She said: "Looking at the models, majority tightly packed together and in consensus that Maria will follow along this path across Puerto Rico, maybe north of the Dominican Republic as we head into tomorrow, and then staying to the east of Florida".
Maria made landfall near the town of Yabucoa with maximum sustained winds of 155 miles per hour, according to the National Hurricane Center. Hurricane Maria battered Guadeloupe and Dominica on Monday.
According to CNN, Maria is the first storm of its strength to hit Puerto Rico in almost 80 years.
Maria is expected to produce more than 12 inches of rainfall, which will cause "life-threatening flash floods and mudslides" in Puerto Rico and the US Virgin Islands, the hurricane centre said.
Guadeloupe, which avoided the worst of Hurricane Irma, has been a staging ground for the regional aid response to that storm.
In its 11 a.m. advisory, Wednesday, the National Hurricane Center said Jose was located about 150 miles south of Nantucket, Mass., with maximum sustained winds of 70 mph.
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Carl Barnes, meteorologist with the National Weather Service in Charleston, said it's too early to pin down how Maria will affect the SC coast, but the forecast tracks look much better than Irma at this point.
The eye of Maria also moved over the islands of St. Croix and Vieques overnight, according to the hurricane center.
"We are very concerned", Rep. Jenniffer Gonzalez-Colon, R-Puerto Rico, said in an interview with CNBC's "Closing Bell" on Tuesday.
"We didn't have electricity for quite a bit, there's some that have no electricity yet", she said.
On Tuesday night, her family already was experiencing wind and rain, she said.
People fleeing from other storm-ravaged Caribbean islands have chosen to go to Puerto Rico, which has seen hundreds of shelters set up by authorities. "We haven't been able to get in touch for three days".
"So far we have lost all what money can buy and replace", Dominica Prime Minister Roosevelt Skerrit wrote in his last Facebook dispatch before falling silent as the country lost phone and Internet connections.