Tropical Storm Isaac made its closest approach to St. Croix Thursday night, passing nearly 200 miles to the south and having no apparent impact on the territory as it made its leisurely way across the Caribbean.
Isaac is moving toward the west near 17 miles per hour.
A NOAA Hurricane Hunter plane that investigated the oncoming Tropical Storm Isaac Wednesday evening and found that the system has weakened a bit, according to the National Weather Service.
Maximum sustained winds remain near 68 miles per hour with higher gusts.
Hurricane-force winds extend up to 80 miles from Florence's center, with tropical-storm-force winds out about 195 miles.
On Sunday alone there will be about two inches of rainfall.
"The deepest water will occur along the immediate coast in areas of onshore winds, where the surge will be accompanied by large and destructive waves. Swells generated by the storm could produce life-threatening surf and rip current conditions.
Puerto Rico, which is still recovering from a lethal blow by Maria last year, could see some rain and gusty wind, but nothing close to last year.
The National Hurricane Center said the storm's strength should continue through Thursday.
Helene is among a glut of tropical storms brewing in the region, with mass evacuations under way in southern USA states as Florence barrels across Virginia and the Carolinas.
Forecasters said that given the storm's size and sluggish track, it could cause epic damage akin to what the Houston area saw during Hurricane Harvey just over a year ago, with floodwaters swamping homes and businesses and washing over industrial waste sites and hog-manure ponds.
However, according to the latest projections, the storm might shift slightly to the south and affect Georgia with heavy rain and possible flooding. "There will be some rain but at the moment it doesn't look as though that's going to be the issue".
The probable path of Isaac as of Thursday morning.
The U.S. National Hurricane Center (NHC) provided the latest update on Hurricane Florence at 8 a.m. on September 12.
It's a detail that almost got lost among all the wind, rain and storm surge data sent out by the National Hurricane Center on Wednesday.