


Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
895 FZUS54 KLCH 180614 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 114 AM CDT Sat Oct 18 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. GMZ400-181900- 114 AM CDT Sat Oct 18 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... Onshore winds are forecast to pickup this morning with gusts around 15-18 kts by the afternoon. Now through the weekend, waves will build 2 - 4 ft. Rain chances will continue until the passage of a cold front early Sunday. Brief, but enhanced, offshore flow will take place before resuming onshore Monday afternoon. $$ GMZ430-181900- Sabine Lake- 114 AM CDT Sat Oct 18 2025 .TODAY...Southeast winds 5 to 10 knots, becoming south 10 to 15 knots this afternoon. Lake waters choppy. A chance of showers with a slight chance of thunderstorms late this morning. A chance of showers and thunderstorms this afternoon. .TONIGHT...Southwest winds around 10 knots, becoming northwest after midnight. Lake waters light chop. A chance of showers and thunderstorms. .SUNDAY...North winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. .SUNDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. .MONDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Lake waters light chop. .MONDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .TUESDAY...Southwest winds around 5 knots. Lake waters smooth. .TUESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...East winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ432-181900- Calcasieu Lake- 114 AM CDT Sat Oct 18 2025 .TODAY...Southeast winds 5 to 10 knots, becoming south 10 to 15 knots with gusts up to 20 knots this afternoon. Lake waters choppy. A slight chance of showers and thunderstorms this morning, then showers likely with a chance of thunderstorms this afternoon. .TONIGHT...South winds 10 to 15 knots with gusts up to 20 knots, becoming northwest after midnight. Lake waters choppy. A chance of showers and thunderstorms. .SUNDAY...North winds 15 to 20 knots with gusts up to 25 knots. Lake waters rough. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. .MONDAY...East winds around 10 knots, becoming southeast in the afternoon. Lake waters light chop. .MONDAY NIGHT...South winds 5 to 10 knots. Lake waters light chop. .TUESDAY...Southwest winds around 5 knots. Lake waters smooth. .TUESDAY NIGHT...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 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ435-181900- Vermilion and West Cote Blanche Bays- 114 AM CDT Sat Oct 18 2025 .TODAY...Southeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. A chance of showers this morning, then showers likely with a chance of thunderstorms this afternoon. .TONIGHT...South winds 10 to 15 knots, becoming west after midnight. Bay waters choppy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .SUNDAY...North winds 15 to 20 knots. Bay waters rough. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .MONDAY...East winds around 10 knots, becoming southeast in the afternoon. Bay waters light chop. .MONDAY NIGHT...South winds 5 to 10 knots. Bay waters light chop. .TUESDAY...Southwest winds around 5 knots. Bay waters smooth. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast after midnight. Bay waters light chop. .WEDNESDAY...Northeast winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ436-181900- Atchafalaya and East Cote Blanche Bays- 114 AM CDT Sat Oct 18 2025 .TODAY...Southeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots late this morning and afternoon. Bay waters choppy. A slight chance of showers this morning, then a chance of showers and thunderstorms this afternoon. .TONIGHT...South winds 10 to 15 knots, becoming west after midnight. Bay waters choppy. Showers likely. A chance of thunderstorms, mainly in the evening. .SUNDAY...North winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. A chance of showers with a slight chance of thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .MONDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Bay waters light chop. .MONDAY NIGHT...Southeast winds around 5 knots. Bay waters smooth. .TUESDAY...South winds around 5 knots, becoming west in the afternoon. Bay waters smooth. .TUESDAY NIGHT...Northwest 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...East winds 5 to 10 knots. Bay waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ450-181900- Coastal waters from Cameron LA to High Island TX out 20 NM- 114 AM CDT Sat Oct 18 2025 .TODAY...South winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A slight chance of thunderstorms this morning. A chance of showers. A chance of thunderstorms this afternoon. .TONIGHT...Southwest winds 10 to 15 knots, becoming west after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .SUNDAY...North winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: North 3 feet at 4 seconds. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 4 seconds. .MONDAY...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. .MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. .TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming northeast 10 to 15 knots after midnight. Seas around 2 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY NIGHT...East winds around 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ452-181900- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 114 AM CDT Sat Oct 18 2025 .TODAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: South 3 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms this morning, then showers likely with a chance of thunderstorms this afternoon. .TONIGHT...South winds 10 to 15 knots, becoming west after midnight. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers and thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .SUNDAY...North winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: Northwest 3 feet at 4 seconds and northeast 2 feet at 5 seconds. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: North 3 feet at 4 seconds. .MONDAY...East winds 10 to 15 knots, becoming southeast in the afternoon. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. .MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: South 2 feet at 3 seconds. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast 10 to 15 knots after midnight. Seas around 2 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ455-181900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 114 AM CDT Sat Oct 18 2025 .TODAY...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 3 seconds. A chance of showers. A slight chance of thunderstorms late this morning. A chance of thunderstorms this afternoon. .TONIGHT...South winds 10 to 15 knots, becoming west after midnight. Seas around 2 feet. Wave Detail: South 1 foot at 3 seconds. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .SUNDAY...Northwest winds 10 to 15 knots, becoming north 15 to 20 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 3 seconds. A slight chance of showers in the morning. .SUNDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: North 2 feet at 3 seconds. .MONDAY...East winds 10 to 15 knots, diminishing to 5 to 10 knots in the afternoon. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: East 2 feet at 3 seconds, becoming east 1 foot at 3 seconds. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. .TUESDAY...South winds around 5 knots, becoming west in the afternoon. Seas 1 foot or less. .TUESDAY NIGHT...Northwest winds 5 to 10 knots, becoming northeast after midnight. Seas 1 foot or less. .WEDNESDAY...Northeast winds 5 to 10 knots. Seas 1 to 2 feet. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less. Winds and seas higher in and near thunderstorms. $$ GMZ470-181900- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 114 AM CDT Sat Oct 18 2025 .TODAY...South winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms early this morning, then a chance of thunderstorms late this morning and afternoon. .TONIGHT...Southwest winds around 10 knots, becoming west after midnight. Seas 2 to 3 feet. Wave Detail: South 3 feet at 5 seconds. A slight chance of showers and thunderstorms. .SUNDAY...North winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet. Wave Detail: North 4 feet at 5 seconds. .SUNDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 5 seconds and southwest 1 foot at 5 seconds. .MONDAY...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. .MONDAY NIGHT...South winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds. .TUESDAY...Southwest winds 5 to 10 knots. Seas around 2 feet. .TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas around 2 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY NIGHT...East winds around 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ472-181900- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 114 AM CDT Sat Oct 18 2025 .TODAY...South winds 10 to 15 knots. Seas around 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms this morning, then showers likely with a chance of thunderstorms this afternoon. .TONIGHT...Southwest winds 10 to 15 knots, becoming west after midnight. Seas around 3 feet. Wave Detail: South 3 feet at 5 seconds. A chance of thunderstorms in the evening. A chance of showers. .SUNDAY...North winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 4 feet. Wave Detail: Northwest 4 feet at 5 seconds and east 3 feet at 6 seconds. A slight chance of showers in the morning. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: North 3 feet at 5 seconds. .MONDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. .MONDAY NIGHT...South winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 7 seconds. .TUESDAY...South winds 5 to 10 knots, becoming northwest in the afternoon. Seas around 2 feet. .TUESDAY NIGHT...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas around 2 feet. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY NIGHT...East winds around 10 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$ GMZ475-181900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 114 AM CDT Sat Oct 18 2025 .TODAY...Southeast winds 10 to 15 knots. Seas around 3 feet. Wave Detail: Southeast 3 feet at 5 seconds. A chance of showers this morning. A chance of thunderstorms. Showers likely this afternoon. .TONIGHT...South winds around 10 knots, becoming west after midnight. Seas around 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. .SUNDAY...North winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: Northwest 3 feet at 4 seconds and southeast 3 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms in the morning. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 5 seconds. .MONDAY...East winds 10 to 15 knots. Seas 2 to 4 feet. Wave Detail: East 4 feet at 7 seconds and northwest 1 foot at 5 seconds. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 7 seconds. .TUESDAY...South winds around 5 knots, becoming north in the afternoon. Seas around 2 feet. .TUESDAY NIGHT...Northeast winds 5 to 10 knots. Seas around 2 feet. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Winds and seas higher in and near thunderstorms. $$