


Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
316 FZUS54 KLCH 080539 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1239 AM CDT Tue Jul 8 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. GMZ400-081800- 1239 AM CDT Tue Jul 8 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 high pressure at the surface over the northeast Gulf will ridge across into the coastal waters. This will allow for mainly light southerly winds to continue along with low seas. A weak disturbance aloft will keep a daily chance of scattered showers and thunderstorms in the forecast. $$ GMZ430-081800- Sabine Lake- 1239 AM CDT Tue Jul 8 2025 .TODAY...South winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms early this morning, then showers and thunderstorms likely late this morning and early afternoon. A chance of showers and thunderstorms late. .TONIGHT...Southwest winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms, mainly in the evening. .WEDNESDAY...Southwest winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Lake waters light chop. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms after midnight. .FRIDAY...South winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .FRIDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms after midnight. .SATURDAY...South winds 5 to 10 knots. Lake waters light chop. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .SATURDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ432-081800- Calcasieu Lake- 1239 AM CDT Tue Jul 8 2025 .TODAY...Southwest winds around 5 knots, becoming south this afternoon. Lake waters light chop. A chance of showers and thunderstorms early this morning, then showers and thunderstorms late this morning and early afternoon. A chance of showers and thunderstorms late. .TONIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms, mainly in the evening. .WEDNESDAY...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. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms after midnight. .FRIDAY...South winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .FRIDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms after midnight. .SATURDAY...South winds 5 to 10 knots. Lake waters light chop. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .SATURDAY NIGHT...South 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. $$ GMZ435-081800- Vermilion and West Cote Blanche Bays- 1239 AM CDT Tue Jul 8 2025 .TODAY...Southwest winds around 5 knots. Bay waters smooth. A chance of thunderstorms this morning. Showers likely. Thunderstorms likely this afternoon. .TONIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms, mainly in the evening. .WEDNESDAY...Southwest winds 5 to 10 knots. Bay waters light chop. Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Southwest winds 5 to 10 knots. Bay waters light chop. Showers with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .THURSDAY NIGHT...Southwest winds around 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms after midnight. .FRIDAY...South winds 5 to 10 knots. Bay waters light chop. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .FRIDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms after midnight. .SATURDAY...South winds 5 to 10 knots. Bay waters light chop. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .SATURDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-081800- Atchafalaya and East Cote Blanche Bays- 1239 AM CDT Tue Jul 8 2025 .TODAY...South winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms this morning, then showers and thunderstorms likely this afternoon. .TONIGHT...Southwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms, mainly in the evening. .WEDNESDAY...Southwest winds 5 to 10 knots. Bay waters light chop. Showers likely with a chance of thunderstorms. .WEDNESDAY 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. .THURSDAY...Southwest winds 5 to 10 knots. Bay waters light chop. Showers with a chance of thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers with a slight chance of thunderstorms after midnight. .FRIDAY...South 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. .FRIDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. A chance of showers with a slight chance of thunderstorms after midnight. .SATURDAY...South 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...South winds around 5 knots. Bay waters smooth. A chance of showers with a slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ450-081800- Coastal waters from Cameron LA to High Island TX out 20 NM- 1239 AM CDT Tue Jul 8 2025 .TODAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. Showers and thunderstorms likely, mainly this morning. .TONIGHT...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms, mainly in the evening. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 3 seconds and south 2 feet at 6 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight. .FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms after midnight. .SATURDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .SATURDAY NIGHT...South winds around 10 knots. Seas around 2 feet. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-081800- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1239 AM CDT Tue Jul 8 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 early this morning, then showers and thunderstorms likely late this morning and early afternoon. A chance of showers and thunderstorms late. .TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 1 foot at 5 seconds. A chance of showers and thunderstorms. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. Showers likely with a chance of thunderstorms. .WEDNESDAY NIGHT...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms after midnight. .FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms after midnight. .SATURDAY...South winds around 10 knots. Seas 2 to 3 feet. Showers likely with a chance of thunderstorms. .SATURDAY NIGHT...South winds around 10 knots. Seas around 2 feet. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-081800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1239 AM CDT Tue Jul 8 2025 .TODAY...South winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds. A chance of thunderstorms. .TONIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 2 seconds. A chance of showers and thunderstorms. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. Showers likely with a chance of thunderstorms. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: Southwest 1 foot at 3 seconds. A chance of showers with a slight chance of thunderstorms after midnight. .FRIDAY...South winds 5 to 10 knots. Seas around 2 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .FRIDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms after midnight. .SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .SATURDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-081800- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1239 AM CDT Tue Jul 8 2025 .TODAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms early this morning, then showers and thunderstorms likely late this morning. A chance of showers and thunderstorms this afternoon. .TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A chance of showers in the evening, then a slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds and south 2 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms after midnight. .THURSDAY...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 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. .THURSDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight. .FRIDAY...South winds 10 to 15 knots. Seas around 3 feet. A chance of showers and thunderstorms. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas around 3 feet. A chance of showers and thunderstorms after midnight. .SATURDAY...South winds around 10 knots. Seas 2 to 3 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .SATURDAY NIGHT...South winds around 10 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-081800- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1239 AM CDT Tue Jul 8 2025 .TODAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A chance of showers and thunderstorms early this morning, then showers and thunderstorms likely late this morning and early afternoon. A chance of showers and thunderstorms late. .TONIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms after midnight. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 3 seconds and south 2 feet at 6 seconds. A chance of showers and thunderstorms after midnight. .THURSDAY...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms after midnight. .FRIDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Showers likely with a chance of thunderstorms. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers and thunderstorms after midnight. .SATURDAY...South winds around 10 knots. Seas 2 to 3 feet. A chance of thunderstorms. Showers, mainly in the morning. .SATURDAY NIGHT...South winds around 10 knots. Seas around 2 feet. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-081800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1239 AM CDT Tue Jul 8 2025 .TODAY...South winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 6 seconds. A chance of showers this morning. A chance of thunderstorms. Showers likely this afternoon. .TONIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 6 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 7 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms after midnight. .THURSDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms after midnight. .FRIDAY...South winds around 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 chance of showers and thunderstorms after midnight. .SATURDAY...South winds 5 to 10 knots. Seas around 2 feet. A chance of thunderstorms. Showers, mainly in the morning. .SATURDAY 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. $$