Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
867 FZUS54 KLCH 272038 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 338 PM CDT Thu Mar 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. GMZ400-280915- 338 PM CDT Thu Mar 27 2025 .SYNOPSIS... A weak area of low pressure and disturbance aloft will mover across Texas and Louisiana this evening and into Saturday. Widespread showers and thunderstorms will impact the coastal waters through the weekend. Winds will begin to increase tonight peaking around 20 knots and will remain elevated through Saturday. Gusts will be higher from 25 to 30 knots. Because of the winds a Small Craft advisory will be in effect for tonight. Combined seas will be between 5 and 7 feet tonight through Saturday night. After the passage of the low pressure seas will fall below 5 feet through midweek. A cold front will move into the coastal waters Monday with an offshore flow persisting into Tuesday. $$ GMZ430-280915- Sabine Lake- 338 PM CDT Thu Mar 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH FRIDAY MORNING... .TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. A slight chance of showers early this evening. A chance of showers after midnight. A chance of thunderstorms late. .FRIDAY...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Lake waters rough. A chance of thunderstorms. Showers. .FRIDAY NIGHT...Southeast winds 15 to 20 knots. Lake waters rough. Showers. Thunderstorms likely, mainly in the evening. .SATURDAY...South winds 10 to 15 knots. Lake waters choppy. A chance of thunderstorms. Showers likely, mainly in the morning. .SATURDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy. .SUNDAY...South winds 10 to 15 knots. Lake waters choppy. .SUNDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy. .MONDAY...Southwest winds 5 to 10 knots, becoming northwest in the afternoon. Lake waters light chop. .MONDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. .TUESDAY...East winds around 10 knots, becoming southeast in the afternoon. Lake waters choppy. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Lake waters choppy. Winds and waves higher in and near thunderstorms. $$ GMZ432-280915- Calcasieu Lake- 338 PM CDT Thu Mar 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH FRIDAY MORNING... .TONIGHT...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Lake waters rough. A slight chance of showers early this evening. A slight chance of showers and thunderstorms late. .FRIDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. A chance of thunderstorms. Showers. .FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. Showers. Thunderstorms likely, mainly in the evening. .SATURDAY...South winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. A chance of thunderstorms. Showers likely, mainly in the morning. .SATURDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy. .SUNDAY...South winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. .SUNDAY NIGHT...South winds 10 to 15 knots. Lake waters choppy. .MONDAY...Southwest winds around 10 knots. Lake waters light chop. .MONDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. .TUESDAY...East winds around 10 knots, becoming southeast in the afternoon. Lake waters choppy. .TUESDAY NIGHT...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Lake waters rough. Winds and waves higher in and near thunderstorms. $$ GMZ435-280915- Vermilion and West Cote Blanche Bays- 338 PM CDT Thu Mar 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH FRIDAY MORNING... .TONIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. .FRIDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Bay waters rough. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Bay waters rough. A chance of thunderstorms. Showers likely. .SATURDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. Showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. .SUNDAY...South winds 10 to 15 knots. Bay waters choppy. .SUNDAY NIGHT...South winds 10 to 15 knots. Bay waters choppy. A slight chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the morning. .MONDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast after midnight. Bay waters light chop. .TUESDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Bay waters light chop. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. Winds and waves higher in and near thunderstorms. $$ GMZ436-280915- Atchafalaya and East Cote Blanche Bays- 338 PM CDT Thu Mar 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH FRIDAY MORNING... .TONIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. .FRIDAY...Southeast winds 10 to 15 knots with gusts up to 25 knots. Bay waters choppy. A chance of showers with a slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. A chance of thunderstorms. Showers likely, mainly in the evening. .SATURDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. Showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds around 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the evening. .SUNDAY...South winds around 10 knots. Bay waters light chop. .SUNDAY NIGHT...South winds around 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms in the morning. .MONDAY NIGHT...Northwest winds around 5 knots, becoming northeast after midnight. Bay waters smooth. .TUESDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Bay waters light chop. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. Winds and waves higher in and near thunderstorms. $$ GMZ450-280915- Coastal waters from Cameron LA to High Island TX out 20 NM- 338 PM CDT Thu Mar 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH FRIDAY MORNING... .TONIGHT...Southeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. A slight chance of thunderstorms this evening. A chance of showers. A chance of thunderstorms after midnight. .FRIDAY...Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds and south 1 foot at 8 seconds. A chance of thunderstorms. Showers. .FRIDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 5 seconds and south 2 feet at 8 seconds. Showers. Thunderstorms likely, mainly in the evening. .SATURDAY...South winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: South 4 feet at 8 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .SATURDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds and southeast 3 feet at 8 seconds. .SUNDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 8 seconds. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. .MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. .MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. .TUESDAY...East winds 10 to 15 knots. Seas around 2 feet. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ452-280915- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 338 PM CDT Thu Mar 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH FRIDAY MORNING... .TONIGHT...Southeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. .FRIDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 5 seconds. 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...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 5 feet at 5 seconds and south 2 feet at 8 seconds. A chance of thunderstorms. Showers. .SATURDAY...Southeast 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: South 3 feet at 8 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: South 3 feet at 4 seconds and south 3 feet at 8 seconds. .SUNDAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 8 seconds. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas 2 to 3 feet. .MONDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. .MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet. .TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. .TUESDAY NIGHT...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ455-280915- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 338 PM CDT Thu Mar 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH FRIDAY MORNING... .TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 2 seconds. .FRIDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: Southeast 2 feet at 3 seconds. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: Southeast 2 feet at 3 seconds. Showers likely with a chance of thunderstorms. .SATURDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 2 feet at 3 seconds. Showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 3 seconds. A slight chance of showers and thunderstorms in the evening. .SUNDAY...South winds around 10 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 7 seconds and south 1 foot at 2 seconds. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers and thunderstorms after midnight. .MONDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers and thunderstorms in the morning. .MONDAY NIGHT...Northwest winds around 5 knots, becoming northeast after midnight. Seas 1 to 2 feet. .TUESDAY...East winds around 10 knots. Seas around 2 feet. .TUESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ470-280915- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 338 PM CDT Thu Mar 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH FRIDAY MORNING... .TONIGHT...Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. A chance of showers. A slight chance of thunderstorms until early morning, then a chance of thunderstorms late. .FRIDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 8 seconds. Showers likely with a chance of thunderstorms in the morning, then showers with thunderstorms likely in the afternoon. .FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 6 feet at 8 seconds. Showers. Thunderstorms likely, mainly in the evening. .SATURDAY...South winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 8 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 8 seconds. .SUNDAY...South winds around 10 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 8 seconds. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. .MONDAY...Southwest winds 5 to 10 knots. Seas 2 to 3 feet. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 2 to 3 feet. .TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. .TUESDAY NIGHT...Southeast winds around 15 knots. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$ GMZ472-280915- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 338 PM CDT Thu Mar 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH FRIDAY MORNING... .TONIGHT...Southeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 7 seconds. A slight chance of showers and thunderstorms late. .FRIDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 7 feet at 8 seconds. A chance of thunderstorms. Showers, mainly in the evening. .SATURDAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 6 feet at 8 seconds. Showers likely with a chance of thunderstorms in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 8 seconds. .SUNDAY...South winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 5 feet at 8 seconds. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. .MONDAY...Southwest winds 5 to 10 knots. Seas 3 to 4 feet. .MONDAY NIGHT...Northeast winds 5 to 10 knots. Seas 2 to 3 feet. .TUESDAY...East winds around 10 knots. Seas around 3 feet. .TUESDAY NIGHT...Southeast winds 15 to 20 knots. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$ GMZ475-280915- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 338 PM CDT Thu Mar 27 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 7 PM CDT THIS EVENING THROUGH FRIDAY MORNING... .TONIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 6 feet at 7 seconds. .FRIDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: Southeast 8 feet at 8 seconds. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. .FRIDAY NIGHT...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: Southeast 8 feet at 8 seconds. A chance of thunderstorms. Showers likely, mainly in the evening. .SATURDAY...Southeast winds 15 to 20 knots with gusts up to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: Southeast 7 feet at 8 seconds. Showers with a chance of thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: South 6 feet at 8 seconds. A slight chance of showers and thunderstorms in the evening. .SUNDAY...South winds 10 to 15 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Southeast 4 feet at 8 seconds and south 3 feet at 7 seconds. .SUNDAY NIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. .MONDAY...Southwest winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas 2 to 4 feet. A slight chance of showers and thunderstorms in the morning. .MONDAY NIGHT...North winds 5 to 10 knots, becoming east after midnight. Seas 2 to 3 feet. .TUESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. .TUESDAY NIGHT...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 3 to 4 feet. Winds and seas higher in and near thunderstorms. $$