Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
037 FZUS54 KLCH 160603 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 102 AM CDT Wed Jul 16 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. GMZ400-161900- 102 AM CDT Wed Jul 16 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 this afternoon. Winds and seas will increase Thursday through the weekend as a tropical disturbance moves across the northern gulf. There is a 40% chance of this disturbance strengthening into a tropical storm. Regardless of development, gusty winds and widespread rain is expected Thursday through Saturday. $$ GMZ430-161900- Sabine Lake- 102 AM CDT Wed Jul 16 2025 .TODAY...Light and variable winds, becoming southwest around 5 knots late this morning and early afternoon, then becoming south late. Lake waters light chop. .TONIGHT...Southwest winds 5 to 10 knots, becoming west after midnight. Lake waters light chop. .THURSDAY...Northwest winds around 5 knots, becoming southwest in the afternoon. Lake waters smooth. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .FRIDAY...West winds 5 to 10 knots. Lake waters light chop. Showers. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .FRIDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .SATURDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of thunderstorms. Showers likely, mainly in the morning. .SATURDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .SUNDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ432-161900- Calcasieu Lake- 102 AM CDT Wed Jul 16 2025 .TODAY...West winds around 5 knots, becoming southwest early this afternoon, then increasing to 5 to 10 knots late. Lake waters light chop. .TONIGHT...Southwest winds 5 to 10 knots, becoming west after midnight. Lake waters light chop. .THURSDAY...West winds around 5 knots. Lake waters smooth. A chance of thunderstorms. A chance of showers. .THURSDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .FRIDAY...West winds 5 to 10 knots. Lake waters light chop. Showers with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. .FRIDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .SATURDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A chance of thunderstorms. Showers likely, mainly in the morning. .SATURDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .SUNDAY...Southwest winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms. .SUNDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ435-161900- Vermilion and West Cote Blanche Bays- 102 AM CDT Wed Jul 16 2025 .TODAY...Northwest winds around 5 knots, becoming southwest around 5 knots late. Bay waters smooth. A slight chance of showers. A slight chance of thunderstorms until late afternoon, then a chance of thunderstorms late. .TONIGHT...West winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Northwest winds 5 to 10 knots. Bay waters light chop. Showers likely with a chance of thunderstorms in the morning, then showers and thunderstorms in the afternoon. .THURSDAY NIGHT...Northwest winds 5 to 10 knots. Bay waters light chop. Showers likely with a chance of thunderstorms in the evening, then showers with thunderstorms likely after midnight. .FRIDAY...Southwest winds around 10 knots. Bay waters light chop. Showers and thunderstorms. .FRIDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .SATURDAY...Southwest winds 5 to 10 knots. Bay waters light chop. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .SATURDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. .SUNDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ436-161900- Atchafalaya and East Cote Blanche Bays- 102 AM CDT Wed Jul 16 2025 .TODAY...Northwest winds around 5 knots, becoming west late. Bay waters smooth. A chance of showers and thunderstorms early this morning, then a slight chance of showers and thunderstorms late this morning and early afternoon. A chance of showers and thunderstorms late. .TONIGHT...West winds around 5 knots. Bay waters smooth. A chance of thunderstorms with a slight chance of showers in the evening, then thunderstorms likely with a chance of showers after midnight. .THURSDAY...Northwest winds 5 to 10 knots. Bay waters light chop. Showers and thunderstorms. .THURSDAY NIGHT...Northwest winds 5 to 10 knots, becoming southwest after midnight. Bay waters light chop. Thunderstorms likely. Showers likely in the evening, then showers after midnight. .FRIDAY...Southwest winds 5 to 10 knots. Bay waters light chop. Thunderstorms likely. Showers. .FRIDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .SATURDAY...Southwest 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...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. .SUNDAY...Southwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. Winds and waves higher in and near thunderstorms. $$ GMZ450-161900- Coastal waters from Cameron LA to High Island TX out 20 NM- 102 AM CDT Wed Jul 16 2025 .TODAY...Southwest winds 5 to 10 knots. Seas around 2 feet this morning, then 1 foot or less. Wave Detail: South 1 foot at 5 seconds. .TONIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. .THURSDAY...Northwest winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .FRIDAY...West winds around 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of thunderstorms. Showers. .FRIDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 3 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .SATURDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. A chance of showers and thunderstorms. .SATURDAY NIGHT...South winds around 10 knots. Seas around 2 feet. .SUNDAY...Southwest winds around 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ452-161900- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 102 AM CDT Wed Jul 16 2025 .TODAY...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. .TONIGHT...West 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. .THURSDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and south 1 foot at 5 seconds. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .THURSDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: Southwest 1 foot at 4 seconds, becoming southwest 1 foot at 3 seconds. Showers likely with a chance of thunderstorms in the evening, then showers with thunderstorms likely after midnight. .FRIDAY...West winds around 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. Thunderstorms likely. Showers. .FRIDAY NIGHT...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .SATURDAY...Southwest 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 around 2 feet. A slight chance of showers and thunderstorms after midnight. .SUNDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms, mainly in the morning. .SUNDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ455-161900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 102 AM CDT Wed Jul 16 2025 .TODAY...Northwest winds 5 to 10 knots, becoming west late. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late. .TONIGHT...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the evening, then thunderstorms likely with a chance of showers after midnight. .THURSDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers, thunderstorms. .THURSDAY NIGHT...Northwest winds 5 to 10 knots, becoming west after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. Thunderstorms likely. Showers likely in the evening, then showers after midnight. .FRIDAY...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: Southwest 1 foot at 3 seconds. Thunderstorms likely. Showers. .FRIDAY NIGHT...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 3 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .SATURDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. .SUNDAY...Southwest winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-161900- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 102 AM CDT Wed Jul 16 2025 .TODAY...Southwest winds around 5 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .TONIGHT...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. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. A chance of showers and 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 1 foot or less. Wave Detail: South 1 foot at 5 seconds. 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 around 10 knots. Seas around 2 feet. Wave Detail: Southwest 1 foot at 4 seconds. A chance of thunderstorms. Showers, mainly in the morning. .FRIDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. A slight chance of showers in the evening, then a chance of showers and thunderstorms after midnight. .SATURDAY...Southwest winds around 10 knots. Seas around 2 feet. A chance of showers. A chance of thunderstorms, mainly in the morning. .SATURDAY NIGHT...South winds around 10 knots. Seas around 2 feet. .SUNDAY...South winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ472-161900- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 102 AM CDT Wed Jul 16 2025 .TODAY...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds. A slight chance of showers and thunderstorms. .TONIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. A chance of showers and thunderstorms after midnight. .THURSDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds and south 1 foot at 5 seconds. A chance of thunderstorms. Showers. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: Southwest 1 foot at 4 seconds. Showers likely with a chance of thunderstorms in the evening, then showers with thunderstorms likely after midnight. .FRIDAY...Southwest winds around 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. Showers with thunderstorms likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. .FRIDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .SATURDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .SATURDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. .SUNDAY...South winds 5 to 10 knots. Seas around 2 feet. A chance of showers and thunderstorms, mainly in the morning. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ475-161900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 102 AM CDT Wed Jul 16 2025 .TODAY...Northwest winds 5 to 10 knots, becoming west late. Seas around 2 feet. Wave Detail: Northwest 1 foot at 4 seconds and south 1 foot at 5 seconds. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late. .TONIGHT...West winds around 5 knots, becoming northwest after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds and south 1 foot at 5 seconds. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .THURSDAY...Northwest winds around 10 knots. Seas around 2 feet. Wave Detail: Northwest 1 foot at 3 seconds and south 1 foot at 5 seconds. Showers with thunderstorms likely. .THURSDAY NIGHT...West winds around 10 knots, becoming southwest after midnight. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: West 1 foot at 3 seconds, becoming southwest 2 feet at 3 seconds. Showers likely with a chance of thunderstorms in the evening, then showers with thunderstorms likely after midnight. .FRIDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds and southeast 1 foot at 4 seconds. Showers with thunderstorms likely in the morning, then showers likely with a chance of thunderstorms in the afternoon. .FRIDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of 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 around 2 feet. A slight chance of showers and thunderstorms after midnight. .SUNDAY...South winds around 5 knots. Seas around 2 feet. A chance of showers. A chance of thunderstorms, mainly in the morning. .SUNDAY 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. $$