Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
555 FZUS54 KLCH 021807 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1207 PM CST Tue Dec 2 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. GMZ400-030700- 1207 PM CST Tue Dec 2 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... Gusty offshore flow and seas of 3-5 feet will continue in the wake of a frontal passage through the morning before weakening this afternoon as high pressure begins to build across the region. Winds will turn back onshore Wednesday afternoon ahead of a developing coastal low that will bring widespread precipitation across the coastal waters Wednesday through late Friday. Strong offshore winds and increasing seas are expected to develop Thursday in the vicinity of the center of the coastal low before abating late Friday as the low pushes off to the east. $$ GMZ430-030700- Sabine Lake- 1207 PM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... .TONIGHT...Northeast winds 5 to 10 knots, becoming east late. Lake waters light chop. .WEDNESDAY...East winds around 10 knots. Lake waters light chop. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Lake waters choppy. A chance of thunderstorms. Showers likely in the evening, then showers after midnight. .THURSDAY...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Lake waters rough. Showers with a chance of thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...Northeast winds 15 to 20 knots, becoming north 10 to 15 knots after midnight. Lake waters rough. Showers likely. A chance of thunderstorms, mainly in the evening. .FRIDAY...North winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Lake waters choppy. Showers likely, mainly in the morning. .FRIDAY NIGHT...North winds around 5 knots. Lake waters smooth. A chance of showers. .SATURDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Lake waters light chop. A slight chance of showers in the morning. .SATURDAY NIGHT...South winds around 5 knots, becoming west after midnight. Lake waters smooth. .SUNDAY...North winds 5 to 10 knots. Lake waters light chop. .SUNDAY NIGHT...North winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ432-030700- Calcasieu Lake- 1207 PM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... .TONIGHT...Northeast winds around 10 knots, becoming east late. Lake waters light chop. .WEDNESDAY...East winds 10 to 15 knots. Lake waters choppy. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Lake waters choppy. A chance of showers with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. .THURSDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. Showers with a chance of thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .THURSDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. Showers likely with a chance of thunderstorms. .FRIDAY...North winds 10 to 15 knots with gusts up to 20 knots, diminishing to 5 to 10 knots in the afternoon. Lake waters choppy. Showers likely. .FRIDAY NIGHT...North winds 5 to 10 knots. Lake waters light chop. A chance of showers. .SATURDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Lake waters light chop. A slight chance of showers. .SATURDAY NIGHT...South winds 5 to 10 knots, becoming west after midnight. Lake waters light chop. .SUNDAY...North winds 5 to 10 knots. Lake waters light chop. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. Winds and waves higher in and near thunderstorms. $$ GMZ435-030700- Vermilion and West Cote Blanche Bays- 1207 PM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... .TONIGHT...Northeast winds 10 to 15 knots, becoming around 10 knots late. Bay waters choppy. .WEDNESDAY...East winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Bay waters choppy. A chance of showers in the evening, then showers with a slight chance of thunderstorms after midnight. .THURSDAY...East winds 10 to 15 knots, becoming northeast 15 to 20 knots in the afternoon. Bay waters rough. A slight chance of thunderstorms. Showers. .THURSDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Bay waters rough. Showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .FRIDAY...North winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Bay waters choppy. A slight chance of thunderstorms in the morning. Showers. .FRIDAY NIGHT...North winds 5 to 10 knots. Bay waters light chop. Showers likely, mainly in the evening. .SATURDAY...Northeast winds 5 to 10 knots. Bay waters light chop. A chance of showers. .SATURDAY NIGHT...Southeast winds around 5 knots, becoming northwest after midnight. Bay waters smooth. A slight chance of showers in the evening. .SUNDAY...North winds 5 to 10 knots. Bay waters light chop. .SUNDAY NIGHT...North winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Bay waters choppy. Winds and waves higher in and near thunderstorms. $$ GMZ436-030700- Atchafalaya and East Cote Blanche Bays- 1207 PM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... .TONIGHT...North winds 10 to 15 knots, becoming northeast 5 to 10 knots late this evening and overnight. 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 chance of showers in the evening, then showers with a slight chance of thunderstorms after midnight. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. Showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .FRIDAY...North winds 5 to 10 knots. Bay waters light chop. Showers with a slight chance of thunderstorms. .FRIDAY NIGHT...North winds 5 to 10 knots. Bay waters light chop. Showers likely, mainly in the evening. .SATURDAY...North winds 5 to 10 knots. Bay waters light chop. A chance of showers. .SATURDAY NIGHT...East winds around 5 knots, becoming northwest after midnight. Bay waters smooth. A slight chance of showers in the evening. .SUNDAY...North winds around 5 knots. Bay waters smooth. .SUNDAY NIGHT...North winds 5 to 10 knots. Bay waters light chop. A slight chance of showers in the evening. Winds and waves higher in and near thunderstorms. $$ GMZ450-030700- Coastal waters from Cameron LA to High Island TX out 20 NM- 1207 PM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... .TONIGHT...Northeast winds 10 to 15 knots, becoming east after midnight. Seas around 2 feet. Wave Detail: Northeast 1 foot at 3 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds. A chance of thunderstorms. Showers likely in the evening, then showers after midnight. .THURSDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 6 seconds. Showers with a chance of thunderstorms. .THURSDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: Northeast 4 feet at 5 seconds and south 1 foot at 6 seconds. A chance of thunderstorms. Showers. .FRIDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds and south 1 foot at 6 seconds. Showers. .FRIDAY NIGHT...North winds 5 to 10 knots. Seas around 2 feet. A chance of showers. .SATURDAY...North winds 5 to 10 knots, becoming east in the afternoon. Seas around 2 feet. A chance of showers, mainly in the morning. .SATURDAY NIGHT...Southwest winds 5 to 10 knots, becoming west after midnight. Seas around 2 feet. .SUNDAY...North winds around 10 knots, becoming northeast in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ452-030700- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1207 PM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... .TONIGHT...Northeast winds 10 to 15 knots, becoming east late. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds. .WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. .WEDNESDAY NIGHT...Southeast winds around 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 4 seconds. Showers likely 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, becoming northeast 20 to 25 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 5 seconds. Showers with a chance of thunderstorms in the morning, then showers with a slight 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. Wave Detail: East 4 feet at 5 seconds and south 1 foot at 6 seconds. Showers with a chance of thunderstorms. .FRIDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 3 seconds and southeast 1 foot at 5 seconds. A slight chance of thunderstorms in the morning. Showers. .FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet. Showers likely, mainly in the evening. .SATURDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers. .SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming west after midnight. Seas around 2 feet. A slight chance of showers in the evening. .SUNDAY...North winds 5 to 10 knots. Seas around 2 feet. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ455-030700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1207 PM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... .TONIGHT...Northeast winds 10 to 15 knots, becoming around 10 knots late. Seas around 2 feet this evening, then 1 foot or less. Wave Detail: North 2 feet at 3 seconds, becoming northeast 1 foot at 3 seconds. .WEDNESDAY...East winds around 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 3 seconds. A chance of showers in the evening, then showers with a slight chance of thunderstorms after midnight. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds. Showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds. Showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .FRIDAY...North winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds. Showers with a slight chance of thunderstorms. .FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas 1 to 2 feet. Showers. .SATURDAY...Northeast winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. A chance of showers. .SATURDAY NIGHT...East winds around 5 knots, becoming northwest after midnight. Seas 1 foot or less. A chance of showers, mainly in the evening. .SUNDAY...North winds 5 to 10 knots. Seas 1 foot or less. .SUNDAY NIGHT...North winds 5 to 10 knots, becoming northeast 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ470-030700- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1207 PM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... .TONIGHT...Northeast winds 10 to 15 knots, becoming east after midnight. Seas 2 to 3 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: Southeast 3 feet at 5 seconds. A chance of showers in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. A chance of thunderstorms. Showers. .THURSDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet, building to 4 to 6 feet, occasionally to 8 feet in the afternoon. Wave Detail: Northeast 3 feet at 4 seconds and southeast 3 feet at 5 seconds, becoming east 5 feet at 6 seconds and south 2 feet at 6 seconds. Showers with a chance of thunderstorms. .THURSDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 6 seconds and south 1 foot at 6 seconds. A chance of thunderstorms. Showers. .FRIDAY...North winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: East 3 feet at 6 seconds and south 1 foot at 6 seconds. A slight chance of thunderstorms in the morning. Showers. .FRIDAY NIGHT...North winds 5 to 10 knots. Seas 2 to 3 feet. Showers likely, mainly in the evening. .SATURDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers, mainly in the morning. .SATURDAY NIGHT...South winds 5 to 10 knots, becoming west after midnight. Seas around 2 feet. A slight chance of showers in the evening. .SUNDAY...Northwest winds around 10 knots, becoming north in the afternoon. Seas around 2 feet. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ472-030700- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1207 PM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... .TONIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots, becoming east late. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 4 seconds and southeast 1 foot at 7 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Southeast winds around 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. A chance of thunderstorms. Showers. .THURSDAY...Southeast winds 15 to 20 knots, becoming northeast in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 5 seconds and southwest 1 foot at 6 seconds. Showers with a chance of thunderstorms. .THURSDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 5 seconds and southwest 1 foot at 6 seconds. Showers with a chance of thunderstorms. .FRIDAY...North winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds and south 2 feet at 6 seconds. Showers with a slight chance of thunderstorms. .FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Showers likely. .SATURDAY...North winds 10 to 15 knots, becoming northeast 5 to 10 knots in the afternoon. Seas 2 to 3 feet. A chance of showers. A slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming west after midnight. Seas around 2 feet. A slight chance of showers. .SUNDAY...North winds around 10 knots. Seas around 2 feet. A slight chance of showers. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ475-030700- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1207 PM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 3 PM CST THIS AFTERNOON... .TONIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots, becoming around 10 knots late. Seas 3 to 5 feet, occasionally to 6 feet, subsiding to 2 to 3 feet after midnight. Wave Detail: Northwest 3 feet at 5 seconds and southeast 1 foot at 7 seconds, becoming east 2 feet at 5 seconds and northwest 1 foot at 4 seconds. .WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds. A slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .THURSDAY...Southeast winds 15 to 20 knots, becoming east in the afternoon. Seas 3 to 4 feet. Wave Detail: East 4 feet at 5 seconds. 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 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds and southwest 1 foot at 6 seconds. Showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .FRIDAY...North winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: North 2 feet at 4 seconds and southeast 2 feet at 5 seconds. Showers. A chance of thunderstorms, mainly in the morning. .FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Showers. .SATURDAY...North winds 10 to 15 knots, becoming northeast 5 to 10 knots in the afternoon. Seas 2 to 3 feet. Showers likely in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .SATURDAY NIGHT...Northeast winds 5 to 10 knots, becoming northwest after midnight. Seas around 2 feet. A chance of showers in the evening, then a slight chance of showers and thunderstorms after midnight. .SUNDAY...North winds around 10 knots. Seas around 2 feet. A slight chance of showers. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$