Coastal Waters Forecast for Atchafalaya and East Cote Blanche Bays (GMZ436) (Text-Only)
NWS Forecast for: Atchafalaya and East Cote Blanche Bays (GMZ436)
Issued by: National Weather Service Lake Charles, LA
Last Update: 310 PM CDT Wed May 27 2026


Tonight: Southeast winds 5 to 10 knots. Bay waters light chop. A chance of showers.

Thursday: South winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms.

Thursday Night: South winds 5 to 10 knots. Bay waters light chop. A chance of showers and thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight.

Friday: Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms.

Friday Night: South winds around 5 knots. Bay waters smooth.

Saturday: Southwest winds around 5 knots. Bay waters smooth.

Saturday Night: Southwest winds around 5 knots. Bay waters smooth.

Sunday: Southwest winds around 5 knots. Bay waters smooth. A slight chance of showers and thunderstorms in the afternoon.

Sunday 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.

Monday: West winds around 5 knots. 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: West winds around 5 knots, becoming northwest after midnight. 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.







Zone Forecast: Atchafalaya and East Cote Blanche Bays (GMZ436)

Visit your local NWS office at: https://www.weather.gov/lch