northwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .MONDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .TUESDAY...Northwest winds around 5 knots, becoming south in the afternoon. Bay waters smooth. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .TUESDAY NIGHT...South winds around 5 knots. Bay waters smooth. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .WEDNESDAY...South winds around 5 knots. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-020700- Atchafalaya and East Cote Blanche Bays- 110 PM CDT Fri Aug 1 2025 .TONIGHT...Northwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms until early morning, then showers and thunderstorms likely late. .SATURDAY...Northwest winds 5 to 10 knots. Bay waters light chop. Showers and thunderstorms likely. .SATURDAY NIGHT...North winds around 5 knots. Bay waters smooth. Showers likely. Thunderstorms likely, mainly in the evening. .SUNDAY...North winds around 5 knots. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then 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 west in the afternoon. Bay waters smooth. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .MONDAY 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. .TUESDAY...Southwest winds around 5 knots. 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...Southwest 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. $$ GMZ450-020700- Coastal waters from Cameron LA to High Island TX out 20 NM- 110 PM CDT Fri Aug 1 2025 .TONIGHT...Southwest winds 5 to 10 knots, becoming west after midnight. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. 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. .SATURDAY...Northwest winds 5 to 10 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers and thunderstorms. .SATURDAY NIGHT...Northwest winds 5 to 10 knots, becoming north after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. Showers and thunderstorms likely in the evening, then showers with 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: West 1 foot at 3 seconds and north 1 foot at 3 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...Southwest 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. .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...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...Northwest 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 showers 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 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. $$ GMZ452-020700- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 110 PM CDT Fri Aug 1 2025 .TONIGHT...West winds 5 to 10 knots, becoming northwest late. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. A chance of showers and thunderstorms this evening, then showers and thunderstorms likely after midnight. .SATURDAY...Northwest winds 5 to 10 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers and thunderstorms. .SATURDAY NIGHT...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 evening, then showers with a chance of thunderstorms 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: 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: North 1 foot at 3 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...Southwest 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. .TUESDAY...West winds 5 to 10 knots, becoming south 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. $$ GMZ455-020700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 110 PM CDT Fri Aug 1 2025 .TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. A chance of showers and thunderstorms until early morning, then showers and thunderstorms likely late. .SATURDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers and thunderstorms. .SATURDAY NIGHT...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers with thunderstorms likely. .SUNDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers and thunderstorms likely, mainly in the morning. .SUNDAY NIGHT...North winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .MONDAY...Northwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .TUESDAY...Southwest winds around 5 knots. Seas 1 foot or less. Showers likely with a chance of thunderstorms. .TUESDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...Southwest winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-020700- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 110 PM CDT Fri Aug 1 2025 .TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of showers and thunderstorms early this evening. A slight chance of showers and thunderstorms late this evening and early morning, then a chance of showers and thunderstorms late. .SATURDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers and thunderstorms, mainly in the morning. .SATURDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. .SUNDAY...Northwest 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...West winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and northeast 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...Northwest winds 5 to 10 knots, becoming northeast in the afternoon. 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 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...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 chance of showers with a slight chance of thunderstorms after midnight. .WEDNESDAY...South winds around 5 knots. Seas 1 foot or less, then around 2 feet in the afternoon. 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 slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-020700- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 110 PM CDT Fri Aug 1 2025 .TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. A chance of showers and thunderstorms this evening, then showers and thunderstorms likely after midnight. .SATURDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers and thunderstorms. .SATURDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 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 a chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Northwest 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 around 5 knots. 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. .MONDAY 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. .TUESDAY...Southwest winds around 5 knots. 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 around 2 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...South winds around 5 knots. Seas around 2 feet in the evening, then 1 foot or less. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-020700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 110 PM CDT Fri Aug 1 2025 .TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. A chance of thunderstorms this evening. A chance of showers. Thunderstorms likely after midnight. .SATURDAY...Northwest winds around 10 knots. Seas around 2 feet. Wave Detail: West 1 foot at 3 seconds. Showers and thunderstorms. .SATURDAY NIGHT...Northwest winds around 10 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: West 1 foot at 3 seconds, becoming northwest 1 foot at 3 seconds. Thunderstorms likely. Showers. .SUNDAY...Northwest 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...Northwest 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...Northwest 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 morning. .MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .TUESDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. Showers. .TUESDAY 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. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...South winds around 5 knots. Seas around 2 feet in the evening, then 1 foot or less. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$