Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
720 FZUS54 KLCH 020607 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1207 AM 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. GMZ400-021900- 1207 AM 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. $$ GMZ430-021900- Sabine Lake- 1207 AM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...North winds 15 to 20 knots, diminishing to 5 to 10 knots. Lake waters rough. .TONIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...East winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Lake waters choppy. Showers likely with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. .THURSDAY...Northeast winds 10 to 15 knots. Lake waters choppy. Showers with a chance of thunderstorms in the morning, then showers likely in the afternoon. .THURSDAY NIGHT...North winds 10 to 15 knots. Lake waters choppy. Showers likely, mainly in the evening. .FRIDAY...North winds 5 to 10 knots. Lake waters light chop. A chance of showers. .FRIDAY NIGHT...North winds 5 to 10 knots. Lake waters light chop. A chance of showers. .SATURDAY...Northeast winds 5 to 10 knots, becoming southeast in the afternoon. Lake waters light chop. A slight chance of showers in the morning. .SATURDAY NIGHT...South winds around 5 knots, becoming west after midnight. Lake waters smooth. Winds and waves higher in and near thunderstorms. $$ GMZ432-021900- Calcasieu Lake- 1207 AM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...North winds 15 to 20 knots with gusts up to 25 knots, diminishing to 10 to 15 knots this afternoon. Lake waters rough. .TONIGHT...Northeast winds 5 to 10 knots. 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. Showers likely in the evening, then showers with a chance of thunderstorms after midnight. .THURSDAY...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Lake waters rough. Showers with a slight chance of thunderstorms in the morning, then showers likely in the afternoon. .THURSDAY NIGHT...Northeast winds 15 to 20 knots, becoming north 10 to 15 knots after midnight. Lake waters rough. Showers likely, 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 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 in the morning. .SATURDAY NIGHT...South winds 5 to 10 knots, becoming west after midnight. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ435-021900- Vermilion and West Cote Blanche Bays- 1207 AM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...North winds 15 to 20 knots with gusts up to 25 knots, diminishing to 10 to 15 knots late. Bay waters rough. .TONIGHT...North winds 10 to 15 knots, becoming northeast 5 to 10 knots after midnight. Bay waters choppy. .WEDNESDAY...East winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Bay waters choppy. A chance of showers in the evening, then showers with a slight chance of thunderstorms after midnight. .THURSDAY...Northeast winds 10 to 15 knots. Bay waters choppy. A slight chance of thunderstorms. Showers. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. Showers. .FRIDAY...North winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Bay waters choppy. A slight chance of thunderstorms in the morning. Showers likely. .FRIDAY NIGHT...North winds 5 to 10 knots. Bay waters light chop. A chance of showers. .SATURDAY...Northeast winds 5 to 10 knots. Bay waters light chop. A chance of showers, mainly in the morning. .SATURDAY NIGHT...East winds around 5 knots, becoming north after midnight. Bay waters light chop. A slight chance of showers in the evening. Winds and waves higher in and near thunderstorms. $$ GMZ436-021900- Atchafalaya and East Cote Blanche Bays- 1207 AM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots with gusts up to 20 knots late this morning and afternoon. Bay waters rough. .TONIGHT...Northeast winds 5 to 10 knots. Bay waters light chop. .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...Northeast winds 10 to 15 knots. Bay waters choppy. A slight chance of thunderstorms. Showers, mainly in the morning. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. Showers. .FRIDAY...North winds 5 to 10 knots. Bay waters light chop. Showers likely. A chance of thunderstorms, mainly in the morning. .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...Northeast winds around 5 knots. Bay waters smooth. A slight chance of showers. Winds and waves higher in and near thunderstorms. $$ GMZ450-021900- Coastal waters from Cameron LA to High Island TX out 20 NM- 1207 AM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...North winds 15 to 20 knots with gusts up to 25 knots, diminishing to 10 to 15 knots with gusts up to 20 knots this afternoon. Seas 2 to 3 feet. Wave Detail: North 3 feet at 4 seconds. .TONIGHT...Northeast winds around 10 knots, becoming east after midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. Showers likely with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. .THURSDAY...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Showers. A chance of thunderstorms, mainly in the morning. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds and south 1 foot at 6 seconds. Showers likely, mainly in the evening. .FRIDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. .FRIDAY NIGHT...North winds 5 to 10 knots. Seas around 2 feet in the evening, then 1 foot or less. A chance of showers. .SATURDAY...Northeast winds around 10 knots, becoming east in the afternoon. Seas around 2 feet. A slight chance of showers. .SATURDAY NIGHT...South winds around 10 knots, becoming west after midnight. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ452-021900- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1207 AM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots late this morning and afternoon. Seas 2 to 4 feet. Wave Detail: North 4 feet at 4 seconds. .TONIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds. .WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 3 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. Showers likely in the evening, then showers with a chance of thunderstorms after midnight. .THURSDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds and south 2 feet at 5 seconds. Showers. A chance of thunderstorms, mainly in the morning. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds and south 1 foot at 6 seconds. Showers. .FRIDAY...North winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of thunderstorms in the morning. Showers likely. .FRIDAY NIGHT...North winds around 10 knots. Seas around 2 feet in the evening, then 1 foot or less. A chance of showers. .SATURDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers, mainly in the morning. .SATURDAY NIGHT...Southeast winds 5 to 10 knots, becoming northwest after midnight. Seas 1 foot or less. A slight chance of showers in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ455-021900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1207 AM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots late. Seas 2 to 3 feet. Wave Detail: North 3 feet at 3 seconds. .TONIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: North 2 feet at 3 seconds. .WEDNESDAY...East winds around 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 3 seconds. A chance of showers in the evening, then showers with a slight chance of thunderstorms after midnight. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of thunderstorms. Showers, mainly in the morning. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds and south 1 foot at 5 seconds. Showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. .FRIDAY...North winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet. Showers with a chance of thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .FRIDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet. Showers likely, mainly in the evening. .SATURDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. A chance of showers. .SATURDAY NIGHT...East winds 5 to 10 knots, becoming north after midnight. Seas 1 foot or less. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ470-021900- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1207 AM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...North winds 20 to 25 knots, diminishing to 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 6 seconds. .TONIGHT...Northeast winds 10 to 15 knots, becoming east after midnight. 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 around 2 feet. Wave Detail: East 2 feet at 5 seconds. A 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 5 seconds. A chance of thunderstorms. Showers. .THURSDAY...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 5 seconds and southeast 4 feet at 6 seconds. Showers with a chance of thunderstorms. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 5 seconds and south 2 feet at 6 seconds. Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. .FRIDAY...North winds 10 to 15 knots. Seas 2 to 4 feet. Showers likely with a slight chance of thunderstorms in the morning, then showers likely in the afternoon. .FRIDAY NIGHT...North winds around 10 knots. Seas 2 to 3 feet. A chance of showers. .SATURDAY...Northeast winds around 10 knots. Seas around 2 feet. A chance of showers, mainly in the morning. .SATURDAY NIGHT...Southeast winds around 10 knots, becoming west after midnight. Seas around 2 feet. A slight chance of showers in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ472-021900- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1207 AM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots this afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 5 feet at 5 seconds and southeast 2 feet at 7 seconds. .TONIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: North 2 feet at 4 seconds and southeast 1 foot at 7 seconds. .WEDNESDAY...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. Showers likely with a slight chance of thunderstorms in the evening, then showers with a chance of thunderstorms after midnight. .THURSDAY...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 4 seconds and southeast 3 feet at 5 seconds. Showers with a chance of thunderstorms. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 5 seconds and southeast 2 feet at 6 seconds. Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. .FRIDAY...North winds 10 to 15 knots. Seas 2 to 4 feet. Showers. A chance of thunderstorms, mainly in the morning. .FRIDAY NIGHT...Northeast winds around 10 knots. Seas 2 to 3 feet. Showers likely, mainly in the evening. .SATURDAY...Northeast winds around 10 knots. Seas around 2 feet. A chance of showers. .SATURDAY NIGHT...East winds around 10 knots, becoming west after midnight. Seas around 2 feet. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ475-021900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1207 AM CST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS AFTERNOON... .TODAY...North winds 20 to 25 knots, diminishing to 15 to 20 knots this afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 5 feet at 6 seconds and east 3 feet at 7 seconds. .TONIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: North 2 feet at 5 seconds and southeast 1 foot at 6 seconds. .WEDNESDAY...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A chance of showers in the evening, then showers likely with a slight chance of thunderstorms after midnight. .THURSDAY...South winds around 15 knots, becoming northeast in the afternoon. Seas 3 to 4 feet. Wave Detail: Southeast 4 feet at 5 seconds and northeast 3 feet at 4 seconds. Showers. A chance of thunderstorms, mainly in the morning. .THURSDAY NIGHT...Northeast winds around 15 knots. Seas 3 to 4 feet. Wave Detail: East 3 feet at 5 seconds. Showers with a slight chance of thunderstorms. .FRIDAY...North winds 10 to 15 knots. Seas 2 to 4 feet. Showers with a 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. Seas 2 to 3 feet. A chance of showers. .SATURDAY NIGHT...Northeast winds around 10 knots, becoming north after midnight. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Winds and seas higher in and near thunderstorms. $$