Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
830 FZUS54 KLCH 040449 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1149 PM CDT Fri Oct 3 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. GMZ400-041700- 1149 PM CDT Fri Oct 3 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... Low pressure in the northern Gulf will cause widespread showers and storms through the first part of next week. Winds will be elevated, and a small craft advisory remains in effect through Sunday morning. Winds will be from the east between 15 and 20 knots, with gusts from 25 to 30 knots. Waves will build to 7 feet, with a 6 to 8-second period. Late Sunday, the low will move onshore, and by Monday, winds will weaken, dropping below advisory criteria. Once the winds weaken, waves will quickly drop below 4 feet by Monday. $$ GMZ430-041700- Sabine Lake- 1149 PM CDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...East winds 5 to 10 knots. Lake waters light chop. .SATURDAY...East winds 10 to 15 knots. Lake waters choppy. .SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. A slight chance of showers early in the evening. .SUNDAY...East winds 10 to 15 knots. Lake waters choppy. A slight chance of showers in the morning, then a chance of showers in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. A chance of showers. .MONDAY...East winds 5 to 10 knots. Lake waters light chop. A chance of showers. .MONDAY NIGHT...East winds around 5 knots. Lake waters smooth. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers in the late evening and overnight. .TUESDAY...East winds around 5 knots. Lake waters smooth. A slight chance of thunderstorms. A slight chance of showers in the morning, then a chance of showers in the afternoon. .TUESDAY NIGHT...Southeast winds around 5 knots, becoming northeast after midnight. Lake waters light chop. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers in the late evening and early morning. .WEDNESDAY...Northeast winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the evening. Winds and waves higher in and near thunderstorms. $$ GMZ432-041700- Calcasieu Lake- 1149 PM CDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...East winds 5 to 10 knots. Lake waters light chop. .SATURDAY...East winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. A slight chance of showers and thunderstorms late. .SATURDAY NIGHT...East winds 10 to 15 knots with gusts up to 25 knots. Lake waters choppy. A slight chance of showers early in the evening. A slight chance of showers late. .SUNDAY...East winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. A slight chance of showers in the morning. A slight chance of thunderstorms in the late morning and afternoon. A chance of showers in the afternoon. .SUNDAY NIGHT...East winds around 10 knots. Lake waters light chop. A chance of showers early in the evening, then a slight chance of showers late in the evening. A chance of showers with a slight chance of thunderstorms after midnight. .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...East winds around 5 knots. Lake waters smooth. 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 around 5 knots. Lake waters smooth. 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 early in the evening, then a slight chance of showers late in the evening. .WEDNESDAY...Northeast winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Northeast winds around 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. $$ GMZ435-041700- Vermilion and West Cote Blanche Bays- 1149 PM CDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...East winds 10 to 15 knots. Bay waters choppy. .SATURDAY...East winds 15 to 20 knots with gusts up to 25 knots. Bay waters rough. A slight chance of showers and thunderstorms early in the afternoon. A chance of showers and thunderstorms late. .SATURDAY NIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Bay waters rough. A chance of showers with a slight chance of thunderstorms early in the evening. A slight chance of showers in the late evening and early morning, then a chance of showers with a slight chance of thunderstorms late. .SUNDAY...East winds 10 to 15 knots. Bay waters choppy. A chance of showers in the morning. A chance of thunderstorms. Showers likely in the afternoon. .SUNDAY NIGHT...East winds 10 to 15 knots. Bay waters choppy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .MONDAY...Southeast winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .MONDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms early in the evening. .TUESDAY...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers early in the evening. .WEDNESDAY...Northeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming northeast 10 to 15 knots after midnight. Bay waters choppy. A slight chance of showers and thunderstorms early in the evening. Winds and waves higher in and near thunderstorms. $$ GMZ436-041700- Atchafalaya and East Cote Blanche Bays- 1149 PM CDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...East winds 10 to 15 knots. Bay waters choppy. A slight chance of thunderstorms. .SATURDAY...East winds 15 to 20 knots with gusts up to 25 knots. Bay waters rough. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .SATURDAY NIGHT...East winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Bay waters rough. A chance of showers. A chance of thunderstorms early in the evening. A slight chance of thunderstorms after midnight. .SUNDAY...East winds 10 to 15 knots. Bay waters choppy. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .SUNDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. Showers likely in the evening. A chance of thunderstorms. A chance of showers after midnight. .MONDAY...Southeast winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .MONDAY NIGHT...East winds around 5 knots. Bay waters smooth. 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. Bay waters light chop. A slight chance of showers early in the morning. 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, then a slight chance of showers in the late evening and early morning. .WEDNESDAY...Northeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Northeast 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 late in the evening. Winds and waves higher in and near thunderstorms. $$ GMZ450-041700- Coastal waters from Cameron LA to High Island TX out 20 NM- 1149 PM CDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers late this evening. .SATURDAY...East winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers early in the afternoon. A slight chance of showers and thunderstorms late. .SATURDAY NIGHT...East winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 5 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 early morning. A 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 3 feet at 5 seconds. A chance of showers. .SUNDAY NIGHT...East 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 in the late evening and overnight. .MONDAY...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers early in the evening, then a slight chance of showers in the late evening and overnight. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. 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, becoming northeast 10 to 15 knots after midnight. Seas 1 foot or less. 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 around 2 feet. A slight chance of showers. A slight chance of thunderstorms early in the morning. A slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. A slight chance of thunderstorms until early morning. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ452-041700- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1149 PM CDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers. A slight chance of thunderstorms. .SATURDAY...East winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 4 seconds. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...East winds 20 to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Southeast 4 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms early in the evening. A slight chance of thunderstorms late. .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, subsiding to 2 to 3 feet in the afternoon. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms. .SUNDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .MONDAY...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...East winds 5 to 10 knots. 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. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. A slight chance of showers. .TUESDAY NIGHT...East winds 5 to 10 knots, becoming northeast 10 to 15 knots after midnight. Seas 1 foot or less. A slight chance of showers until early morning. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots, becoming northeast 15 to 20 knots after midnight. Seas around 2 feet. A slight chance of showers and thunderstorms until early morning. Winds and seas higher in and near thunderstorms. $$ GMZ455-041700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1149 PM CDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 3 seconds. A chance of showers with a slight chance of thunderstorms. .SATURDAY...East winds 20 to 25 knots. Seas 2 to 4 feet. Wave Detail: East 3 feet at 4 seconds. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .SATURDAY NIGHT...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 in the 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. Showers likely with a chance of thunderstorms. .SUNDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 3 seconds. Showers likely in the evening. A chance of thunderstorms. A chance of showers after midnight. .MONDAY...Southeast winds 5 to 10 knots. Seas 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. 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. 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. A chance of showers 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 around 10 knots. Seas around 2 feet. A slight chance of showers. A slight chance of thunderstorms early in the morning. A slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots, becoming northeast 10 to 15 knots after midnight. Seas around 2 feet. A slight chance of showers and thunderstorms until early morning. Winds and seas higher in and near thunderstorms. $$ GMZ470-041700- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1149 PM CDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...East winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: East 6 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. .SATURDAY...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 6 seconds. A chance of showers with a slight chance of thunderstorms. .SATURDAY NIGHT...East winds 20 to 25 knots with gusts up to 30 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 6 feet at 6 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 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. .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 in the evening, then a chance of thunderstorms after midnight. .MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 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...Southeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms. .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. .WEDNESDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. A slight chance of showers. A slight chance of thunderstorms early in the morning. A slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. A slight chance of thunderstorms early in the evening. A chance of showers until early morning, then a slight chance of showers late. Winds and seas higher in and near thunderstorms. $$ GMZ472-041700- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1149 PM CDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...East winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 6 feet at 7 seconds. A chance of showers. A slight chance of thunderstorms late this evening, then a chance of thunderstorms. .SATURDAY...East winds 20 to 25 knots. 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. .SATURDAY NIGHT...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. A slight chance of thunderstorms. .SUNDAY...East winds 15 to 20 knots with gusts up to 25 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 7 seconds. Showers likely with a slight chance of thunderstorms until late afternoon, then a chance of showers and thunderstorms late. .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 and thunderstorms. .MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 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 around 10 knots. Seas around 2 feet. A chance of showers early in the evening, then a slight chance of showers in the late evening and overnight. .TUESDAY...East winds around 10 knots. Seas around 2 feet. A slight chance of showers in the morning, then a chance of showers in the afternoon. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. A chance of showers in the evening, then a slight chance of showers after midnight. A slight chance of thunderstorms late. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers. A slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. A slight chance of thunderstorms in the evening. A chance of showers until early morning. A slight chance of showers late. Winds and seas higher in and near thunderstorms. $$ GMZ475-041700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1149 PM CDT Fri Oct 3 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SUNDAY MORNING... .REST OF TONIGHT...East winds 20 to 25 knots. Seas 5 to 8 feet, occasionally to 10 feet. Wave Detail: East 7 feet at 7 seconds. A chance of thunderstorms. Showers likely. .SATURDAY...East winds 20 to 25 knots. Seas 5 to 7 feet, occasionally to 9 feet. Wave Detail: East 7 feet at 7 seconds. A chance of thunderstorms. Showers. .SATURDAY NIGHT...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. A chance of thunderstorms. Showers. .SUNDAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet in the afternoon. Wave Detail: East 5 feet at 7 seconds. A chance of thunderstorms. Showers likely 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 6 seconds. A chance of showers. .MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms. .MONDAY NIGHT...East winds 5 to 10 knots. 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. .TUESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. A slight chance of showers in the morning, then a chance of showers in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots, becoming northeast 10 to 15 knots after midnight. 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 and thunderstorms 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 2 to 4 feet. A chance of showers until early morning, then a slight chance of showers late. Winds and seas higher in and near thunderstorms. $$