Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
331 FZUS54 KLCH 140534 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1234 AM CDT Mon Jul 14 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. GMZ400-141800- 1234 AM CDT Mon Jul 14 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... High pressure extending across the northern Gulf will maintain light onshore winds and low seas through late next week. Daily scattered showers and thunderstorms will continue over the coastal waters through Monday with lower rain chances Tuesday and Wednesday as upper level ridging builds across the northern gulf. $$ GMZ430-141800- Sabine Lake- 1234 AM CDT Mon Jul 14 2025 .TODAY...Southwest winds around 5 knots, becoming south late. Lake waters light chop. A chance of showers. A slight chance of thunderstorms early this morning, then a chance of thunderstorms late this morning and afternoon. .TONIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Lake waters light chop. .TUESDAY...Southwest winds around 5 knots, becoming south in the afternoon. Lake waters light chop. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...West winds around 5 knots, becoming south in the afternoon. Lake waters light chop. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots, diminishing to around 5 knots after midnight. Lake waters light chop. .THURSDAY...Northwest winds around 5 knots, becoming south in the afternoon. Lake waters smooth. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A chance of showers with a slight chance of thunderstorms. .FRIDAY...Southwest winds around 5 knots. Lake waters smooth. Showers likely with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .FRIDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms. Winds and waves higher in and near thunderstorms. $$ GMZ432-141800- Calcasieu Lake- 1234 AM CDT Mon Jul 14 2025 .TODAY...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of showers. A slight chance of thunderstorms early this morning, then a chance of thunderstorms late this morning and afternoon. .TONIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. .TUESDAY...West winds around 5 knots, becoming south in the afternoon. Lake waters light chop. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...West winds around 5 knots, becoming southwest in the afternoon. Lake waters light chop. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. .THURSDAY...Northwest winds around 5 knots, becoming south in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .FRIDAY...Southwest winds 5 to 10 knots. Lake waters light chop. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .FRIDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. 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. $$ GMZ435-141800- Vermilion and West Cote Blanche Bays- 1234 AM CDT Mon Jul 14 2025 .TODAY...Southwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms this morning, then showers and thunderstorms likely early this afternoon. A chance of showers and thunderstorms late. .TONIGHT...Southwest winds around 5 knots. Bay waters smooth. .TUESDAY...Northwest winds around 5 knots, becoming southwest in the afternoon. Bay waters light chop. A chance of showers and thunderstorms. .TUESDAY NIGHT...West winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY...Northwest winds around 5 knots, becoming west around 5 knots in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...North winds around 5 knots, becoming west in the afternoon. Bay waters smooth. Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. .THURSDAY NIGHT...West winds around 5 knots. Bay waters smooth. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .FRIDAY...Southwest winds 5 to 10 knots. Bay waters light chop. Showers. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .FRIDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-141800- Atchafalaya and East Cote Blanche Bays- 1234 AM CDT Mon Jul 14 2025 .TODAY...Southwest winds around 5 knots. Bay waters smooth. A chance of thunderstorms. .TONIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening. .TUESDAY...West winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...West winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY...Northwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...West winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .THURSDAY...North winds around 5 knots, becoming west in the afternoon. Bay waters smooth. Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. .THURSDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .FRIDAY...Southwest winds 5 to 10 knots. Bay waters light chop. Showers. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .FRIDAY 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. $$ GMZ450-141800- Coastal waters from Cameron LA to High Island TX out 20 NM- 1234 AM CDT Mon Jul 14 2025 .TODAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late. .TONIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: South 1 foot at 5 seconds. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .THURSDAY...West winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .FRIDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Showers likely with a chance of thunderstorms. .FRIDAY NIGHT...South winds around 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-141800- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1234 AM CDT Mon Jul 14 2025 .TODAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. A chance of showers and thunderstorms. .TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: South 2 feet at 5 seconds, becoming southwest 1 foot at 4 seconds. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 4 seconds. .WEDNESDAY...West winds 5 to 10 knots, becoming southwest in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest 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 in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Northwest winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Showers likely with a chance of thunderstorms. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .FRIDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. Showers. .FRIDAY NIGHT...Southwest winds around 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. $$ GMZ455-141800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1234 AM CDT Mon Jul 14 2025 .TODAY...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. A chance of thunderstorms. .TONIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 2 seconds. .TUESDAY...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Northwest winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .FRIDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. Showers. .FRIDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-141800- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1234 AM CDT Mon Jul 14 2025 .TODAY...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms early this morning, then a chance of showers and thunderstorms late this morning and early afternoon. A slight chance of showers late. .TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .TUESDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. 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. Wave Detail: South 2 feet at 6 seconds. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .WEDNESDAY 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. .THURSDAY...West winds around 5 knots, becoming southeast in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. A chance of showers. A chance of thunderstorms, mainly in the morning. .THURSDAY 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. .FRIDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...South 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. $$ GMZ472-141800- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1234 AM CDT Mon Jul 14 2025 .TODAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late. .TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A slight chance of thunderstorms. A chance of showers, mainly in the morning. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. .WEDNESDAY...West winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 6 seconds. A chance of showers and thunderstorms after midnight. .THURSDAY...Northwest winds around 5 knots. Seas 1 foot or less. Showers likely. A chance of thunderstorms, mainly in the morning. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .FRIDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. A chance of thunderstorms. Showers. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers in the evening, then a chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-141800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1234 AM CDT Mon Jul 14 2025 .TODAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late. .TONIGHT...Southwest winds around 5 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. .TUESDAY...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds. A chance of showers and thunderstorms, mainly in the morning. .TUESDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds. .WEDNESDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds and south 1 foot at 5 seconds. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...West 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 evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. Showers. .THURSDAY NIGHT...Southwest winds 5 to 10 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. .FRIDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. Showers. .FRIDAY 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. $$