The areas affected include... Coastal waters from Port Fourchon Louisiana to Lower Atchafalaya River LA from 20 to 60 NM...
At 1042 AM CDT, Doppler radar indicated a strong thunderstorm, capable of producing winds to around 30 knots. This thunderstorm was located 28 nm south of Isle Derniers, moving southeast at 20 knots.
The strong thunderstorm will remain over mainly open waters.