Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
998 FZUS54 KLCH 270611 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1210 AM CST Thu Nov 27 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. GMZ400-271900- 1210 AM CST Thu Nov 27 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... Strong gusty north winds will continue into the latter part of the morning as the surface high pressure slowly builds into the area from the north. Winds turn more NE and relax slightly by the afternoon, with the SCA dropping to a exercise caution at 18Z. Into Friday, winds slowly turn more easterly and increase once again, with another prolonged period of SCA conditions expected. $$ GMZ430-271900- Sabine Lake- 1210 AM CST Thu Nov 27 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL NOON CST TODAY... .TODAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots late. Lake waters choppy. .TONIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. .FRIDAY...East winds 10 to 15 knots. Lake waters choppy. .FRIDAY NIGHT...Southeast winds 15 to 20 knots. Lake waters rough. A slight chance of showers after midnight. .SATURDAY...Southeast winds 15 to 20 knots. Lake waters rough. A chance of showers. A slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...South winds 10 to 15 knots with gusts up to 20 knots, becoming northwest after midnight. Lake waters choppy. Showers. A chance of thunderstorms, mainly in the evening. .SUNDAY...North winds 10 to 15 knots. Lake waters choppy. A chance of showers, mainly in the morning. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. A slight chance of showers in the evening, then a chance of showers after midnight. .MONDAY...Northeast winds 10 to 15 knots. Lake waters choppy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...North winds 10 to 15 knots. Lake waters choppy. A chance of showers. Winds and waves higher in and near thunderstorms. $$ GMZ432-271900- Calcasieu Lake- 1210 AM CST Thu Nov 27 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL NOON CST TODAY... .TODAY...Northeast winds 10 to 15 knots. Lake waters choppy. .TONIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. .FRIDAY...East winds 10 to 15 knots. Lake waters choppy. .FRIDAY NIGHT...East winds 15 to 20 knots. Lake waters rough. A slight chance of showers after midnight. .SATURDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...South winds 15 to 20 knots, becoming west 10 to 15 knots after midnight. Lake waters rough. A chance of thunderstorms. Showers likely in the evening, then showers after midnight. .SUNDAY...North winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Lake waters rough. A chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Lake waters rough. A slight chance of showers in the evening, then a chance of showers after midnight. .MONDAY...Northeast winds 10 to 15 knots. Lake waters choppy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...North winds 10 to 15 knots. Lake waters choppy. Showers likely, mainly in the evening. Winds and waves higher in and near thunderstorms. $$ GMZ435-271900- Vermilion and West Cote Blanche Bays- 1210 AM CST Thu Nov 27 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL NOON CST TODAY... .TODAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots with gusts up to 20 knots late this morning and afternoon. Bay waters rough. .TONIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .FRIDAY...East winds 10 to 15 knots. Bay waters choppy. .FRIDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. .SATURDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Bay waters rough. A slight chance of showers in the afternoon. .SATURDAY NIGHT...South winds 10 to 15 knots. Bay waters choppy. A chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. .SUNDAY...North winds 10 to 15 knots. Bay waters choppy. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Northeast winds around 15 knots. Bay waters choppy. A chance of showers. .MONDAY...Northeast winds 10 to 15 knots. Bay waters choppy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...North winds 10 to 15 knots. Bay waters choppy. Showers likely, mainly in the evening. Winds and waves higher in and near thunderstorms. $$ GMZ436-271900- Atchafalaya and East Cote Blanche Bays- 1210 AM CST Thu Nov 27 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL NOON CST TODAY... .TODAY...Northeast winds 10 to 15 knots. Bay waters choppy. .TONIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .FRIDAY...East winds 10 to 15 knots. Bay waters choppy. .FRIDAY NIGHT...East winds 10 to 15 knots. Bay waters choppy. .SATURDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. A slight chance of showers in the afternoon. .SATURDAY NIGHT...South winds 10 to 15 knots. Bay waters choppy. A chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. .SUNDAY...Northwest winds around 10 knots, becoming north in the afternoon. Bay waters choppy. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. A chance of showers. .MONDAY...Northeast winds 10 to 15 knots. Bay waters choppy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...North winds 10 to 15 knots. Bay waters choppy. Showers likely. Winds and waves higher in and near thunderstorms. $$ GMZ450-271900- Coastal waters from Cameron LA to High Island TX out 20 NM- 1210 AM CST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM NOON CST TODAY THROUGH LATE TONIGHT... .TODAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots with gusts up to 20 knots this afternoon. Seas 2 to 4 feet. Wave Detail: East 4 feet at 5 seconds. .TONIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. .FRIDAY...East winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: East 4 feet at 5 seconds. .FRIDAY NIGHT...Southeast winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 5 seconds. A chance of showers after midnight. .SATURDAY...Southeast winds 20 to 25 knots, becoming south 15 to 20 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. A chance of showers. A slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...South winds 15 to 20 knots, becoming west after midnight. Seas 3 to 4 feet. Wave Detail: South 4 feet at 6 seconds and northwest 1 foot at 2 seconds. A chance of thunderstorms. Showers likely in the evening, then showers after midnight. .SUNDAY...North winds 15 to 20 knots. Seas 3 to 4 feet. A chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. A chance of showers. A slight chance of thunderstorms after midnight. .MONDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A slight chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .MONDAY NIGHT...North winds around 15 knots. Seas 2 to 3 feet. Showers likely, mainly in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ452-271900- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1210 AM CST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM NOON CST TODAY THROUGH LATE TONIGHT... .TODAY...Northeast winds 15 to 20 knots with gusts up to 25 knots, diminishing to 10 to 15 knots late. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds. .TONIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds. .FRIDAY...East winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. .FRIDAY NIGHT...East winds 15 to 20 knots, becoming southeast 20 to 25 knots after midnight. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. A slight chance of showers after midnight. .SATURDAY...Southeast winds 20 to 25 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...South winds 15 to 20 knots, becoming southwest after midnight. Seas 2 to 4 feet. Wave Detail: South 4 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. .SUNDAY...North winds 15 to 20 knots. Seas 2 to 4 feet. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A chance of showers. .MONDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...North winds around 15 knots. Seas 2 to 3 feet. Showers likely, mainly in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ455-271900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1210 AM CST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM NOON CST TODAY THROUGH LATE TONIGHT... .TODAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots with gusts up to 20 knots this afternoon. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds. .TONIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds. .FRIDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds. .FRIDAY NIGHT...East winds around 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds. .SATURDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 3 seconds. A slight chance of showers. .SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. .SUNDAY...Northwest winds 10 to 15 knots, becoming north in the afternoon. Seas 2 to 3 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers. .MONDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 3 feet. Showers. Winds and seas higher in and near thunderstorms. $$ GMZ470-271900- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1210 AM CST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM NOON CST TODAY THROUGH LATE TONIGHT... .TODAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. .TONIGHT...Northeast winds around 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. .FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. .FRIDAY NIGHT...Southeast winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 6 seconds. A slight chance of showers after midnight. .SATURDAY...Southeast winds 20 to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 6 seconds. A chance of showers. A slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...South winds 15 to 20 knots, becoming southwest after midnight. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 6 seconds. A chance of thunderstorms. Showers. .SUNDAY...North winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. A chance of showers with a slight chance of thunderstorms. .MONDAY...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. Showers likely with a slight chance of thunderstorms. .MONDAY NIGHT...North winds 15 to 20 knots. Seas 3 to 4 feet. Showers likely, mainly in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ472-271900- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1210 AM CST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM NOON CST TODAY THROUGH LATE TONIGHT... .TODAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. .TONIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. .FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds. .FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 5 feet at 6 seconds. A slight chance of showers after midnight. .SATURDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas around 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...South winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: South 5 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .SUNDAY...Northwest winds 15 to 20 knots, becoming north in the afternoon. Seas 4 to 5 feet, occasionally to 6 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers. .MONDAY...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds around 15 knots. Seas 3 to 4 feet. Showers. Winds and seas higher in and near thunderstorms. $$ GMZ475-271900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1210 AM CST Thu Nov 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL NOON CST TODAY... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM NOON CST TODAY THROUGH LATE TONIGHT... .TODAY...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots this afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 6 seconds. .TONIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds. .FRIDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds. .FRIDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. .SATURDAY...Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 6 seconds. A slight chance of showers in the afternoon. .SATURDAY NIGHT...South winds around 15 knots with gusts up to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: South 4 feet at 5 seconds. A slight chance of thunderstorms. A chance of showers. .SUNDAY...West winds around 15 knots, becoming north in the afternoon. Seas 3 to 4 feet. A chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...Northeast winds around 15 knots. Seas 3 to 4 feet. A chance of showers. .MONDAY...Northeast winds around 15 knots. Seas 3 to 4 feet. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...North winds around 15 knots. Seas 3 to 4 feet. Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. Winds and seas higher in and near thunderstorms. $$