Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
179 FZUS54 KLCH 291807 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1207 PM CST Sat Nov 29 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. GMZ400-300700- 1207 PM CST Sat Nov 29 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... Moderate onshore winds will continue into tonight along with increasing chances for showers and thunderstorms ahead of an approaching cold front. This cold front will move into the coastal waters on Sunday morning with brisk north winds behind bringing the probability of small craft advisory conditions. Elevated offshore winds will continue into Monday with high rain chances as a coastal low moves across the northern Gulf. $$ GMZ430-300700- Sabine Lake- 1207 PM CST Sat Nov 29 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... .TONIGHT...Southeast winds 5 to 10 knots, becoming northeast late. Lake waters light chop. A chance of showers this evening. Showers after midnight. A chance of thunderstorms late. .SUNDAY...North winds 10 to 15 knots, becoming northeast 15 to 20 knots in the afternoon. Lake waters rough. Showers with a chance of thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .SUNDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Lake waters rough. A chance of showers. .MONDAY...Northeast winds 10 to 15 knots. Lake waters choppy. A slight chance of thunderstorms. Showers likely in the morning, then showers in the afternoon. .MONDAY NIGHT...North winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Lake waters rough. Showers likely with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. .TUESDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Lake waters rough. .TUESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...East winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Lake waters choppy. A chance of showers and thunderstorms. .THURSDAY...Northeast winds 10 to 15 knots. Lake waters choppy. Showers likely. A chance of thunderstorms, mainly in the morning. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. Showers likely. A chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ432-300700- Calcasieu Lake- 1207 PM CST Sat Nov 29 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... .TONIGHT...Southeast winds around 10 knots with gusts up to 20 knots, becoming northeast late. Lake waters light chop. A chance of showers this evening, then showers with a slight chance of thunderstorms after midnight. .SUNDAY...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Lake waters rough. Showers with a chance of thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .SUNDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. A chance of showers. .MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Lake waters rough. A slight chance of thunderstorms. Showers. .MONDAY NIGHT...Northeast winds 10 to 15 knots, becoming north 15 to 20 knots after midnight. Lake waters rough. Showers, mainly in the evening. .TUESDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Lake waters rough. .TUESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...East winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Lake waters choppy. A chance of showers and thunderstorms. .THURSDAY...Northeast winds 10 to 15 knots. Lake waters choppy. A chance of showers. A chance of thunderstorms, mainly in the morning. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. Showers likely. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ435-300700- Vermilion and West Cote Blanche Bays- 1207 PM CST Sat Nov 29 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... .TONIGHT...Southeast winds 10 to 15 knots, diminishing to 5 to 10 knots late. Bay waters choppy. A slight chance of showers after midnight. A chance of showers late. .SUNDAY...Northeast winds 10 to 15 knots. Bay waters choppy. Showers likely. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Bay waters rough. A chance of showers, mainly in the evening. .MONDAY...Northeast winds 10 to 15 knots. Bay waters choppy. A chance of showers in the morning, then showers likely in the afternoon. .MONDAY NIGHT...Northeast winds 10 to 15 knots, becoming north 15 to 20 knots after midnight. Bay waters rough. Showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. .TUESDAY...North winds 15 to 20 knots. Bay waters rough. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .WEDNESDAY...East winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Northeast winds 10 to 15 knots. Bay waters choppy. A chance of showers with a slight chance of thunderstorms. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. A slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-300700- Atchafalaya and East Cote Blanche Bays- 1207 PM CST Sat Nov 29 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... .TONIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers after midnight. .SUNDAY...East winds 5 to 10 knots, becoming northeast 10 to 15 knots in the afternoon. Bay waters choppy. A chance of showers. .SUNDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. A chance of showers, mainly in the evening. .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...Northeast winds 5 to 10 knots, becoming north 10 to 15 knots with gusts up to 20 knots after midnight. Bay waters choppy. Showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. .TUESDAY...North winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. A slight chance of showers in the morning. .TUESDAY NIGHT...North winds 10 to 15 knots, becoming northeast 5 to 10 knots after midnight. Bay waters choppy. .WEDNESDAY...East winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .THURSDAY...East winds around 10 knots. Bay waters light chop. A chance of showers with a slight chance of thunderstorms. .THURSDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters light chop. 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. $$ GMZ450-300700- Coastal waters from Cameron LA to High Island TX out 20 NM- 1207 PM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... .TONIGHT...South winds 10 to 15 knots, becoming east late. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of showers until early morning. A slight chance of thunderstorms after midnight. Showers late. .SUNDAY...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: Northeast 4 feet at 4 seconds and south 2 feet at 5 seconds. Showers with a chance of thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .SUNDAY NIGHT...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds. Showers likely. A slight chance of thunderstorms after midnight. .MONDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of thunderstorms. Showers. .MONDAY NIGHT...North winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds. Showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. .TUESDAY...North winds 20 to 25 knots, diminishing to around 15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: North 3 feet at 3 seconds and southeast 1 foot at 7 seconds. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .THURSDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Showers likely. A chance of thunderstorms, mainly in the morning. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Showers likely. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-300700- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1207 PM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... .TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of showers late this evening. A slight chance of showers after midnight, then showers likely with a slight chance of thunderstorms late. .SUNDAY...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: Northeast 4 feet at 4 seconds and south 2 feet at 5 seconds. A slight chance of thunderstorms. Showers likely. .SUNDAY NIGHT...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail: Northeast 4 feet at 4 seconds and south 1 foot at 5 seconds. Showers likely, mainly in the evening. .MONDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds. Showers likely with a slight chance of thunderstorms in the morning, then showers in the afternoon. .MONDAY NIGHT...Northeast winds around 15 knots, becoming north 20 to 25 knots after midnight. Seas 2 to 4 feet. Wave Detail: North 3 feet at 4 seconds and southeast 1 foot at 5 seconds. Showers. .TUESDAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: North 3 feet at 4 seconds and southeast 1 foot at 7 seconds. .TUESDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 3 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Showers likely. A chance of thunderstorms, mainly in the morning. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Showers likely with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ455-300700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1207 PM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... .TONIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 3 seconds. A slight chance of showers late. .SUNDAY...East winds 10 to 15 knots, becoming northeast with gusts up to 20 knots in the afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds. A chance of showers. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds. A chance of showers, mainly in the evening. .MONDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds. A chance of showers in the morning, then showers likely in the afternoon. .MONDAY NIGHT...Northeast winds around 10 knots, becoming north 15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds and northwest 2 feet at 3 seconds. Showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. .TUESDAY...North winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 3 seconds. A slight chance of showers in the morning. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY...East winds 5 to 10 knots. Seas 1 foot or less. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .THURSDAY...East winds 10 to 15 knots. Seas around 2 feet. A slight chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...East winds 10 to 15 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. $$ GMZ470-300700- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1207 PM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... .TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of showers early this evening, then a chance of showers late this evening and early morning. Showers likely with a slight chance of thunderstorms late. .SUNDAY...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 3 to 4 feet, building to 4 to 6 feet, occasionally to 8 feet in the afternoon. Wave Detail: Northeast 3 feet at 4 seconds and south 3 feet at 6 seconds, becoming northeast 5 feet at 5 seconds and south 2 feet at 6 seconds. Showers. A chance of thunderstorms, mainly in the morning. .SUNDAY NIGHT...Northeast winds 20 to 25 knots. Seas 5 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 6 feet at 6 seconds and south 1 foot at 6 seconds. Showers likely. A slight chance of thunderstorms after midnight. .MONDAY...East 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. Showers with a slight chance of thunderstorms. .MONDAY NIGHT...Northeast winds around 15 knots, becoming north 20 to 25 knots after midnight. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds. Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. .TUESDAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 4 feet at 5 seconds and southeast 2 feet at 7 seconds. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .THURSDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Showers likely with a chance of thunderstorms. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. Showers likely. A chance of thunderstorms, mainly in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ472-300700- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1207 PM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... .TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 4 feet at 6 seconds. A slight chance of showers late this evening and early morning. A chance of showers late. .SUNDAY...East winds 10 to 15 knots, becoming northeast 15 to 20 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds and south 2 feet at 6 seconds. Showers likely with a slight chance of thunderstorms. .SUNDAY NIGHT...Northeast winds around 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 and southwest 1 foot at 6 seconds. Showers likely, mainly in the evening. .MONDAY...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. A slight chance of thunderstorms. Showers. .MONDAY NIGHT...East winds around 15 knots, becoming north after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 5 seconds and southeast 4 feet at 7 seconds. Showers. .TUESDAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 5 feet at 5 seconds and southeast 3 feet at 7 seconds. A slight chance of showers in the morning. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of thunderstorms. A chance of showers. .THURSDAY...East winds 15 to 20 knots. Seas 2 to 4 feet. A chance of thunderstorms. Showers likely. .THURSDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet. Showers likely with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ475-300700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1207 PM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 5 PM CST THIS AFTERNOON... .TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of showers late. .SUNDAY...East winds around 10 knots, becoming northeast with gusts up to 20 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds and northeast 2 feet at 3 seconds. A chance of showers. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds and southwest 1 foot at 6 seconds. A chance of showers. .MONDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. Showers likely. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...Southeast winds around 15 knots, becoming northwest after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: West 4 feet at 4 seconds and southeast 4 feet at 7 seconds. Showers. A slight chance of thunderstorms after midnight. .TUESDAY...North winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northwest 4 feet at 5 seconds and southeast 3 feet at 7 seconds. A chance of showers in the morning. .TUESDAY NIGHT...North winds 15 to 20 knots, becoming northeast 10 to 15 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...East winds 15 to 20 knots. Seas 2 to 4 feet. Showers likely with a slight chance of thunderstorms. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet. Showers likely 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. $$