But forecasters warned that confidence in the storm's long-range track forecast "is quite low, and it is too early to determine exactly where and when Isaac will make landfall along the Gulf Coast."
"Further adjustments to the track may be necessary later today," wrote Senior Hurricane Specialist Michael Brennan in his 4 a.m. discussion message.
Much of southeast Louisiana remains within the "cone of uncertainty," which outlines the possible forecast track error.
The Slidell office of the National Weather Service is forecasting winds of 25 to 35 mph, with gusts of 50 mph, for the south shore of Lake Pontchartrain on Tuesday night and early Wednesday. Along the coast, the winds are expected to reach 35 to 40 mph, with gusts to 60, and likely increasing.
The crazed theocrat Dana Milbank hardest hit.