Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
827 FZUS54 KLCH 061755 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1155 AM CST Sat Dec 6 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. GMZ400-070600- 1155 AM CST Sat Dec 6 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... The low water advisory continues until 6 PM this evening as low water levels during low tide have been -1.5 ft below MLLW. After this tide cycle, onshore winds and less impactful tides will keep water levels above advisory levels. Tonight, conditions will be favorable for dense fog with visibilities on inland lakes and bays dropping below 1 mile from 06Z to 12Z. A Small Craft Advisory will likely Sunday night and into Monday as another cold front will move across the Gulf with offshore winds between 15 and 20 knots. $$ GMZ430-070600- Sabine Lake- 1155 AM CST Sat Dec 6 2025 ...LOW WATER ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING... ...DENSE FOG ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST SUNDAY... .TONIGHT...South winds around 5 knots. Lake waters smooth. Patchy fog late this evening and overnight. .SUNDAY...West winds around 5 knots, becoming northwest in the afternoon. Lake waters light chop. Widespread dense fog in the morning. A slight chance of showers. .SUNDAY NIGHT...North winds 15 to 20 knots. Lake waters rough. .MONDAY...North winds 10 to 15 knots. Lake waters choppy. .MONDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. .TUESDAY...East winds around 5 knots, becoming south in the afternoon. Lake waters smooth. .TUESDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...Southwest winds 10 to 15 knots. Lake waters choppy. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy. .THURSDAY...Southwest winds 10 to 15 knots. Lake waters choppy. .THURSDAY NIGHT...West winds around 10 knots, becoming north after midnight. Lake waters choppy. $$ GMZ432-070600- Calcasieu Lake- 1155 AM CST Sat Dec 6 2025 ...LOW WATER ADVISORY IN EFFECT UNTIL 6 PM CST THIS EVENING... ...DENSE FOG ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST SUNDAY... .TONIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. Patchy fog late this evening and early morning. A chance of sprinkles after midnight. .SUNDAY...West winds 5 to 10 knots. Lake waters light chop. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .SUNDAY NIGHT...North winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. .MONDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Lake waters rough. .MONDAY NIGHT...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots after midnight. Lake waters choppy. .TUESDAY...East winds 5 to 10 knots, becoming south in the afternoon. Lake waters light chop. .TUESDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...Southwest winds 10 to 15 knots. Lake waters choppy. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy. .THURSDAY...Southwest winds 10 to 15 knots. Lake waters choppy. .THURSDAY NIGHT...Southwest winds 10 to 15 knots, becoming north after midnight. Lake waters choppy. Winds and waves higher in and near thunderstorms. $$ GMZ435-070600- Vermilion and West Cote Blanche Bays- 1155 AM CST Sat Dec 6 2025 ...DENSE FOG ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST SUNDAY... .TONIGHT...Southeast winds around 5 knots. Bay waters smooth. A chance of sprinkles this evening. A slight chance of showers late. Patchy fog late this evening and early morning. .SUNDAY...Southeast winds around 5 knots, becoming southwest in the afternoon. Bay waters smooth. A chance of showers. A slight chance of thunderstorms in the afternoon. .SUNDAY NIGHT...Northwest winds 15 to 20 knots, becoming north 20 to 25 knots after midnight. Bay waters very rough. A chance of showers with a slight chance of thunderstorms in the evening. .MONDAY...North winds 15 to 20 knots. Bay waters rough. .MONDAY NIGHT...North winds 10 to 15 knots, becoming northeast 5 to 10 knots after midnight. Bay waters choppy. .TUESDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Bay waters light chop. .TUESDAY NIGHT...South winds around 5 knots. Bay waters smooth. .WEDNESDAY...Southwest winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. A chance of sprinkles. .THURSDAY...Southwest winds 10 to 15 knots. Bay waters choppy. .THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming north 10 to 15 knots after midnight. Bay waters choppy. A slight chance of showers in the evening, then a chance of sprinkles after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-070600- Atchafalaya and East Cote Blanche Bays- 1155 AM CST Sat Dec 6 2025 ...DENSE FOG ADVISORY IN EFFECT FROM MIDNIGHT TONIGHT TO 6 AM CST SUNDAY... .TONIGHT...East winds around 5 knots. Bay waters smooth. A slight chance of showers this evening. A chance of showers late. Patchy fog late this evening and early morning. .SUNDAY...East winds around 5 knots, becoming southwest in the afternoon. Bay waters smooth. Patchy dense fog in the morning. A chance of showers. A slight chance of thunderstorms in the afternoon. .SUNDAY NIGHT...Northwest winds 10 to 15 knots, becoming north 15 to 20 knots after midnight. Bay waters rough. A chance of showers with a slight chance of thunderstorms in the evening. .MONDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Bay waters rough. .MONDAY NIGHT...Northeast winds 5 to 10 knots. Bay waters light chop. .TUESDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Bay waters light chop. .TUESDAY NIGHT...South winds around 5 knots. Bay waters smooth. .WEDNESDAY...Southwest winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. A chance of sprinkles after midnight. .THURSDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of sprinkles in the morning. .THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming northwest after midnight. Bay waters light chop. A slight chance of showers in the evening, then a chance of sprinkles after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ450-070600- Coastal waters from Cameron LA to High Island TX out 20 NM- 1155 AM CST Sat Dec 6 2025 .TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds. A chance of sprinkles. Patchy fog late this evening and early morning. .SUNDAY...West winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. A slight chance of showers. Patchy dense fog. .SUNDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 2 to 4 feet. Wave Detail: North 3 feet at 4 seconds. A slight chance of showers in the evening. .MONDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: North 3 feet at 4 seconds. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds. .TUESDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: East 2 feet at 4 seconds, becoming east 1 foot at 4 seconds. .TUESDAY NIGHT...South winds 5 to 10 knots, becoming southwest 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. .WEDNESDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Seas around 2 feet. A chance of sprinkles. .THURSDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. .THURSDAY NIGHT...Southwest winds 10 to 15 knots, becoming north after midnight. Seas around 2 feet. A chance of sprinkles after midnight. $$ GMZ452-070600- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1155 AM CST Sat Dec 6 2025 .TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 4 seconds. A chance of sprinkles this evening. A slight chance of showers late. Patchy fog late this evening and early morning. .SUNDAY...Southwest winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. A chance of showers with a slight chance of thunderstorms. .SUNDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 2 to 4 feet. Wave Detail: Northwest 3 feet at 3 seconds and southeast 1 foot at 4 seconds. A chance of showers in the evening. .MONDAY...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. .MONDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds. .TUESDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: East 1 foot at 3 seconds. .TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. .WEDNESDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. A chance of sprinkles. .THURSDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. .THURSDAY NIGHT...Southwest winds 10 to 15 knots, becoming north after midnight. Seas around 2 feet. A slight chance of showers in the evening, then a chance of sprinkles after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-070600- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1155 AM CST Sat Dec 6 2025 .TONIGHT...Southeast winds around 5 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 2 seconds. A chance of showers. Patchy fog late this evening and early morning. .SUNDAY...East winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 2 seconds. Patchy dense fog in the morning. A chance of showers with a slight chance of thunderstorms. .SUNDAY NIGHT...Northwest winds 10 to 15 knots, becoming north 15 to 20 knots after midnight. Seas 1 to 2 feet, building to 2 to 3 feet after midnight. Wave Detail: Northwest 2 feet at 3 seconds, becoming north 2 feet at 3 seconds. A chance of showers in the evening. .MONDAY...North winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 3 seconds. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: North 2 feet at 3 seconds. .TUESDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds. .TUESDAY NIGHT...South winds around 5 knots, increasing to 5 to 10 knots after midnight. Seas 1 foot or less. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. .WEDNESDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers after midnight. .THURSDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. A chance of sprinkles in the morning. .THURSDAY NIGHT...Southwest winds 5 to 10 knots, becoming northwest after midnight. Seas around 2 feet. A chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ470-070600- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1155 AM CST Sat Dec 6 2025 .TONIGHT...Southeast winds 5 to 10 knots, becoming south late. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers this evening. A slight chance of showers late. Patchy fog late this evening and early morning. .SUNDAY...West winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northwest 1 foot at 3 seconds and southeast 1 foot at 5 seconds. A chance of showers with a slight chance of thunderstorms. Patchy dense fog. .SUNDAY NIGHT...North winds 20 to 25 knots with gusts up to 30 knots. Seas 2 to 4 feet, building to 4 to 6 feet, occasionally to 8 feet after midnight. Wave Detail: Northwest 4 feet at 4 seconds and southeast 1 foot at 5 seconds, becoming north 6 feet at 5 seconds and southeast 1 foot at 5 seconds. A slight chance of showers in the evening. .MONDAY...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 6 feet at 5 seconds. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds. .TUESDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds. .TUESDAY NIGHT...South winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. .WEDNESDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A chance of sprinkles. .THURSDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A chance of sprinkles in the morning. .THURSDAY NIGHT...Southwest winds 10 to 15 knots, becoming north after midnight. Seas 2 to 3 feet. A chance of sprinkles after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-070600- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1155 AM CST Sat Dec 6 2025 .TONIGHT...Southeast winds 5 to 10 knots, becoming south late. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers until early morning, then a chance of showers with a slight chance of thunderstorms late. Patchy fog late this evening and early morning. .SUNDAY...Southwest winds 5 to 10 knots, becoming northwest in the afternoon. Seas around 2 feet. Wave Detail: Northwest 1 foot at 3 seconds and southeast 1 foot at 5 seconds. A chance of showers with a slight chance of thunderstorms. .SUNDAY NIGHT...North winds 15 to 20 knots, increasing to 20 to 25 knots after midnight. Seas 2 to 3 feet, building to 4 to 6 feet, occasionally to 8 feet after midnight. Wave Detail: Northwest 3 feet at 4 seconds and southeast 1 foot at 5 seconds, becoming north 6 feet at 5 seconds and southeast 1 foot at 5 seconds. A chance of showers in the evening. .MONDAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: North 5 feet at 5 seconds. .MONDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 4 seconds. .TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. .WEDNESDAY...Southwest winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A chance of sprinkles. .THURSDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A chance of sprinkles. .THURSDAY NIGHT...Southwest winds 10 to 15 knots, becoming north after midnight. Seas 2 to 3 feet. A chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ475-070600- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1155 AM CST Sat Dec 6 2025 .TONIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A chance of showers. Patchy fog late this evening and early morning. A slight chance of thunderstorms after midnight. .SUNDAY...Southeast winds 5 to 10 knots, becoming northwest in the afternoon. Seas around 2 feet. Wave Detail: Northwest 1 foot at 4 seconds and southeast 1 foot at 5 seconds. A slight chance of thunderstorms. Showers likely, mainly in the morning. .SUNDAY NIGHT...Northwest winds 15 to 20 knots, becoming north 20 to 25 knots with gusts up to 30 knots after midnight. Seas 2 to 3 feet, building to 4 to 6 feet, occasionally to 8 feet after midnight. Wave Detail: Northwest 2 feet at 3 seconds and southeast 1 foot at 5 seconds, becoming north 6 feet at 5 seconds and south 1 foot at 5 seconds. Showers likely, mainly in the evening. .MONDAY...North winds 20 to 25 knots with gusts up to 30 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northwest 5 feet at 6 seconds. .MONDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 4 feet. Wave Detail: North 3 feet at 5 seconds. .TUESDAY...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 4 seconds. .TUESDAY NIGHT...Southeast winds around 5 knots, becoming south after midnight. Seas 1 foot or less. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. .WEDNESDAY NIGHT...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. .THURSDAY...Southwest winds 10 to 15 knots. Seas 2 to 3 feet. A chance of sprinkles. .THURSDAY NIGHT...Southwest winds 10 to 15 knots, becoming northwest after midnight. Seas 2 to 3 feet. A chance of showers. Winds and seas higher in and near thunderstorms. $$