Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
564 FZUS54 KLCH 050559 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1258 AM CDT Sat Jul 5 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. GMZ400-051800- 1258 AM CDT Sat Jul 5 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... Expect to see a gradual return to typical summertime shower and storm activity from this weekend into the next work week. Weak surface high pressure meandering around the northwest Gulf today and early Sunday will keep seas low and rain chances fairly low. By Sunday afternoon and beyond, expect daily chances for scattered to numerous shower and thunderstorms over coastal waters. Seas will remain low through the period as patterns stall and weakness remains overhead. $$ GMZ430-051800- Sabine Lake- 1258 AM CDT Sat Jul 5 2025 .TODAY...Light and variable winds, becoming south around 5 knots late this morning and afternoon. Lake waters smooth. A slight chance of showers and thunderstorms until late afternoon. .TONIGHT...Southwest winds around 5 knots, becoming west around 5 knots after midnight. Lake waters smooth. .SUNDAY...Light and variable winds, becoming south around 5 knots in the afternoon. Lake waters smooth. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. .MONDAY...West winds around 5 knots, becoming south in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .MONDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms after midnight. .TUESDAY...Southwest winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. .WEDNESDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ432-051800- Calcasieu Lake- 1258 AM CDT Sat Jul 5 2025 .TODAY...East winds around 5 knots, becoming south around 5 knots this afternoon. Lake waters smooth. A chance of showers with a slight chance of thunderstorms early this morning. A slight chance of showers and thunderstorms this afternoon. .TONIGHT...Southwest winds around 5 knots, becoming west after midnight. Lake waters smooth. .SUNDAY...Northwest winds around 5 knots, becoming south in the afternoon. Lake waters light chop. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms after midnight. .MONDAY...West winds around 5 knots, becoming south in the afternoon. Lake waters light chop. A chance of showers and thunderstorms. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms after midnight. .TUESDAY...West winds around 5 knots, becoming southwest in the afternoon. Lake waters light chop. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ435-051800- Vermilion and West Cote Blanche Bays- 1258 AM CDT Sat Jul 5 2025 .TODAY...North winds around 5 knots, becoming west this afternoon. Bay waters smooth. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. .TONIGHT...West winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms. .SUNDAY...Northwest winds around 5 knots, becoming southwest in the afternoon. Bay waters smooth. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .SUNDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .MONDAY...Southwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .MONDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. .TUESDAY...Southwest winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Bay waters light chop. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY...West winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-051800- Atchafalaya and East Cote Blanche Bays- 1258 AM CDT Sat Jul 5 2025 .TODAY...Northwest winds around 5 knots, becoming west late. Bay waters smooth. A slight chance of showers and thunderstorms until late afternoon, then a chance of showers and thunderstorms late. .TONIGHT...Northwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms. .SUNDAY...North winds around 5 knots, becoming southwest in the afternoon. Bay waters smooth. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .SUNDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .MONDAY...Southwest winds around 5 knots. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .MONDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. .TUESDAY...Southwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...West winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers with a slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ450-051800- Coastal waters from Cameron LA to High Island TX out 20 NM- 1258 AM CDT Sat Jul 5 2025 .TODAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 4 seconds. A chance of showers and thunderstorms early this morning, then a slight chance of showers and thunderstorms late this morning. .TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. Wave Detail: South 1 foot at 4 seconds. .SUNDAY...Northwest winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A slight chance of showers and thunderstorms. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. A slight chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. A slight chance of showers and thunderstorms after midnight. .TUESDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...Southwest winds around 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .WEDNESDAY NIGHT...Southwest winds around 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-051800- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1258 AM CDT Sat Jul 5 2025 .TODAY...West winds around 5 knots, becoming southeast late this morning, then becoming southwest around 5 knots this afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of showers and thunderstorms early this morning, then a slight chance of showers and thunderstorms late this morning and afternoon. .TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. .SUNDAY...Northwest winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of showers and thunderstorms after midnight. .TUESDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southwest 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. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds around 10 knots. Seas around 2 feet. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-051800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1258 AM CDT Sat Jul 5 2025 .TODAY...Northwest winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. A chance of showers and thunderstorms early this morning, then a slight chance of showers and thunderstorms late this morning and afternoon. .TONIGHT...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A slight chance of showers and thunderstorms. .SUNDAY...North winds around 5 knots, becoming southwest around 5 knots in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. A chance of showers and thunderstorms after midnight. .TUESDAY...Southwest winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...West winds 5 to 10 knots. Seas 1 foot or less. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-051800- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1258 AM CDT Sat Jul 5 2025 .TODAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms early this morning, then a slight chance of showers and thunderstorms late this morning. .TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. .SUNDAY...South winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds. A slight chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. A slight chance of showers and thunderstorms after midnight. .MONDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. A slight chance of showers and thunderstorms after midnight. .TUESDAY...South winds around 5 knots. Seas 1 foot or less. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .TUESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .WEDNESDAY NIGHT...Southwest 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. $$ GMZ472-051800- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1258 AM CDT Sat Jul 5 2025 .TODAY...Southwest winds around 5 knots, becoming northwest around 5 knots early this afternoon, then becoming southwest around 5 knots late. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of showers with a slight chance of thunderstorms early this morning, then a slight chance of showers and thunderstorms late this morning. .TONIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A slight chance of showers and thunderstorms after midnight. .SUNDAY...Northwest winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds. A chance of showers and thunderstorms, mainly in the morning. .SUNDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of showers with a slight chance of thunderstorms after midnight. .MONDAY...South winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. A slight chance of showers and thunderstorms after midnight. .TUESDAY...South winds around 5 knots. Seas 1 foot or less. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-051800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1258 AM CDT Sat Jul 5 2025 .TODAY...Northwest winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. A chance of showers and thunderstorms, mainly this morning. .TONIGHT...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A slight chance of showers and thunderstorms after midnight. .SUNDAY...Northwest winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 5 seconds. Showers likely with a chance of thunderstorms in the morning, then a slight chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .MONDAY...South winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 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: South 1 foot at 4 seconds. A slight chance of showers and thunderstorms after midnight. .TUESDAY...South winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...West winds around 5 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$