* WHAT...Southwest winds 30 to 40 kt with gusts up to 55 kt and seas 8 to 13 ft.
* WHERE...Portions of the Gulf including Lake Borgne, Breton Sound, Chandeleur Sound.
* WHEN...Tropical Storm force winds possible until Wednesday afternoon.
* IMPACTS...Tropical storm force winds and hazardous seas will capsize or damage vessels and reduce visibility.