Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
495 FZUS54 KLCH 191747 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1247 PM CDT Sat Jul 19 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. GMZ400-200600- 1247 PM CDT Sat Jul 19 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... Storms can produce locally higher winds and seas today, however winds will generally remain light and onshore as weak high pressure remains east of the area. $$ GMZ430-200600- Sabine Lake- 1247 PM CDT Sat Jul 19 2025 .TONIGHT...South winds 5 to 10 knots. Lake waters light chop. .SUNDAY...South winds 5 to 10 knots. Lake waters light chop. .SUNDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .MONDAY...Southwest winds around 5 knots, becoming south in the afternoon. Lake waters light chop. .MONDAY NIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Lake waters light chop. .TUESDAY...Southwest winds around 5 knots, becoming south in the afternoon. Lake waters light chop. .TUESDAY NIGHT...South winds 5 to 10 knots, becoming southwest after midnight. Lake waters light chop. .WEDNESDAY...Light and variable winds, becoming south around 5 knots in the afternoon. Lake waters smooth. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms after midnight. .THURSDAY...Northwest winds around 5 knots, becoming east in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southeast winds around 5 knots. Lake waters smooth. A chance of showers with a slight chance of thunderstorms. Winds and waves higher in and near thunderstorms. $$ GMZ432-200600- Calcasieu Lake- 1247 PM CDT Sat Jul 19 2025 .TONIGHT...South winds 5 to 10 knots. Lake waters light chop. .SUNDAY...South winds around 5 knots, increasing to around 10 knots in the afternoon. Lake waters light chop. A slight chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .MONDAY...South winds 5 to 10 knots. Lake waters light chop. .MONDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .TUESDAY...Southwest winds around 5 knots, becoming south in the afternoon. Lake waters light chop. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...West winds around 5 knots. Lake waters smooth. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms after midnight. .THURSDAY...North winds around 5 knots, becoming east in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southeast winds around 5 knots. Lake waters smooth. A chance of showers with a slight chance of thunderstorms. Winds and waves higher in and near thunderstorms. $$ GMZ435-200600- Vermilion and West Cote Blanche Bays- 1247 PM CDT Sat Jul 19 2025 .TONIGHT...South winds 5 to 10 knots. Bay waters light chop. .SUNDAY...South winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. .MONDAY...Southwest winds around 5 knots, increasing to 5 to 10 knots in the afternoon. Bay waters light chop. A slight chance of showers and thunderstorms. .MONDAY NIGHT...Southwest winds 5 to 10 knots. Bay waters light chop. .TUESDAY...West winds around 5 knots, becoming southwest in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...West winds around 5 knots. Bay waters smooth. .WEDNESDAY...Northwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds around 5 knots, becoming north after midnight. Bay waters smooth. A chance of showers and thunderstorms. .THURSDAY...Northeast winds around 5 knots, becoming east in the afternoon. Bay waters smooth. Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. .THURSDAY NIGHT...East winds around 5 knots. Bay waters smooth. A slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-200600- Atchafalaya and East Cote Blanche Bays- 1247 PM CDT Sat Jul 19 2025 .TONIGHT...South winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms early this evening. .SUNDAY...South winds around 5 knots. Bay waters smooth. .SUNDAY NIGHT...South winds around 5 knots. Bay waters smooth. .MONDAY...Southwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms, mainly in the morning. .MONDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. .TUESDAY...West winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...West winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Northwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...West winds around 5 knots, becoming north after midnight. Bay waters smooth. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .THURSDAY...Northeast winds around 5 knots, becoming east in the afternoon. Bay waters smooth. Showers. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .THURSDAY NIGHT...East winds around 5 knots. Bay waters smooth. A slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ450-200600- Coastal waters from Cameron LA to High Island TX out 20 NM- 1247 PM CDT Sat Jul 19 2025 .TONIGHT...South winds 10 to 15 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. .SUNDAY...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. .SUNDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. .MONDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. A slight chance of showers and thunderstorms in the morning. .MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .TUESDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas around 2 feet. .WEDNESDAY...West winds 5 to 10 knots, becoming southwest in the afternoon. Seas 1 foot or less. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. .THURSDAY...Northwest winds 5 to 10 knots, becoming southeast in the afternoon. Seas 1 foot or less, then around 2 feet in the afternoon. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-200600- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1247 PM CDT Sat Jul 19 2025 .TONIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 4 seconds. A slight chance of showers and thunderstorms early this evening. A slight chance of showers and thunderstorms late. .SUNDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southwest 2 feet at 4 seconds. A slight chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. A slight chance of showers and thunderstorms after midnight. .MONDAY...South 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. A slight chance of showers and thunderstorms. .MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southwest 1 foot at 4 seconds, becoming south 1 foot at 4 seconds. A slight chance of showers and thunderstorms in the morning. .TUESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. .WEDNESDAY...West winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots, becoming northwest after midnight. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...North winds 5 to 10 knots, becoming east in the afternoon. Seas 1 foot or less, then around 2 feet in the afternoon. A chance of thunderstorms. Showers likely. .THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-200600- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1247 PM CDT Sat Jul 19 2025 .TONIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. A slight chance of showers and thunderstorms early this evening. .SUNDAY...South winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the morning. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds. A slight chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds. A chance of showers and thunderstorms, mainly in the morning. .MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. .TUESDAY...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Southwest 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the morning. .TUESDAY NIGHT...West winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Northwest winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...Northwest winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .THURSDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Seas 1 foot or less. Showers with a chance of thunderstorms. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. A slight chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-200600- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1247 PM CDT Sat Jul 19 2025 .TONIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight. .SUNDAY...South 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 morning. .SUNDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight. .MONDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of thunderstorms in the morning. A slight chance of showers. .MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. .TUESDAY...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 in the morning. .TUESDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. .WEDNESDAY...West winds around 5 knots. Seas around 2 feet. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. .THURSDAY...Northwest winds 5 to 10 knots, becoming northeast in the afternoon. Seas 1 foot or less, then around 2 feet in the afternoon. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-200600- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1247 PM CDT Sat Jul 19 2025 .TONIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers early this evening. A slight chance of showers and thunderstorms after midnight. .SUNDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight. .MONDAY...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A chance of showers and thunderstorms, mainly in the morning. .MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 6 seconds. A slight chance of showers and thunderstorms in the morning. .TUESDAY NIGHT...Southwest winds around 5 knots. Seas around 2 feet. .WEDNESDAY...Northwest winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms, mainly in the morning. .WEDNESDAY NIGHT...West winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...North winds 5 to 10 knots, becoming northeast in the afternoon. Seas 1 foot or less, then around 2 feet in the afternoon. A chance of thunderstorms. Showers. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-200600- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1247 PM CDT Sat Jul 19 2025 .TONIGHT...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 early this evening. .SUNDAY...South winds around 5 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of showers and thunderstorms. .SUNDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms after midnight. .MONDAY...South winds around 5 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. A chance of showers and thunderstorms, mainly in the morning. .MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 6 seconds. .TUESDAY...West winds around 5 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: South 1 foot at 6 seconds, becoming south 1 foot at 5 seconds. A slight chance of showers and thunderstorms in the morning. .TUESDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Northwest winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .THURSDAY...Northeast winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet in the afternoon. Showers with a chance of thunderstorms. .THURSDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 4 feet. A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$