


Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
980 FZUS54 KLCH 050630 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 130 AM CDT Sun Oct 5 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. GMZ400-051900- 130 AM CDT Sun Oct 5 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... Wind and sea conditions will continue to be hazardous through the morning as high pressure expands from the east, increasing the pressure gradient along the boundary. Expect sustained east winds 20 to 25 knots with gusts to 30 knots and seas 4 to 7 feet today. Increasing rain and thunderstorm chances are also anticipated through the day as the boundary starts to lift north. Conditions should improve markedly through the afternoon and evening as winds diminish. However, small craft should continue to exercise caution. $$ GMZ430-051900- Sabine Lake- 130 AM CDT Sun Oct 5 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...Northeast winds 10 to 15 knots. Lake waters choppy. A slight chance of showers early this afternoon. A slight chance of showers and thunderstorms late. .TONIGHT...East winds 5 to 10 knots. Lake waters light chop. A chance of showers with a slight chance of thunderstorms early in the evening. A chance of showers after midnight. A slight chance of thunderstorms late. .MONDAY...East winds 5 to 10 knots, becoming southeast in the afternoon. Lake waters light chop. A chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers in the late evening and overnight. .TUESDAY...East winds around 5 knots. Lake waters smooth. A slight chance of showers. .TUESDAY NIGHT...Southeast winds around 5 knots, becoming northeast after midnight. Lake waters light chop. A slight chance of showers until early morning. .WEDNESDAY...Northeast winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms until early morning. .THURSDAY...Northeast winds 5 to 10 knots. Lake waters light chop. .THURSDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ432-051900- Calcasieu Lake- 130 AM CDT Sun Oct 5 2025 ...SMALL CRAFT EXERCISE CAUTION IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Lake waters choppy. A slight chance of showers early this morning. A chance of showers with a slight chance of thunderstorms this afternoon. .TONIGHT...East winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms early in the evening. A slight chance of showers after midnight, then a chance of showers with a slight chance of thunderstorms late. .MONDAY...Southeast winds 5 to 10 knots. Lake waters light chop. A chance of showers and thunderstorms. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Lake waters light chop. A chance of showers with a slight chance of thunderstorms early in the evening. A slight chance of showers after midnight. .TUESDAY...East winds around 5 knots. Lake waters smooth. A slight chance of showers. .TUESDAY NIGHT...Southeast winds around 5 knots, becoming northeast after midnight. Lake waters light chop. A slight chance of showers early in the evening. .WEDNESDAY...Northeast winds 5 to 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...Northeast winds around 10 knots. Lake waters light chop. A slight chance of showers and thunderstorms early in the evening. .THURSDAY...Northeast winds around 10 knots. Lake waters light chop. .THURSDAY NIGHT...East winds 5 to 10 knots. Lake waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ435-051900- Vermilion and West Cote Blanche Bays- 130 AM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...East winds 10 to 15 knots. Bay waters choppy. A chance of showers this morning. A chance of thunderstorms. Showers likely this afternoon. .TONIGHT...Southeast winds 10 to 15 knots. Bay waters choppy. A chance of thunderstorms. A chance of showers. .MONDAY...Southeast winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. A chance of showers with a slight chance of thunderstorms early in the evening. .TUESDAY...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms early in the evening. .WEDNESDAY...Northeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the evening. .THURSDAY...Northeast winds 10 to 15 knots. Bay waters choppy. .THURSDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ436-051900- Atchafalaya and East Cote Blanche Bays- 130 AM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... .TODAY...East winds 10 to 15 knots. Bay waters choppy. A chance of showers this morning. A chance of thunderstorms. Showers likely this afternoon. .TONIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .MONDAY...Southeast winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms. .MONDAY NIGHT...Southeast winds 5 to 10 knots, becoming east after midnight. Bay waters light chop. A chance of showers and thunderstorms early in the evening. A slight chance of showers after midnight. .TUESDAY...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers early in the morning. A slight chance of showers and thunderstorms in the afternoon. .TUESDAY NIGHT...East winds around 5 knots, becoming northeast after midnight. Bay waters light chop. A slight chance of showers and thunderstorms in the evening. .WEDNESDAY...Northeast winds 5 to 10 knots. Bay waters light chop. A chance of showers with a slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms until early morning. .THURSDAY...Northeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. Winds and waves higher in and near thunderstorms. $$ GMZ450-051900- Coastal waters from Cameron LA to High Island TX out 20 NM- 130 AM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 4 feet. Wave Detail: East 4 feet at 5 seconds. A slight chance of showers. A slight chance of thunderstorms this afternoon. .TONIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms. .MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A chance of thunderstorms in the morning. A chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers early in the evening. A slight chance of showers after midnight. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers. .TUESDAY NIGHT...Southeast winds 5 to 10 knots, becoming east 10 to 15 knots after midnight. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of showers. A slight chance of thunderstorms after midnight. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. .THURSDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms early in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ452-051900- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 130 AM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots this afternoon. Seas 2 to 4 feet. Wave Detail: East 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...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 4 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A chance of thunderstorms in the morning. A chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers early in the evening. A slight chance of showers after midnight. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...East winds 5 to 10 knots, increasing to 10 to 15 knots after midnight. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: East 2 feet at 4 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers and thunderstorms in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms until early morning. .THURSDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers and thunderstorms early in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ455-051900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 130 AM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM TO 10 AM CDT THIS MORNING... .TODAY...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds. A chance of thunderstorms. .TONIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 3 seconds. A chance of thunderstorms. .MONDAY...Southeast winds 5 to 10 knots. Seas around 2 feet in the morning, then 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. A chance of thunderstorms in the morning. A chance of showers. A slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: Southeast 1 foot at 3 seconds. A slight chance of thunderstorms early in the evening. A slight chance of showers. .TUESDAY...East winds 5 to 10 knots. Seas 1 foot or less. Wave Detail: East 1 foot at 3 seconds. A slight chance of showers and thunderstorms. .TUESDAY NIGHT...East winds 5 to 10 knots. Seas 1 foot or less, then around 2 feet after midnight. Wave Detail: East 1 foot at 3 seconds. A slight chance of thunderstorms until early morning. A slight chance of showers. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms early in the evening, then a slight chance of showers and thunderstorms in the late evening and early morning. .THURSDAY...East winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers and thunderstorms in the afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers and thunderstorms in the evening. Winds and seas higher in and near thunderstorms. $$ GMZ470-051900- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 130 AM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...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. A slight chance of thunderstorms. A chance of showers until late afternoon, then a slight chance of showers late. .TONIGHT...East winds 10 to 15 knots, becoming southeast after midnight. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms after midnight. .MONDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 4 seconds. A chance of showers with a slight chance of thunderstorms until late afternoon, then a slight chance of showers late. .MONDAY NIGHT...Southeast winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers early in the evening. A slight chance of showers after midnight. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 4 seconds. A slight chance of showers. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of showers until early morning. A slight chance of thunderstorms after midnight. A chance of showers late. .WEDNESDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. A slight chance of showers in the morning. A slight chance of thunderstorms until late afternoon. A chance of showers in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. A slight chance of thunderstorms. A chance of showers until early morning, then a slight chance of showers late. .THURSDAY...Northeast winds 15 to 20 knots. Seas 3 to 4 feet. A slight chance of thunderstorms. A slight chance of showers early in the morning, then a chance of showers in the late morning and afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. A slight chance of showers and thunderstorms early in the evening, then a slight chance of showers in the late evening and early morning. Winds and seas higher in and near thunderstorms. $$ GMZ472-051900- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 130 AM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH THIS EVENING... .TODAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots this afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 5 feet at 6 seconds. A chance of thunderstorms. Showers likely early this morning, then a chance of showers late this morning and afternoon. .TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 6 seconds. A chance of showers. A slight chance of thunderstorms in the evening, then a chance of thunderstorms after midnight. .MONDAY...South winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 2 feet at 6 seconds. A chance of showers with a slight chance of thunderstorms until late afternoon, then a slight chance of showers late. .MONDAY NIGHT...Southeast winds around 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 5 seconds. A slight chance of showers. .TUESDAY...East winds around 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of thunderstorms in the morning. A slight chance of showers. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas around 2 feet. Wave Detail: East 2 feet at 5 seconds. A slight chance of showers and thunderstorms. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers in the morning, then a chance of showers in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. A slight chance of thunderstorms. A chance of showers until early morning, then a slight chance of showers late. .THURSDAY...Northeast winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. A slight chance of showers and thunderstorms. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. A slight chance of thunderstorms early in the evening. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$ GMZ475-051900- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 130 AM CDT Sun Oct 5 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 7 AM CDT THIS MORNING... ...SMALL CRAFT EXERCISE CAUTION IN EFFECT FROM 7 AM TO 10 AM CDT THIS MORNING... .TODAY...Southeast winds 10 to 15 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: East 4 feet at 6 seconds. A chance of thunderstorms. Showers likely, mainly this morning. .TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 7 seconds. A chance of showers and thunderstorms. .MONDAY...Southeast winds 5 to 10 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of thunderstorms. A chance of showers until late afternoon, then a slight chance of showers late. .MONDAY NIGHT...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: Southeast 2 feet at 6 seconds. A slight chance of showers. .TUESDAY...East winds 5 to 10 knots. Seas around 2 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of thunderstorms until late afternoon. A slight chance of showers. .TUESDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: East 2 feet at 4 seconds. A slight chance of thunderstorms in the evening. A chance of showers until early morning, then a slight chance of showers late. .WEDNESDAY...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. .WEDNESDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 4 feet. A chance of showers with a slight chance of thunderstorms until early morning, then a slight chance of showers late. .THURSDAY...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. A slight chance of thunderstorms. A slight chance of showers until late afternoon, then a chance of showers late. .THURSDAY NIGHT...East winds 10 to 15 knots with gusts up to 20 knots. Seas 3 to 4 feet. A slight chance of thunderstorms early in the evening. A slight chance of showers. Winds and seas higher in and near thunderstorms. $$