from NOLA dot-com (Times-Picayune report from NOAA) -- as of 2 a.m. online posting
AT 1 a.m. CDT, Tropical Storm Isaac is moving toward the northwest at about 5 mph. This general motion is expected to continue today followed by a turn toward the North-Northwest by tonight or early Friday.
The maximum sustained winds are near 50 mph with higher gusts. The strongest winds are primarily occurring over water or near the coast. Steady weakening is expected during the next 48 hours as Isaac continues to move over land. Isaac should become a Tropical Depression by tonight.
Even though Isaac is no longer a hurricane, life threatening hazards from storm surge and inland flooding are still occurring. The combination of a storm surge and the tide will cause normally dry areas near the coast to be flooded by rising waters. The water could reach the following depths above ground if the peak surge occurs at the time of high tide.
The deepest water will occur along the immediate coast in areas of on shore winds. Surge related flooding depends on the relative timing of the surge and tidal cycle and can vary greatly over short distances. Near the coast, the surge will be accompanied by large and dangerous waves.
Isaac is expected to produce total rainfall amounts of 7 to 14 inches with possible isolated maximum amounts of 25 inches over much of Louisiana.
http://www.nola.com/hurricane/index.ssf/2012/08/tropical_storm_isaac_steadily.html
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