Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
944 FZUS54 KLCH 041810 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 109 PM CDT Sat Oct 4 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. GMZ400-050700- 109 PM CDT Sat Oct 4 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... A weak, non-tropical surface low will move northwest across the northwest Gulf through Monday. This feature will combine with high pressure over the Mid-Atlantic to bring elevated easterly winds and seas. An increase in moisture with this system will bring scattered to widespread showers and a few thunderstorms into early next week. $$ GMZ430-050700- Sabine Lake- 109 PM CDT Sat Oct 4 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH SUNDAY MORNING... .TONIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. A slight chance of showers early this evening. .SUNDAY...Northeast winds 10 to 15 knots. Lake waters choppy. A slight chance of showers late in the morning. A chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. A chance of showers. A chance of thunderstorms early in the evening. A slight chance of thunderstorms late. .MONDAY...Southeast winds 5 to 10 knots. Lake waters light chop. A chance of showers. A slight chance of thunderstorms early in the morning, then a chance of thunderstorms in the late morning and afternoon. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. A chance of showers with a slight chance of thunderstorms early in the evening. A slight chance of showers and thunderstorms after midnight. .TUESDAY...East winds around 5 knots. Lake waters smooth. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers in the late evening and overnight. .WEDNESDAY...Northeast winds 5 to 10 knots. Lake waters light chop. A slight chance of showers early in the morning. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms early in the evening, then a slight chance of showers in the late evening and early morning. .THURSDAY...Northeast winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms early in the evening. Winds and waves higher in and near thunderstorms. $$ GMZ432-050700- Calcasieu Lake- 109 PM CDT Sat Oct 4 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT THROUGH SUNDAY MORNING... .TONIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Lake waters choppy. A slight chance of showers early this evening. A slight chance of showers after midnight. .SUNDAY...East winds 10 to 15 knots. Lake waters choppy. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. A chance of showers. A chance of thunderstorms early in the evening. A slight chance of thunderstorms late. .MONDAY...Southeast winds 5 to 10 knots. Lake waters light chop. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. A chance of showers early in the evening. .TUESDAY...East winds around 5 knots. Lake waters smooth. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers in the late evening and early morning. .WEDNESDAY...Northeast winds 5 to 10 knots. Lake waters light chop. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Northeast winds around 10 knots. Lake waters light chop. A slight chance of showers in the evening. .THURSDAY...Northeast winds around 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms early in the evening. Winds and waves higher in and near thunderstorms. $$ GMZ435-050700- Vermilion and West Cote Blanche Bays- 109 PM CDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Bay waters rough. A chance of showers with a slight chance of thunderstorms. .SUNDAY...East winds 10 to 15 knots. Bay waters choppy. A chance of showers in the morning. A chance of thunderstorms. Showers likely in the afternoon. .SUNDAY NIGHT...East winds 10 to 15 knots. Bay waters choppy. A chance of showers. .MONDAY...Southeast winds 5 to 10 knots. Bay waters light chop. A chance of showers. .MONDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms early in the evening. .TUESDAY...East winds 5 to 10 knots. Bay waters light chop. A chance of showers with a slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A chance of showers with a slight chance of thunderstorms early in the evening. .WEDNESDAY...Northeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers early in the evening. .THURSDAY...East winds 10 to 15 knots. Bay waters choppy. .THURSDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ436-050700- Atchafalaya and East Cote Blanche Bays- 109 PM CDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TONIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Bay waters rough. A chance of showers. .SUNDAY...East winds 10 to 15 knots. Bay waters choppy. A chance of thunderstorms. A chance of showers early in the morning, then showers likely in the late morning and afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .MONDAY...Southeast winds 5 to 10 knots. Bay waters light chop. A chance of showers. .MONDAY NIGHT...Southeast winds 5 to 10 knots, becoming east after midnight. Bay waters light chop. A chance of showers and thunderstorms early in the evening, then a slight chance of showers in the late evening and overnight. .TUESDAY...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .TUESDAY NIGHT...East winds around 5 knots, becoming northeast after midnight. Bay waters light chop. A chance of showers with a slight chance of thunderstorms early in the evening. .WEDNESDAY...Northeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms early in the evening, then a slight chance of showers in the late evening and early morning. .THURSDAY...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms early in the evening. Winds and waves higher in and near thunderstorms. $$ GMZ450-050700- Coastal waters from Cameron LA to High Island TX out 20 NM- 109 PM CDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TONIGHT...East 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 5 seconds. A slight chance of thunderstorms this evening. A chance of showers until early morning, then a slight chance of showers late. .SUNDAY...Northeast winds 15 to 20 knots, becoming east 10 to 15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: East 4 feet at 5 seconds. A chance of showers. A chance of thunderstorms in the afternoon. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers. .MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A chance of thunderstorms in the morning. A chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers and thunderstorms early in the evening. A slight chance of showers and thunderstorms after midnight. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A chance of showers. A chance of thunderstorms, mainly in the morning. .TUESDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers in the late evening and overnight. A slight chance of thunderstorms after midnight. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of thunderstorms early in the morning. A slight chance of showers. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers. .THURSDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers and thunderstorms early in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ452-050700- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 109 PM CDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TONIGHT...East winds 20 to 25 knots with gusts up to 30 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .SUNDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. 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 likely with a chance of thunderstorms in the afternoon. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. A chance of showers. .MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A chance of thunderstorms in the morning. A chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of thunderstorms early in the evening. A slight chance of showers. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .TUESDAY 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 chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers in the late evening and overnight. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers until early morning. .THURSDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers and thunderstorms early in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ455-050700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 109 PM CDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TONIGHT...East winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail: East 3 feet at 4 seconds. A chance of showers this evening. A chance of thunderstorms. Showers likely after midnight. .SUNDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds. A chance of thunderstorms. Showers likely until late afternoon, then a chance of showers late. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 3 seconds. A chance of showers and thunderstorms. .MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. A chance of showers. A chance of thunderstorms early in the morning, then a slight chance of thunderstorms in the late morning and afternoon. .MONDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers in the late evening and overnight. .TUESDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers and thunderstorms in the late evening and early morning. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers until early morning. .THURSDAY...East winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers and thunderstorms early in the evening, then a slight chance of showers late in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ470-050700- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 109 PM CDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TONIGHT...East winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 7 seconds. A chance of showers with a slight chance of thunderstorms. .SUNDAY...Northeast winds 15 to 20 knots, becoming east 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms until early morning, then a chance of thunderstorms late. .MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. A chance of thunderstorms in the morning. A chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers. A slight chance of thunderstorms early in the evening. A slight chance of thunderstorms after midnight. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A chance of showers. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. A slight chance of thunderstorms early in the evening. A chance of showers. .WEDNESDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. A chance of showers. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. A chance of showers until early morning, then a slight chance of showers late. .THURSDAY...Northeast winds 15 to 20 knots, becoming east 10 to 15 knots in the afternoon. Seas 2 to 4 feet. A chance of showers. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. A chance of showers early in the evening, then a slight chance of showers in the late evening and early morning. Winds and seas higher in and near thunderstorms. $$ GMZ472-050700- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 109 PM CDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TONIGHT...East winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 7 seconds. Showers likely with a chance of thunderstorms. .SUNDAY...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 6 seconds. A chance of thunderstorms. Showers likely until late afternoon, then a chance of showers late. .SUNDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. A chance of showers and thunderstorms. .MONDAY...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of thunderstorms in the morning. A chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...Southeast winds around 10 knots. 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 late. .TUESDAY...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of thunderstorms until late afternoon. A chance of showers. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. A chance of showers until early morning, then a slight chance of showers late. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers in the morning, then a chance of showers in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. A chance of showers until early morning, then a slight chance of showers late. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. A slight chance of showers until late afternoon, then a chance of showers with a slight chance of thunderstorms late. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ475-050700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 109 PM CDT Sat Oct 4 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .TONIGHT...East winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 6 seconds. Showers with a chance of thunderstorms. .SUNDAY...Southeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: East 4 feet at 6 seconds. A chance of thunderstorms. Showers until late afternoon, then a chance of showers late. .SUNDAY NIGHT...Southeast winds around 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. A chance of showers. A chance of thunderstorms until early morning, then a slight chance of thunderstorms late. .MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. .MONDAY NIGHT...East winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of thunderstorms until late afternoon. A chance of showers. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers until early morning, then a slight chance of showers late. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. A slight chance of showers in the morning, then a chance of showers in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. A chance of showers until early morning, then a slight chance of showers late. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers in the morning, then a chance of showers in the afternoon. .THURSDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 2 to 4 feet. A chance of showers early in the evening, then a slight chance of showers in the late evening and overnight. Winds and seas higher in and near thunderstorms. $$