Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
311 FZUS54 KLCH 040601 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 101 AM CDT Fri Jul 4 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. GMZ400-041900- 101 AM CDT Fri Jul 4 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 area situated over the northern Gulf, while weak and meandering at times, will result in light, variable winds and low seas through the start of next week. During the same time frame, expansive low over the Florida peninsula expands into the northeast Gulf. This feature will result in general weakness aloft and a return to typical summertime pattern of onshore flow and low seas. $$ GMZ430-041900- Sabine Lake- 101 AM CDT Fri Jul 4 2025 .TODAY...Light and variable winds, becoming southeast around 5 knots this afternoon. Lake waters smooth. A slight chance of showers and thunderstorms. .TONIGHT...Southwest winds around 5 knots. Lake waters smooth. .SATURDAY...Light and variable winds, becoming south around 5 knots in the afternoon. Lake waters smooth. A slight chance of showers and thunderstorms. .SATURDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. .SUNDAY...Northwest winds around 5 knots, becoming south in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms. .MONDAY...West winds around 5 knots, becoming south in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .MONDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms after midnight. .TUESDAY...Southwest winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ432-041900- Calcasieu Lake- 101 AM CDT Fri Jul 4 2025 .TODAY...Northwest winds around 5 knots, becoming south this afternoon. Lake waters smooth. A slight chance of showers and thunderstorms early this morning. A slight chance of showers and thunderstorms this afternoon. .TONIGHT...Southwest winds around 5 knots. Lake waters smooth. .SATURDAY...North winds around 5 knots, becoming south in the afternoon. Lake waters smooth. A slight chance of showers and thunderstorms. .SATURDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms after midnight. .SUNDAY...Northwest winds around 5 knots, becoming southwest in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .SUNDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .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 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ435-041900- Vermilion and West Cote Blanche Bays- 101 AM CDT Fri Jul 4 2025 .TODAY...Northwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms early this morning, then a chance of showers and thunderstorms late this morning and afternoon. .TONIGHT...West winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms. .SATURDAY...Northwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...West winds around 5 knots. Bay waters smooth. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .SUNDAY...Northwest winds around 5 knots, becoming southwest in the afternoon. Bay waters smooth. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .SUNDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .MONDAY...Northwest winds around 5 knots, becoming south in the afternoon. Bay waters smooth. Showers likely with a chance of thunderstorms. .MONDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. .TUESDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-041900- Atchafalaya and East Cote Blanche Bays- 101 AM CDT Fri Jul 4 2025 .TODAY...Northwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .TONIGHT...Northwest 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. .SATURDAY...Northwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .SATURDAY NIGHT...West 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. .SUNDAY...North winds around 5 knots, becoming southwest in the afternoon. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .SUNDAY NIGHT...Southwest 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. .MONDAY...East winds around 5 knots, becoming southwest around 5 knots in the afternoon. Bay waters smooth. Showers likely with a chance of thunderstorms. .MONDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A chance of showers with a slight chance of thunderstorms after midnight. .TUESDAY...Southwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .TUESDAY 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. $$ GMZ450-041900- Coastal waters from Cameron LA to High Island TX out 20 NM- 101 AM CDT Fri Jul 4 2025 .TODAY...Southwest winds 5 to 10 knots, becoming south this afternoon. Seas around 2 feet this morning, then 1 foot or less. Wave Detail: South 1 foot at 5 seconds, becoming south 1 foot at 4 seconds. A slight chance of showers and thunderstorms this morning. .TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 4 seconds. .SATURDAY...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. A slight chance of showers and thunderstorms. .SATURDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A slight chance of showers and thunderstorms after midnight. .SUNDAY...Northwest winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of showers and thunderstorms, mainly in the morning. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .MONDAY...West winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. A chance of showers and thunderstorms. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. .TUESDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of showers. A chance of thunderstorms, mainly in the morning. .TUESDAY NIGHT...Southwest winds around 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-041900- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 101 AM CDT Fri Jul 4 2025 .TODAY...West winds 5 to 10 knots. Seas around 2 feet this morning, then 1 foot or less. Wave Detail: South 1 foot at 5 seconds, becoming southwest 1 foot at 5 seconds. A slight chance of showers and thunderstorms. .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. .SATURDAY...Northwest winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A chance of showers and thunderstorms. .SATURDAY NIGHT...West 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. .SUNDAY...Northwest winds 5 to 10 knots, becoming southwest 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 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...West winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of showers with a slight chance of 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 around 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-041900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 101 AM CDT Fri Jul 4 2025 .TODAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. A chance of showers and thunderstorms until late afternoon, then a slight chance of showers and thunderstorms late. .TONIGHT...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .SATURDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds. A chance of showers and thunderstorms. .SATURDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .SUNDAY...North winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A chance of showers with a slight chance of thunderstorms after midnight. .TUESDAY...Southwest winds around 5 knots. Seas 1 foot or less. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-041900- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 101 AM CDT Fri Jul 4 2025 .TODAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers late this morning. .TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. .SATURDAY...Southwest winds around 5 knots, becoming southeast in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds. A slight chance of showers and thunderstorms in the morning. .SATURDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. A slight chance of showers and thunderstorms after midnight. .SUNDAY...West winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 5 seconds. A chance of showers and thunderstorms, mainly in the morning. .SUNDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. A chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds around 5 knots. Seas 1 foot or less. A chance of showers. A chance of thunderstorms, mainly in the morning. .MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. 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. A chance of thunderstorms, mainly in the morning. .TUESDAY 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. $$ GMZ472-041900- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 101 AM CDT Fri Jul 4 2025 .TODAY...West winds around 5 knots. Seas around 2 feet this morning, then 1 foot or less. Wave Detail: South 1 foot at 5 seconds. A slight chance of showers and thunderstorms until late afternoon. .TONIGHT...Southwest 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. .SATURDAY...Northwest 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. .SATURDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds. A chance of showers with a slight chance of thunderstorms after midnight. .SUNDAY...Northwest winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and south 1 foot 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. .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, becoming south in the afternoon. Seas 1 foot or less. Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A chance of showers with a slight chance of thunderstorms after midnight. .TUESDAY...Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of thunderstorms. Showers likely, 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. Winds and seas higher in and near thunderstorms. $$ GMZ475-041900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 101 AM CDT Fri Jul 4 2025 .TODAY...Northwest winds 5 to 10 knots, becoming north late. Seas around 2 feet this morning, then 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds and southeast 1 foot at 10 seconds, becoming southwest 1 foot at 5 seconds and southeast 1 foot at 9 seconds. A slight chance of thunderstorms this morning. A chance of showers. A chance of thunderstorms this 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 after midnight. .SATURDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 5 seconds. A chance of showers and thunderstorms, mainly in the morning. .SATURDAY NIGHT...Northwest winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 4 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .SUNDAY...Northwest winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds and south 1 foot at 5 seconds. A chance of thunderstorms. Showers, mainly in the morning. .SUNDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds and northwest 1 foot at 3 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. Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A chance of showers with a slight chance of thunderstorms after midnight. .TUESDAY...Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of thunderstorms. Showers likely, mainly in the morning. .TUESDAY NIGHT...Southwest winds around 5 knots, increasing to around 10 knots after midnight. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$