


Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
688 FZUS54 KLCH 070535 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1234 AM CDT Tue Oct 7 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. GMZ400-071800- 1234 AM CDT Tue Oct 7 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... Remnant surface trough will help bring light onshore winds today along with low seas. Winds will become light to modest from the northeast by Wednesday as weak surface high pressure ridging across the Gulf coast states will build into the coastal waters. The offshore winds along with seas will increase by Thursday as a cold front moves into the coastal waters. Offshore winds will remain elevated through the end of the week. $$ GMZ430-071800- Sabine Lake- 1234 AM CDT Tue Oct 7 2025 .TODAY...East winds around 5 knots. Lake waters smooth. Patchy fog early this morning. .TONIGHT...Southeast winds around 5 knots, becoming north after midnight. Lake waters light chop. .WEDNESDAY...Northeast winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. .THURSDAY...Northeast winds 10 to 15 knots. Lake waters choppy. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. .FRIDAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Lake waters choppy. .FRIDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. .SATURDAY...East winds 5 to 10 knots. Lake waters light chop. .SATURDAY NIGHT...Southeast winds around 5 knots. Lake waters smooth. $$ GMZ432-071800- Calcasieu Lake- 1234 AM CDT Tue Oct 7 2025 .TODAY...Light and variable winds, becoming east around 5 knots late this morning and early afternoon, then becoming south around 5 knots late. Lake waters smooth. Patchy fog early this morning. .TONIGHT...West winds around 5 knots, becoming northeast after midnight. Lake waters light chop. .WEDNESDAY...Northeast winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. .THURSDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. .THURSDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. .FRIDAY...Northeast winds 10 to 15 knots. Lake waters choppy. .FRIDAY NIGHT...Northeast winds around 10 knots. Lake waters light chop. .SATURDAY...East winds 5 to 10 knots. Lake waters light chop. .SATURDAY NIGHT...East winds around 5 knots. Lake waters smooth. $$ GMZ435-071800- Vermilion and West Cote Blanche Bays- 1234 AM CDT Tue Oct 7 2025 .TODAY...East winds around 5 knots, becoming southeast late. Bay waters smooth. Patchy fog early this morning. .TONIGHT...Southeast winds around 5 knots, becoming northeast after midnight. Bay waters light chop. .WEDNESDAY...Northeast winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .THURSDAY...Northeast winds 10 to 15 knots. Bay waters choppy. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .FRIDAY...Northeast winds 10 to 15 knots. Bay waters choppy. .FRIDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .SATURDAY...Northeast winds 5 to 10 knots. Bay waters light chop. .SATURDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. $$ GMZ436-071800- Atchafalaya and East Cote Blanche Bays- 1234 AM CDT Tue Oct 7 2025 .TODAY...Northeast winds around 5 knots, becoming south late. Bay waters smooth. Patchy fog early this morning. A slight chance of showers late this morning and afternoon. .TONIGHT...East winds around 5 knots, becoming northeast around 5 knots after midnight. Bay waters smooth. .WEDNESDAY...Northeast winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Bay waters choppy. .THURSDAY...Northeast winds 10 to 15 knots. Bay waters choppy. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .FRIDAY...Northeast winds 10 to 15 knots. Bay waters choppy. .FRIDAY NIGHT...Northeast winds around 10 knots. Bay waters light chop. .SATURDAY...Northeast winds 5 to 10 knots. Bay waters light chop. .SATURDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. $$ GMZ450-071800- Coastal waters from Cameron LA to High Island TX out 20 NM- 1234 AM CDT Tue Oct 7 2025 .TODAY...Southeast winds around 5 knots, becoming east late this morning and early afternoon, then becoming southeast late. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. .TONIGHT...Southeast winds around 5 knots, becoming northeast after midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds and south 1 foot at 4 seconds. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds and southeast 1 foot at 5 seconds. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds. A slight chance of showers and thunderstorms in the evening. .THURSDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds. .FRIDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet. .FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. .SATURDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. .SATURDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ452-071800- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1234 AM CDT Tue Oct 7 2025 .TODAY...East winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. Patchy fog early this morning. .TONIGHT...Southeast winds around 5 knots, becoming northeast after midnight. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds and southeast 1 foot at 4 seconds. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds and southeast 1 foot at 4 seconds. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds. A slight chance of showers and thunderstorms in the evening. .THURSDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 4 seconds. .THURSDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: Northeast 3 feet at 3 seconds. .FRIDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 4 feet. .FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. .SATURDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. .SATURDAY NIGHT...East winds around 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ455-071800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1234 AM CDT Tue Oct 7 2025 .TODAY...East winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. Patchy fog early this morning. A slight chance of showers this morning. .TONIGHT...East winds around 5 knots, becoming northeast after midnight. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. .WEDNESDAY...Northeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Northeast 1 foot at 3 seconds. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds. A slight chance of showers and thunderstorms in the evening. .THURSDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds. .FRIDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. .SATURDAY...Northeast winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet. .SATURDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-071800- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1234 AM CDT Tue Oct 7 2025 .TODAY...Southeast winds around 5 knots, becoming east late this morning and afternoon. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. .TONIGHT...East winds 5 to 10 knots, becoming northeast after midnight. Seas around 2 feet. Wave Detail: Northeast 1 foot at 2 seconds and southeast 1 foot at 5 seconds. .WEDNESDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 3 feet, building to 3 to 5 feet, occasionally to 6 feet after midnight. Wave Detail: East 2 feet at 5 seconds, becoming east 4 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. .THURSDAY...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots in the afternoon. Seas 4 to 6 feet, occasionally to 8 feet. Wave Detail: Northeast 5 feet at 6 seconds. A slight chance of showers in the morning. .THURSDAY NIGHT...Northeast 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 6 seconds. .FRIDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .FRIDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. .SATURDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. .SATURDAY NIGHT...East winds around 10 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ472-071800- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1234 AM CDT Tue Oct 7 2025 .TODAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: South 1 foot at 5 seconds. .TONIGHT...East winds 5 to 10 knots, becoming northeast after midnight. Seas around 2 feet. Wave Detail: Northeast 1 foot at 2 seconds and southeast 1 foot at 5 seconds. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail: East 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. .THURSDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds. .THURSDAY NIGHT...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds. .FRIDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. .FRIDAY NIGHT...East winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. .SATURDAY...Northeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Winds and seas higher in and near thunderstorms. $$ GMZ475-071800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1234 AM CDT Tue Oct 7 2025 .TODAY...East winds 5 to 10 knots, becoming northeast this afternoon. Seas around 2 feet. Wave Detail: Southeast 1 foot at 5 seconds. A slight chance of showers and thunderstorms early this morning, then a slight chance of showers late this morning. .TONIGHT...East winds 5 to 10 knots, becoming northeast 10 to 15 knots after midnight. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of showers. .WEDNESDAY NIGHT...East winds 10 to 15 knots, becoming northeast 15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of thunderstorms. A chance of showers, mainly in the evening. .THURSDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers and thunderstorms in the evening. .FRIDAY...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A slight chance of showers in the afternoon. .FRIDAY NIGHT...Northeast winds 15 to 20 knots. Seas 4 to 6 feet, occasionally to 8 feet. A slight chance of showers in the evening. .SATURDAY...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. .SATURDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 4 feet. Winds and seas higher in and near thunderstorms. $$