Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
826 FZUS54 KLCH 030514 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1214 AM CDT Sun Aug 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. GMZ400-031800- 1214 AM CDT Sun Aug 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... With boundary situated over coastal waters, expect elevated rain chances to persist in the evenings and overnight hours. A trof moves into the northeast Gulf which will keep elevated rain chances for coastal waters into majority of the next work week. Outside of nearby showers and thunderstorms, wind and seas are forecast to remain low and offshore through the forecast time frame. $$ GMZ430-031800- Sabine Lake- 1214 AM CDT Sun Aug 3 2025 .TODAY...North winds around 5 knots, becoming southwest late. Lake waters smooth. A chance of showers and thunderstorms early this morning. A slight chance of showers and thunderstorms late this morning, then a chance of showers and thunderstorms this afternoon. .TONIGHT...South winds around 5 knots, becoming northwest after midnight. Lake waters smooth. .MONDAY...Northeast winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms. .MONDAY NIGHT...South winds around 5 knots, becoming northwest after midnight. Lake waters smooth. A slight chance of showers and thunderstorms. .TUESDAY...North winds around 5 knots, becoming southeast in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...South winds around 5 knots. Lake waters smooth. A slight chance of thunderstorms in the evening. A slight chance of showers. .WEDNESDAY...South winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...South winds around 5 knots. Lake waters smooth. .THURSDAY...Northwest winds around 5 knots, becoming south in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ432-031800- Calcasieu Lake- 1214 AM CDT Sun Aug 3 2025 .TODAY...North winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms early this morning, then a slight chance of showers and thunderstorms late this morning. A chance of showers and thunderstorms this afternoon. .TONIGHT...West winds around 5 knots, becoming north after midnight. Lake waters smooth. A slight chance of showers and thunderstorms in the evening. .MONDAY...Northeast winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms. .MONDAY NIGHT...South winds around 5 knots, becoming northwest after midnight. Lake waters smooth. A slight chance of showers and thunderstorms after midnight. .TUESDAY...North winds around 5 knots, becoming southeast in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .TUESDAY NIGHT...South winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms. .WEDNESDAY...Southeast winds around 5 knots. Lake waters smooth. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...South winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms after midnight. .THURSDAY...Northwest winds around 5 knots, becoming south in the afternoon. Lake waters smooth. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds around 5 knots. Lake waters smooth. A slight chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ435-031800- Vermilion and West Cote Blanche Bays- 1214 AM CDT Sun Aug 3 2025 .TODAY...North winds 5 to 10 knots, becoming northwest late. Bay waters light chop. A chance of showers and thunderstorms. .TONIGHT...Northwest winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms, mainly in the evening. .MONDAY...North winds around 5 knots, becoming northwest in the afternoon. Bay waters smooth. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. .MONDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .TUESDAY...Northwest winds around 5 knots, becoming south in the afternoon. Bay waters smooth. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .TUESDAY NIGHT...South winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...Northeast winds around 5 knots, becoming south in the afternoon. Bay waters smooth. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms. .THURSDAY...North winds around 5 knots, becoming southwest in the afternoon. Bay waters smooth. A chance of showers and thunderstorms in the morning, then showers and thunderstorms likely in the afternoon. .THURSDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ436-031800- Atchafalaya and East Cote Blanche Bays- 1214 AM CDT Sun Aug 3 2025 .TODAY...North winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms this morning, then showers and thunderstorms likely this afternoon. .TONIGHT...North winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .MONDAY...North winds around 5 knots, becoming west in the afternoon. Bay waters smooth. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds around 5 knots. Bay waters smooth. A chance of showers and thunderstorms. .TUESDAY...Northwest winds around 5 knots, becoming southwest in the afternoon. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .TUESDAY NIGHT...South winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...South winds around 5 knots. Bay waters smooth. Showers likely with a chance of thunderstorms. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...Northwest winds around 5 knots, becoming southwest around 5 knots in the afternoon. Bay waters smooth. Showers likely. A chance of thunderstorms in the morning, then thunderstorms likely in the afternoon. .THURSDAY NIGHT...Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and waves higher in and near thunderstorms. $$ GMZ450-031800- Coastal waters from Cameron LA to High Island TX out 20 NM- 1214 AM CDT Sun Aug 3 2025 .TODAY...North winds 5 to 10 knots, becoming southwest late. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Showers likely this morning. A chance of thunderstorms. A chance of showers this afternoon. .TONIGHT...Southwest winds around 5 knots, becoming northwest after midnight. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds. A slight chance of showers and thunderstorms after midnight. .MONDAY...Northeast winds 5 to 10 knots, becoming east in the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 3 seconds. A chance of showers and thunderstorms, mainly in the morning. .MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 2 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .TUESDAY...North winds 5 to 10 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 2 seconds and northwest 1 foot at 3 seconds. A chance of showers and thunderstorms. .TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY...South winds 5 to 10 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .WEDNESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. .THURSDAY...West winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less. A chance of showers and thunderstorms. .THURSDAY NIGHT...Southwest winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ452-031800- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1214 AM CDT Sun Aug 3 2025 .TODAY...North winds 5 to 10 knots, becoming northwest this afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. A chance of thunderstorms. Showers likely early this morning, then a chance of showers late this morning and afternoon. .TONIGHT...Northwest winds around 5 knots, becoming north after midnight. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 2 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .MONDAY...North winds 5 to 10 knots, becoming northwest in the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. Wave Detail: West 1 foot at 2 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .TUESDAY...Northwest winds around 5 knots, becoming south in the afternoon. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 2 seconds. A chance of showers and thunderstorms. .TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 2 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...South winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms after midnight. .THURSDAY...West winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ455-031800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1214 AM CDT Sun Aug 3 2025 .TODAY...North winds 5 to 10 knots, becoming northwest late. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A chance of thunderstorms this morning. Showers likely. Thunderstorms likely this afternoon. .TONIGHT...North winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .MONDAY...North winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms. .MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .TUESDAY...West winds around 5 knots, becoming southwest in the afternoon. Seas 1 foot or less. Showers and thunderstorms likely. .TUESDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...Southwest winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .THURSDAY...West winds around 5 knots. Seas 1 foot or less. Showers likely with a chance of thunderstorms. .THURSDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ470-031800- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1214 AM CDT Sun Aug 3 2025 .TODAY...North winds 5 to 10 knots, becoming northwest late. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Showers and thunderstorms likely this morning, then a chance of showers and thunderstorms early this afternoon. A slight chance of showers and thunderstorms late. .TONIGHT...West winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A chance of showers and thunderstorms after midnight. .MONDAY...North winds around 5 knots, becoming northeast in the afternoon. Seas 1 foot or less. Wave Detail: North 1 foot at 2 seconds. A chance of showers and thunderstorms, mainly in the morning. .MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds and southwest 1 foot at 3 seconds. A chance of showers with a slight chance of thunderstorms after midnight. .TUESDAY...Northwest winds around 5 knots, becoming east in the afternoon. Seas 1 foot or less. Wave Detail: Northeast 1 foot at 2 seconds and northwest 1 foot at 4 seconds. A chance of showers and thunderstorms. .TUESDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds. A slight chance of showers and thunderstorms after midnight. .WEDNESDAY...South winds around 5 knots. Seas 1 foot or less. A chance of showers. A chance of thunderstorms, mainly in the morning. .WEDNESDAY NIGHT...South winds around 5 knots. Seas 1 foot or less, then around 2 feet after midnight. A slight chance of showers and thunderstorms after midnight. .THURSDAY...Southwest winds around 5 knots. Seas around 2 feet in the morning, then 1 foot or less. A chance of showers and thunderstorms. .THURSDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-031800- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1214 AM CDT Sun Aug 3 2025 .TODAY...North winds 5 to 10 knots, becoming northwest late. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Showers and thunderstorms likely until late afternoon, then a slight chance of showers and thunderstorms late. .TONIGHT...Northwest winds around 5 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .MONDAY...North winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. A chance of showers and thunderstorms. .MONDAY NIGHT...East winds around 5 knots, becoming south after midnight. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .TUESDAY...Northwest winds around 5 knots, becoming southeast in the afternoon. Seas 1 foot or less. Wave Detail: West 1 foot at 3 seconds. A chance of thunderstorms. Showers likely, mainly in the morning. .TUESDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 2 seconds and southwest 1 foot at 3 seconds. A slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .WEDNESDAY...South winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms after midnight. .THURSDAY...West winds around 5 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .THURSDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ475-031800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1214 AM CDT Sun Aug 3 2025 .TODAY...North winds 5 to 10 knots, becoming northwest late. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. Showers and thunderstorms likely until late afternoon, then a chance of showers and thunderstorms late. .TONIGHT...Northwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Northwest 1 foot at 3 seconds. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .MONDAY...North winds around 5 knots. Seas 1 foot or less. Wave Detail: North 1 foot at 3 seconds. Showers and thunderstorms likely, mainly in the morning. .MONDAY NIGHT...South winds around 5 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 2 seconds and northwest 1 foot at 3 seconds. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .TUESDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 3 seconds. Showers with thunderstorms likely in the morning, then a chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...South winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: South 1 foot at 4 seconds. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. .WEDNESDAY...Southwest winds 5 to 10 knots. Seas 1 foot or less. A chance of thunderstorms. Showers likely, mainly in the morning. .WEDNESDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A chance of showers and thunderstorms after midnight. .THURSDAY...West winds around 5 knots. Seas 1 foot or less. Showers likely with a chance of thunderstorms. .THURSDAY NIGHT...Southwest winds around 5 knots. Seas 1 foot or less. A slight chance of showers and thunderstorms in the evening, then a chance of showers and thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$