Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
710 FZUS54 KLCH 060537 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1237 AM CDT Sun Jul 6 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. GMZ400-061800- 1237 AM CDT Sun Jul 6 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... Weak surface high pressure will continue to meander around the northwest Gulf today, keeping light winds and low seas in place. The chance for scattered afternoon convection begins to increase slightly today and more substantially tomorrow as an upper low moves overhead. Rain chances then decrease some through the midweek as the upper low weakens and dissipates, with typical typical summertime convection expected each day. Winds and seas will remain low through the week. $$ GMZ430-061800- Sabine Lake- 1237 AM CDT Sun Jul 6 2025 .TODAY...Light and variable winds, becoming southeast around 5 knots late this morning, then becoming south this afternoon. Lake waters light chop. A slight chance of showers and thunderstorms this afternoon. .TONIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Lake waters light chop. .MONDAY...Southwest winds around 5 knots, becoming south in the afternoon. Lake waters light chop. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .MONDAY NIGHT...South winds around 5 knots. Lake waters smooth. .TUESDAY...South winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...South winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Southwest winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Lake waters light chop. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms after midnight. .THURSDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ432-061800- Calcasieu Lake- 1237 AM CDT Sun Jul 6 2025 .TODAY...North winds around 5 knots, becoming south this afternoon. Lake waters light chop. A chance of showers and thunderstorms early this afternoon. A slight chance of showers and thunderstorms late. .TONIGHT...Southwest winds 5 to 10 knots, diminishing to around 5 knots after midnight. Lake waters light chop. .MONDAY...South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Lake waters light chop. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .MONDAY NIGHT...South winds 5 to 10 knots, diminishing to around 5 knots after midnight. Lake waters light chop. .TUESDAY...South winds around 5 knots, increasing to 5 to 10 knots 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. A slight chance of showers and thunderstorms after midnight. .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. .THURSDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .THURSDAY 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. $$ GMZ435-061800- Vermilion and West Cote Blanche Bays- 1237 AM CDT Sun Jul 6 2025 .TODAY...North winds around 5 knots, becoming south this afternoon. Bay waters smooth. A slight chance of showers and thunderstorms this morning, then a chance of showers and thunderstorms this afternoon. .TONIGHT...Southwest winds 5 to 10 knots, diminishing to around 5 knots after midnight. Bay waters light chop. A chance of showers and thunderstorms, mainly in the evening. .MONDAY...South winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .MONDAY NIGHT...South winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. .TUESDAY...South winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Bay waters light chop. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers with a slight chance of thunderstorms after midnight. .THURSDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-061800- Atchafalaya and East Cote Blanche Bays- 1237 AM CDT Sun Jul 6 2025 .TODAY...North winds around 5 knots, becoming southwest around 5 knots this afternoon. Bay waters smooth. A chance of showers and thunderstorms. .TONIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers. A chance of thunderstorms, mainly in the evening. .MONDAY...Southeast winds around 5 knots, becoming south around 5 knots in the afternoon. Bay waters smooth. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .MONDAY NIGHT...South winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. .TUESDAY...South 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. .THURSDAY...West winds 5 to 10 knots. Bay waters light chop. Showers likely with a chance of thunderstorms. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ450-061800- Coastal waters from Cameron LA to High Island TX out 20 NM- 1237 AM CDT Sun Jul 6 2025 .TODAY...West winds around 5 knots, becoming southeast late this morning and early afternoon, then becoming south late. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. A slight chance of showers and thunderstorms until late afternoon. .TONIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. .MONDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: South 1 foot at 4 seconds. A slight chance of showers and thunderstorms after midnight. .TUESDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. A chance of showers and thunderstorms. .TUESDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds around 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms after midnight. .THURSDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. A chance of showers and thunderstorms, mainly in the morning. .THURSDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-061800- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1237 AM CDT Sun Jul 6 2025 .TODAY...Northwest winds around 5 knots, becoming northeast late this morning, then becoming south this afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds. A slight chance of showers this morning. A chance of thunderstorms. A chance of showers this afternoon. .TONIGHT...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 after midnight. .MONDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. Showers likely with a chance of thunderstorms. .MONDAY NIGHT...South 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 after midnight. .TUESDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 3 seconds. 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 with a slight chance of thunderstorms after midnight. .THURSDAY...Southwest winds around 10 knots. Seas around 2 feet. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-061800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1237 AM CDT Sun Jul 6 2025 .TODAY...North winds around 5 knots, becoming south around 5 knots this afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. A chance of showers and thunderstorms, mainly this morning. .TONIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of showers and thunderstorms, mainly in the evening. .MONDAY...South winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. A chance of showers and thunderstorms after midnight. .TUESDAY...South winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 2 seconds. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of showers with a slight chance of thunderstorms after midnight. .THURSDAY...West winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...Southwest winds around 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-061800- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1237 AM CDT Sun Jul 6 2025 .TODAY...Southwest winds around 5 knots, becoming south late this morning and afternoon. Seas around 2 feet. Wave Detail: Southwest 1 foot at 5 seconds. A slight chance of thunderstorms until late afternoon. A slight chance of showers. .TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. .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 around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight. .TUESDAY...South winds around 5 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A chance of showers and thunderstorms. .TUESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. 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, 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. .THURSDAY...Southwest winds around 10 knots. Seas around 2 feet. A chance of showers and thunderstorms, mainly in the morning. .THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-061800- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1237 AM CDT Sun Jul 6 2025 .TODAY...Northwest winds around 5 knots, becoming northeast late this morning, then becoming south this afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds. A chance of showers and thunderstorms this morning, then a slight chance of showers and thunderstorms early this afternoon. .TONIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds. .MONDAY...South winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. A chance of showers with a slight chance of thunderstorms after midnight. .TUESDAY...South winds around 5 knots. Seas 1 foot or less, then around 2 feet in the afternoon. Wave Detail: South 1 foot at 5 seconds, becoming south 2 feet at 6 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .TUESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A chance of showers. A chance of thunderstorms, mainly in the morning. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms after midnight. .THURSDAY...Southwest winds around 10 knots. Seas around 2 feet. A chance of showers. A chance of thunderstorms, mainly in the morning. .THURSDAY NIGHT...Southwest winds around 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-061800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1237 AM CDT Sun Jul 6 2025 .TODAY...North winds around 5 knots, becoming east early this afternoon, then becoming south late. Seas 1 foot or less. Wave Detail: West 1 foot at 5 seconds. A chance of showers and thunderstorms, mainly 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. .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 chance of showers with a slight chance of thunderstorms after midnight. .TUESDAY...South winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 6 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .TUESDAY NIGHT...South winds around 5 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. 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 5 to 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms after midnight. .THURSDAY...West winds 5 to 10 knots. Seas around 2 feet. Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .THURSDAY 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. $$