If Maria retains its strength, it would be the most powerful hurricane to hit Puerto Rico in 85 years, since a Category 4 storm swept the USA island territory in 1932, NHC spokesman Dennis Feltgen said, according to Reuters.
It was expected to be "an extremely unsafe Category 4 or 5 hurricane" as it bears down on the Virgin Islands and Puerto Rico.
Another hurricane, Jose, is also active in the Atlantic and has triggered tropical storm warnings for the northeastern United States. "Interests in these areas should monitor the progress of Maria and follow any advice given by local officials", the warning concludes. It had maximum sustained winds of 75 miles per hour (120 kph).
Hurricane Maria has already caused major devastation on the Caribbean island of Dominica. Some fluctuations in intensity are likely during the next day or two, but Maria is forecast to remain an extremely unsafe hurricane while it approaches the Virgin Islands and Puerto Rico.
The latest forecast says Maria is expected to be "an extremely unsafe major hurricane during the next couple of days".
Kryie Irving Sits Down With ESPN's First Take, Exquisitely Roasts Max Kellerman
The Cavs then reached the NBA Finals in three consecutive years against the Golden State Warriors, winning the title in 2016. Smith asked Irving why he didn't tell James about wanting out. "I was just very patient in my approach", Irving replied.
It was downgraded to a category four hurricane early on Tuesday, but the NHC said it still remained an "extremely unsafe hurricane" as it approached Puerto Rico and the US Virgin Islands.
Martinique, a French island south of Dominica, suffered power outages but avoided major damage.
In preparation, President Donald Trump already approved emergency declarations for both Puerto Rico and the U.S.
VA-TF2 just returned from Puerto Rico to help with relief efforts and storms ravaged much of the Caribbean.
Central and southern Leeward Islands - 10 to 15 inches, isolated 20 inches. "This much water in Dominica is risky".
First Coast Storm Experts have their eyes on the tropics and are reminding folks of the First Coast to always remain prepared during hurricane season.
Soldiers from the 602nd Area Support Medical Company and other Army personnel board a Navy landing craft during their evacuation in advance of Hurricane Maria, in Charlotte Amalie, St. Thomas, U.S. Virgin Islands.