Coastal Waters Forecast
Issued by NWS Lake Charles, LA
Issued by NWS Lake Charles, LA
576 FZUS54 KLCH 300501 CWFLCH Coastal Waters Forecast National Weather Service Lake Charles LA 1100 PM CST Sat Nov 29 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. GMZ400-301800- 1100 PM CST Sat Nov 29 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... Moderate onshore flow will give way to strong offshore flow as a cold front moves offshore Sunday afternoon. Along the front heavy rain and thunderstorms will reduce visibility with chaotic winds. Behind the front winds will quickly pick up and a Small Craft Advisory will be in effect through Monday afternoon for sustained winds over 20 knots. Gusts between 25 and 30 knots can`t be ruled out either. Combined seas will quickly rise with the winds peaking at 5 feet in the outer coastal waters on Monday. By Monday night winds and waves will both subside as the front washes out. $$ GMZ430-301800- Sabine Lake- 1100 PM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... .REST OF TONIGHT...Southeast winds 5 to 10 knots, becoming east late. Lake waters light chop. A chance of thunderstorms. A chance of showers late this evening, then showers. .SUNDAY...Northeast winds 10 to 15 knots with gusts up to 25 knots. Lake waters choppy. Showers with a slight chance of thunderstorms in the morning, then a chance of showers in the afternoon. Patchy fog. .SUNDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Lake waters rough. A chance of showers. .MONDAY...Northeast winds 10 to 15 knots. Lake waters choppy. A slight chance of thunderstorms. Showers. .MONDAY NIGHT...North winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Lake waters rough. Showers likely, mainly in the evening. .TUESDAY...North winds 15 to 20 knots, diminishing to around 10 knots in the afternoon. Lake waters rough. .TUESDAY NIGHT...Northeast winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY...East winds 5 to 10 knots. Lake waters light chop. .WEDNESDAY NIGHT...East winds around 10 knots. Lake waters light chop. A chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. .THURSDAY...Northeast winds 10 to 15 knots. Lake waters choppy. Showers likely with a chance of thunderstorms. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. Showers likely. Winds and waves higher in and near thunderstorms. $$ GMZ432-301800- Calcasieu Lake- 1100 PM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... .REST OF TONIGHT...Southeast winds around 10 knots, becoming east late. Lake waters light chop. A chance of thunderstorms. A chance of showers late this evening, then showers. .SUNDAY...Northeast winds 10 to 15 knots, increasing to 15 to 20 knots in the afternoon. Lake waters rough. Showers with a chance of thunderstorms in the morning, then a chance of showers in the afternoon. Patchy fog. .SUNDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Lake waters rough. A chance of showers. .MONDAY...Northeast winds 10 to 15 knots. Lake waters choppy. A slight chance of thunderstorms. Showers. .MONDAY NIGHT...North winds 10 to 15 knots, increasing to 15 to 20 knots after midnight. Lake waters rough. Showers, mainly in the evening. .TUESDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Lake waters rough. .TUESDAY NIGHT...Northeast winds around 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. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .THURSDAY...Northeast winds 10 to 15 knots. Lake waters choppy. Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Lake waters choppy. Showers likely. Winds and waves higher in and near thunderstorms. $$ GMZ435-301800- Vermilion and West Cote Blanche Bays- 1100 PM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... .REST OF TONIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers. A chance of showers with a slight chance of thunderstorms late. .SUNDAY...Northeast winds 5 to 10 knots, increasing to 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay waters choppy. A slight chance of thunderstorms in the morning. Showers likely. Patchy fog. .SUNDAY NIGHT...Northeast winds 15 to 20 knots, diminishing to 10 to 15 knots after midnight. Bay waters rough. A chance of showers, mainly in the evening. .MONDAY...Northeast winds 10 to 15 knots. Bay waters choppy. A slight chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .MONDAY NIGHT...Northeast winds 10 to 15 knots, becoming north 15 to 20 knots after midnight. Bay waters rough. Showers. .TUESDAY...North winds 15 to 20 knots. Bay waters rough. A slight chance of showers in the morning. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. .WEDNESDAY...East winds 5 to 10 knots. Bay waters light chop. .WEDNESDAY NIGHT...East winds 5 to 10 knots. Bay waters light chop. A slight chance of thunderstorms. A chance of showers. .THURSDAY...Northeast winds 10 to 15 knots. Bay waters choppy. Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...Northeast winds 10 to 15 knots. Bay waters choppy. A slight chance of thunderstorms in the evening. Showers likely. Winds and waves higher in and near thunderstorms. $$ GMZ436-301800- Atchafalaya and East Cote Blanche Bays- 1100 PM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... .REST OF TONIGHT...Southeast winds 5 to 10 knots. Bay waters light chop. A slight chance of showers. .SUNDAY...East winds 5 to 10 knots, becoming northeast 10 to 15 knots with gusts up to 20 knots in the afternoon. Bay waters choppy. Showers likely. .SUNDAY NIGHT...Northeast winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. A chance of showers, mainly in the evening. .MONDAY...Northeast winds 10 to 15 knots. Bay waters choppy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. .MONDAY NIGHT...Northeast winds 5 to 10 knots, becoming north 10 to 15 knots with gusts up to 20 knots after midnight. Bay waters choppy. Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. .TUESDAY...North winds 10 to 15 knots with gusts up to 20 knots. Bay waters choppy. A slight chance of showers in the morning. .TUESDAY NIGHT...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 slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. .THURSDAY...East winds around 10 knots. Bay waters light chop. Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots. Bay waters choppy. A slight chance of thunderstorms in the evening. Showers likely. Winds and waves higher in and near thunderstorms. $$ GMZ450-301800- Coastal waters from Cameron LA to High Island TX out 20 NM- 1100 PM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... .REST OF TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A chance of thunderstorms. A chance of showers late this evening, then showers late. .SUNDAY...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 2 to 4 feet. Wave Detail: Northeast 4 feet at 4 seconds and south 2 feet at 5 seconds. Showers with a chance of thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Patchy fog. .SUNDAY NIGHT...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 2 to 4 feet. Wave Detail: Northeast 4 feet at 5 seconds. A chance of showers. A slight chance of thunderstorms after midnight. .MONDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: East 3 feet at 5 seconds. A slight chance of thunderstorms. Showers. .MONDAY NIGHT...North winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds. Showers, mainly in the evening. .TUESDAY...North winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: North 3 feet at 3 seconds and southeast 1 foot at 7 seconds. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. .THURSDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A chance of thunderstorms. Showers. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. A slight chance of thunderstorms in the evening. Showers likely. Winds and seas higher in and near thunderstorms. $$ GMZ452-301800- Coastal waters from Intracoastal City to Cameron LA out 20 NM- 1100 PM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... .REST OF TONIGHT...Southeast winds 10 to 15 knots with gusts up to 20 knots. Seas 2 to 3 feet. Wave Detail: South 2 feet at 5 seconds. A chance of showers with a slight chance of thunderstorms late this evening. Showers likely with a chance of thunderstorms. .SUNDAY...Northeast winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds and south 2 feet at 5 seconds. Showers with a chance of thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Patchy fog. .SUNDAY NIGHT...Northeast winds 20 to 25 knots, diminishing to 15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds and south 1 foot at 5 seconds. A chance of showers. .MONDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 3 feet at 4 seconds. A slight chance of thunderstorms. Showers. .MONDAY NIGHT...North winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave Detail: North 3 feet at 4 seconds and southeast 1 foot at 5 seconds. Showers. .TUESDAY...North winds 15 to 20 knots with gusts up to 25 knots. Seas 2 to 3 feet. Wave Detail: North 3 feet at 4 seconds and southeast 1 foot at 7 seconds. A slight chance of showers in the morning. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .THURSDAY...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. A slight chance of thunderstorms in the evening. Showers likely. Winds and seas higher in and near thunderstorms. $$ GMZ455-301800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA out 20 NM- 1100 PM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... .REST OF TONIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. Wave Detail: Southeast 1 foot at 3 seconds. A slight chance of showers and thunderstorms late. .SUNDAY...East winds around 10 knots, becoming northeast with gusts up to 20 knots in the afternoon. Seas around 2 feet. Wave Detail: Northeast 2 feet at 3 seconds. Showers likely with a slight chance of thunderstorms. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds. A chance of showers. .MONDAY...Northeast winds 15 to 20 knots, becoming east 10 to 15 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: East 2 feet at 3 seconds. A slight chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. .MONDAY NIGHT...Northeast winds 10 to 15 knots, becoming north 15 to 20 knots after midnight. Seas 2 to 3 feet. Wave Detail: Northeast 2 feet at 3 seconds and northwest 2 feet at 3 seconds. Showers. .TUESDAY...North winds 15 to 20 knots. Seas 2 to 3 feet. Wave Detail: Northwest 2 feet at 3 seconds. A slight chance of showers in the morning. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas around 2 feet. .WEDNESDAY...East winds around 10 knots. Seas around 2 feet. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas around 2 feet. A slight chance of thunderstorms. A chance of showers. .THURSDAY...East winds 10 to 15 knots. Seas around 2 feet. Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...East winds 10 to 15 knots. Seas 2 to 3 feet. Showers likely with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ470-301800- Coastal waters from Cameron LA to High Island TX from 20 to 60 NM- 1100 PM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... .REST OF TONIGHT...South winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A chance of thunderstorms. A chance of showers late this evening, then showers likely late. .SUNDAY...Northeast winds 15 to 20 knots, increasing to 20 to 25 knots in the afternoon. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 5 seconds and south 3 feet at 6 seconds. Showers with a chance of thunderstorms in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Patchy fog in the afternoon. .SUNDAY NIGHT...Northeast winds 20 to 25 knots. Seas 4 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 5 feet at 6 seconds and south 1 foot at 6 seconds. Showers likely. A slight chance of thunderstorms after midnight. .MONDAY...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. Showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. .MONDAY NIGHT...North winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northeast 4 feet at 5 seconds. Showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. .TUESDAY...North winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 5 seconds and southeast 2 feet at 7 seconds. A slight chance of showers in the morning. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 3 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas 2 to 3 feet. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. .THURSDAY...East winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. A chance of thunderstorms. Showers. .THURSDAY NIGHT...Northeast winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. Winds and seas higher in and near thunderstorms. $$ GMZ472-301800- Coastal waters from Intracoastal City to Cameron LA from 20 to 60 NM- 1100 PM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... .REST OF TONIGHT...Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave Detail: South 3 feet at 6 seconds. A slight chance of showers and thunderstorms late this evening, then a chance of showers and thunderstorms late. .SUNDAY...East winds 10 to 15 knots, becoming northeast 15 to 20 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: Northeast 4 feet at 5 seconds and south 2 feet at 6 seconds. Showers. A chance of thunderstorms, mainly in the morning. .SUNDAY NIGHT...Northeast winds 20 to 25 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds and southwest 1 foot at 6 seconds. Showers likely, mainly in the evening. .MONDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. A slight chance of thunderstorms. Showers. .MONDAY NIGHT...North winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 4 feet at 5 seconds and southeast 4 feet at 7 seconds. Showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. .TUESDAY...North winds 15 to 20 knots with gusts up to 25 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: North 5 feet at 5 seconds and southeast 3 feet at 7 seconds. A slight chance of showers in the morning. .TUESDAY NIGHT...Northeast winds around 15 knots, becoming east after midnight. Seas 2 to 3 feet. .WEDNESDAY...East winds 10 to 15 knots. Seas around 2 feet. A slight chance of showers in the afternoon. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely with a chance of thunderstorms after midnight. .THURSDAY...East winds 15 to 20 knots. Seas 3 to 4 feet. Showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...East winds 15 to 20 knots. Seas 3 to 4 feet. Showers likely with a slight chance of thunderstorms. Winds and seas higher in and near thunderstorms. $$ GMZ475-301800- Coastal waters from Lower Atchafalaya River to Intracoastal City LA from 20 to 60 NM- 1100 PM CST Sat Nov 29 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY AFTERNOON THROUGH MONDAY MORNING... .REST OF TONIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds. A slight chance of showers and thunderstorms late. .SUNDAY...Southeast winds around 10 knots, becoming northeast with gusts up to 20 knots in the afternoon. Seas 2 to 3 feet. Wave Detail: Southeast 3 feet at 6 seconds and northeast 2 feet at 3 seconds. A chance of showers. A chance of thunderstorms in the afternoon. .SUNDAY NIGHT...Northeast winds 15 to 20 knots. Seas 2 to 4 feet. Wave Detail: East 4 feet at 6 seconds and southwest 1 foot at 6 seconds. A chance of showers. .MONDAY...East winds 15 to 20 knots, diminishing to 10 to 15 knots in the afternoon. Seas 3 to 4 feet. Wave Detail: East 4 feet at 6 seconds. A slight chance of thunderstorms. Showers. .MONDAY NIGHT...Northeast winds 10 to 15 knots, becoming north 15 to 20 knots after midnight. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: West 4 feet at 4 seconds and southeast 4 feet at 7 seconds. Showers. .TUESDAY...North winds 15 to 20 knots. Seas 3 to 5 feet, occasionally to 6 feet. Wave Detail: Northwest 4 feet at 5 seconds and southeast 3 feet at 7 seconds. A chance of showers in the morning. .TUESDAY NIGHT...Northeast winds 10 to 15 knots. Seas 2 to 4 feet. .WEDNESDAY...East winds around 10 knots. Seas around 2 feet. .WEDNESDAY NIGHT...Southeast winds 10 to 15 knots. Seas 2 to 3 feet. A chance of showers with a slight chance of thunderstorms. .THURSDAY...East winds around 15 knots. Seas 2 to 4 feet. Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. .THURSDAY NIGHT...East winds around 15 knots. Seas 3 to 4 feet. Showers likely with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Winds and seas higher in and near thunderstorms. $$