Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
567 FZUS54 KLCH 010810 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 310 AM CDT Thu Oct 1 2026 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. GMZ400-012100- 310 AM CDT Thu Oct 1 2026 .Synopsis for Lower Atchafalaya River LA to High Island TX out 60 NM including Sabine and Calcasieu Lakes and Vermilion and Cote Blanche Bays... Southeast winds up to 15-20 kt will diminish some during the day Thursday, but will remain elevated around 10 kt through the rest of the week and into the weekend. A storm system this weekend will bring widespread showers and thunderstorms to the coastal waters, with locally higher winds and seas near any storms. $$ GMZ430-012100- Sabine Lake- 310 AM CDT Thu Oct 1 2026 .TODAY...South winds 10 to 15 knots. Lake waters choppy. A chance of showers with a slight chance of thunderstorms. .TONIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Lake waters choppy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .FRIDAY...East winds 5 to 10 knots. Lake waters light chop. Showers likely with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .FRIDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. Showers with a chance of thunderstorms in the evening, then a chance of showers after midnight. .SATURDAY...Northeast winds 5 to 10 knots. Lake waters light chop. Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. A chance of thunderstorms. Showers. .SUNDAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Lake waters choppy. Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. .MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Lake waters rough. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. Winds and waves higher in and near thunderstorms. $$ GMZ432-012100- Calcasieu Lake- 310 AM CDT Thu Oct 1 2026 .TODAY...South winds 10 to 15 knots, increasing to 15 to 20 knots late. Lake waters rough. A chance of showers. A slight chance of thunderstorms late this morning and afternoon. .TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots after midnight. Lake waters choppy. A slight chance of showers and thunderstorms after midnight. .FRIDAY...East winds 5 to 10 knots. Lake waters light chop. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .FRIDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. A chance of thunderstorms in the evening. A chance of showers. .SATURDAY...Northeast winds 10 to 15 knots, becoming east 5 to 10 knots in the afternoon. Lake waters choppy. Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. A chance of thunderstorms. Showers. .SUNDAY...Northeast winds 10 to 15 knots. Lake waters choppy. Showers likely with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. .MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Lake waters rough. A chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. A slight chance of showers in the evening. Winds and waves higher in and near thunderstorms. $$ GMZ435-012100- Vermilion and West Cote Blanche Bays- 310 AM CDT Thu Oct 1 2026 .TODAY...Southeast winds 10 to 15 knots. Bay waters choppy. A chance of showers. A chance of thunderstorms this afternoon. .TONIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .FRIDAY...Southeast winds 5 to 10 knots. Bay waters light chop. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .FRIDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A chance of showers. A chance of thunderstorms, mainly in the evening. .SATURDAY...East winds 5 to 10 knots. Bay waters light chop. Showers likely with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A chance of thunderstorms. Showers. .SUNDAY...Northeast winds 5 to 10 knots. Bay waters light chop. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Bay waters choppy. Showers with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .MONDAY...Northeast winds 10 to 15 knots. Bay waters choppy. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. A chance of showers, mainly in the evening. Winds and waves higher in and near thunderstorms. $$ GMZ436-012100- Atchafalaya and East Cote Blanche Bays- 310 AM CDT Thu Oct 1 2026 .TODAY...Southeast winds 10 to 15 knots. Bay waters choppy. A chance of showers. A chance of thunderstorms this afternoon. .TONIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Bay waters choppy. A chance of showers with a slight chance of thunderstorms. .FRIDAY...Southeast winds 5 to 10 knots. Bay waters light chop. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .FRIDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. .SATURDAY...East winds 5 to 10 knots. Bay waters light chop. Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...East winds around 5 knots. Bay waters smooth. A chance of thunderstorms. Showers. .SUNDAY...Northeast winds 5 to 10 knots. Bay waters light chop. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters light chop. A chance of thunderstorms. Showers. .MONDAY...Northeast winds 10 to 15 knots. Bay waters choppy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Bay waters choppy. A chance of showers. A slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ450-012100- Coastal waters from Cameron LA to High Island TX out 20 NM- 310 AM CDT Thu Oct 1 2026 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...South winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. A slight chance of thunderstorms. .TONIGHT...Southeast winds 15 to 20 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .FRIDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. .SATURDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. Showers with a chance of thunderstorms. .SATURDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds and southeast 2 feet at 7 seconds. Showers with a chance of thunderstorms. .SUNDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A chance of thunderstorms. Showers, mainly in the evening. .MONDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. A chance of showers in the evening, then a slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-012100- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 310 AM CDT Thu Oct 1 2026 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...Southeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .FRIDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. .SATURDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds and east 1 foot at 3 seconds. Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 3 seconds and southeast 2 feet at 6 seconds. Showers with a chance of thunderstorms. .SUNDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 3 feet. A chance of thunderstorms. Showers. .MONDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A chance of showers. A slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-012100- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 310 AM CDT Thu Oct 1 2026 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds. A chance of showers. A slight chance of thunderstorms this afternoon. .TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. .FRIDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 5 seconds and southeast 1 foot at 2 seconds. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .FRIDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 2 seconds and southeast 1 foot at 6 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .SATURDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: East 1 foot at 3 seconds. Showers with a chance of thunderstorms. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 2 seconds and southeast 1 foot at 6 seconds. A chance of thunderstorms. Showers. .SUNDAY...East winds 5 to 10 knots. Seas 1 to 2 feet. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 1 to 2 feet. A chance of thunderstorms. Showers. .MONDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Showers likely with a chance of thunderstorms. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ470-012100- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 310 AM CDT Thu Oct 1 2026 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of showers and thunderstorms early this afternoon. A slight chance of showers late. .TONIGHT...Southeast winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of showers and thunderstorms after midnight. .FRIDAY...Southeast winds around 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. .SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. Showers with a chance of thunderstorms. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. Showers with a chance of thunderstorms. .SUNDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. Showers with a chance of thunderstorms. .MONDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Showers likely with a chance of thunderstorms. .MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. A chance of showers with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ472-012100- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 310 AM CDT Thu Oct 1 2026 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of thunderstorms. .TONIGHT...Southeast winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .FRIDAY...East winds around 10 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. A chance of showers and thunderstorms. .FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. .SATURDAY...East winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. Showers with a chance of thunderstorms. .SATURDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. Showers with a chance of thunderstorms. .SUNDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Showers with a chance of thunderstorms. .MONDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of thunderstorms. Showers. .MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. Showers likely with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ475-012100- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 310 AM CDT Thu Oct 1 2026 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...Southeast winds around 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. A chance of showers early this morning. A slight chance of showers late this morning, then a chance of showers with a slight chance of thunderstorms this afternoon. .TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. .FRIDAY...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. .SATURDAY...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 7 seconds. Showers with a chance of thunderstorms. .SATURDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 7 seconds. A chance of thunderstorms. Showers. .SUNDAY...East winds 5 to 10 knots. Seas 2 to 3 feet. Showers with a chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. A chance of thunderstorms. Showers. .MONDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Showers with a chance of thunderstorms. .MONDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$