Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
759 FZUS54 KLCH 301809 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1209 PM CST Sun Nov 30 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. GMZ400-010700- 1209 PM CST Sun Nov 30 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... Brisk northerly winds will continue over the coastal waters behind a cold front into Monday. A coastal low will move across the northwest Gulf on Monday into Monday night and help to continue elevated offshore flow along with widespread shower activity. Winds will decrease slightly by mid-week and become briefly onshore as high pressure moves off to the east. Another coastal low and cold front will bring elevated offshore flow along with widespread shower activity by the end of the week. $$ GMZ430-010700- Sabine Lake- 1209 PM CST Sun Nov 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TONIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. A slight chance of showers until early morning, then a chance of showers late. .MONDAY...Northeast winds 10 to 15 knots. Lake waters choppy. Showers. A chance of thunderstorms, mainly in the morning. .MONDAY NIGHT...North winds 15 to 20 knots. Lake waters rough. Showers likely, mainly in the evening. .TUESDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Lake waters rough. .TUESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...East winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Lake waters choppy. A chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. .THURSDAY...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Lake waters rough. A chance of thunderstorms. Showers. .THURSDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Lake waters rough. Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. .FRIDAY...North winds 10 to 15 knots, becoming northwest 5 to 10 knots in the afternoon. Lake waters choppy. Showers likely, mainly in the morning. .FRIDAY NIGHT...North winds 5 to 10 knots. Lake waters light chop. A chance of showers. Winds and waves higher in and near thunderstorms. $$ GMZ432-010700- Calcasieu Lake- 1209 PM CST Sun Nov 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TONIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. A chance of showers. A slight chance of thunderstorms after midnight. .MONDAY...Northeast winds 10 to 15 knots. Lake waters choppy. Showers likely with a chance of thunderstorms in the morning, then showers with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...North winds 15 to 20 knots with gusts up to 25 knots. 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 around 10 knots. Lake waters light chop. .WEDNESDAY...East winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Lake waters choppy. A chance of showers in the evening, then showers likely with a chance of thunderstorms after midnight. .THURSDAY...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Lake waters rough. Showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Lake waters rough. A slight chance of thunderstorms in the evening. Showers. .FRIDAY...North winds 10 to 15 knots. Lake waters choppy. Showers likely, mainly in the morning. .FRIDAY NIGHT...North winds 10 to 15 knots. Lake waters choppy. A chance of showers. Winds and waves higher in and near thunderstorms. $$ GMZ435-010700- Vermilion and West Cote Blanche Bays- 1209 PM CST Sun Nov 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TONIGHT...Northeast winds around 15 knots with gusts up to 20 knots. Bay waters choppy. A chance of showers early this evening. .MONDAY...Northeast winds 10 to 15 knots. Bay waters choppy. A chance of showers in the morning, then showers with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...North winds 10 to 15 knots, increasing to 20 to 25 knots after midnight. Bay waters very rough. Showers, mainly in the evening. .TUESDAY...North winds 15 to 20 knots with gusts up to 25 knots. Bay waters rough. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .WEDNESDAY...East winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Bay waters choppy. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .THURSDAY...East winds 10 to 15 knots. Bay waters choppy. Showers with a chance of thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...East winds 15 to 20 knots. Bay waters rough. A chance of thunderstorms. Showers. .FRIDAY...North winds 10 to 15 knots, becoming northwest in the afternoon. Bay waters choppy. Showers likely. A slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...North winds 10 to 15 knots. Bay waters choppy. Showers likely in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-010700- Atchafalaya and East Cote Blanche Bays- 1209 PM CST Sun Nov 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TONIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. A slight chance of showers early this evening. .MONDAY...Northeast winds 10 to 15 knots. Bay waters choppy. A slight 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 15 to 20 knots after midnight. Bay waters rough. Showers, mainly in the evening. .TUESDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Bay waters rough. .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 showers in the evening, then a chance of showers after midnight. .THURSDAY...East winds 10 to 15 knots. Bay waters choppy. Showers likely. A chance of thunderstorms, mainly in the morning. .THURSDAY NIGHT...East winds 10 to 15 knots. Bay waters choppy. Showers likely with a chance of thunderstorms. .FRIDAY...Northwest winds 10 to 15 knots. Bay waters choppy. Showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. .FRIDAY NIGHT...North winds 5 to 10 knots. Bay waters light chop. Showers likely in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ450-010700- Coastal waters from Cameron LA to High Island TX out 20 NM- 1209 PM CST Sun Nov 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TONIGHT...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots late. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms after midnight. .MONDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds. Showers. A chance of thunderstorms, mainly in the morning. .MONDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 2 to 4 feet. Wave Detail: North 4 feet at 4 seconds and southeast 2 feet at 5 seconds. Showers, mainly in the evening. .TUESDAY...North winds 20 to 25 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: North 4 feet at 4 seconds and southeast 1 foot at 5 seconds. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds. .WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. .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 showers with a chance of thunderstorms after midnight. .THURSDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of thunderstorms in the evening. Showers. .FRIDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of thunderstorms in the morning. Showers likely. .FRIDAY NIGHT...North winds 10 to 15 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. $$ GMZ452-010700- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1209 PM CST Sun Nov 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TONIGHT...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots late. Seas 2 to 4 feet. Wave Detail: Northeast 4 feet at 4 seconds and south 1 foot at 5 seconds. A chance of showers early this evening. A chance of showers after midnight. A slight chance of thunderstorms late. .MONDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: East 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. .MONDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 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 15 to 20 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 4 seconds. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds. .WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 3 seconds. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. .THURSDAY...East winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Showers. A chance of thunderstorms, mainly in the evening. .FRIDAY...North winds around 15 knots. Seas 2 to 3 feet. Showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...Northwest winds 10 to 15 knots. Seas 2 to 3 feet. Showers likely in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-010700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1209 PM CST Sun Nov 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TONIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds. A chance of showers early this evening. A slight chance of showers after midnight. .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 with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 10 to 15 knots, becoming north 15 to 20 knots with gusts up to 25 knots after midnight. Seas 2 to 3 feet. Wave Detail: North 3 feet at 3 seconds. Showers. .TUESDAY...North winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave Detail: North 3 feet at 3 seconds. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: North 2 feet at 3 seconds. .WEDNESDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. .WEDNESDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .THURSDAY...East winds 15 to 20 knots. Seas 2 to 3 feet. Showers with a chance of thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 2 to 3 feet. A chance of thunderstorms. Showers. .FRIDAY...West winds 10 to 15 knots, becoming northwest in the afternoon. Seas 2 to 3 feet. Showers. A chance of thunderstorms in the afternoon. .FRIDAY NIGHT...North winds 10 to 15 knots. Seas 2 to 3 feet. Showers likely in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-010700- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1209 PM CST Sun Nov 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TONIGHT...Northeast winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 6 seconds and northeast 6 feet at 6 seconds. Showers likely. A slight chance of thunderstorms after midnight. Patchy fog late. .MONDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. Showers likely with a chance of thunderstorms in the morning, then showers with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 7 feet, occasionally to 9 feet after midnight. Wave Detail: Northeast 4 feet at 6 seconds, becoming north 6 feet at 5 seconds and southeast 3 feet at 7 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 15 to 20 knots in the afternoon. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: North 6 feet at 5 seconds and southeast 2 feet at 7 seconds. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and southeast 1 foot at 7 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds and southeast 1 foot at 7 seconds. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 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. .THURSDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet, building to 5 to 6 feet, occasionally to 8 feet in the afternoon. Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Showers. A chance of thunderstorms, mainly in the evening. .FRIDAY...North winds 10 to 15 knots. Seas 3 to 4 feet. Showers with a slight chance of thunderstorms in the morning, then showers likely in the afternoon. .FRIDAY NIGHT...North winds 10 to 15 knots. Seas 3 to 4 feet. Showers likely in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-010700- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1209 PM CST Sun Nov 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TONIGHT...Northeast winds 20 to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 5 seconds and southeast 2 feet at 6 seconds. Showers likely early this evening, then a slight chance of showers late this evening and early morning. A chance of showers with a slight chance of thunderstorms late. .MONDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 15 to 20 knots, becoming north 20 to 25 knots after midnight. Seas 3 to 4 feet, building to 4 to 6 feet, occasionally to 8 feet after midnight. Wave Detail: Northeast 3 feet at 4 seconds and southeast 3 feet at 7 seconds, becoming north 6 feet at 7 seconds and north 4 feet at 4 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 5 to 7 feet, occasionally to 9 feet. Wave Detail: North 6 feet at 5 seconds. A slight chance of showers in the morning. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and east 2 feet at 7 seconds. .WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds and southeast 2 feet at 7 seconds. .WEDNESDAY NIGHT...Southeast 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. .THURSDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Showers with a chance of thunderstorms. .FRIDAY...Northwest winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Showers with a slight chance of thunderstorms. .FRIDAY NIGHT...Northwest winds 10 to 15 knots. Seas 3 to 4 feet. Showers likely in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-010700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1209 PM CST Sun Nov 30 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY MORNING... .TONIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. A chance of showers early this evening. A slight chance of showers late this evening and early morning, then a chance of showers late. .MONDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 5 seconds. A chance of showers in the morning, then showers with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 10 to 15 knots, becoming north 20 to 25 knots after midnight. Seas 3 to 4 feet, building to 4 to 6 feet, occasionally to 8 feet after midnight. Wave Detail: Southeast 4 feet at 7 seconds and northeast 2 feet at 3 seconds, becoming north 6 feet at 7 seconds and north 2 feet at 3 seconds. A slight chance of thunderstorms. 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: Northwest 6 feet at 6 seconds. A slight chance of showers in the morning. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet after midnight. Wave Detail: North 3 feet at 5 seconds, becoming east 2 feet at 5 seconds. .WEDNESDAY...East winds around 10 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .THURSDAY...Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of thunderstorms. Showers. .THURSDAY NIGHT...Southeast winds 15 to 20 knots. Seas 4 to 5 feet, occasionally to 6 feet. Showers likely with a chance of thunderstorms. .FRIDAY...Southwest winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Showers. A chance of thunderstorms in the afternoon. .FRIDAY NIGHT...West winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of thunderstorms. Showers. Winds and seas higher in and near thunderstorms. $$