Miami, Fl. (Florida News Network)-At 500 PM EDT, the center of Tropical Storm Isaias was located near latitude 19.5 North, longitude 70.6 West, about 250 miles southeast of the southeastern Bahamas.
Isaias is moving toward the northwest near 20 mph (31 km/h) and a northwestward motion with some decrease in forward speed is expected over the next couple of days.
On the forecast track, the center of Isaias will move near the Southeastern Bahamas by late tonight. Isaias is forecast to be near the Central Bahamas Friday night and move near or over the Northwest Bahamas and near South Florida on Saturday.
Maximum sustained winds are near 60 mph (95 km/h) with higher gusts. Strengthening is forecast during the next day or so, and Isaias is forecast to become a hurricane on Friday or Friday night.
Tropical-storm-force winds extend outward up to 240 miles (390 km) from the center.
The estimated minimum central pressure based on surface observations in the Dominican Republic is 999 mb (29.50 inches).
A Tropical Storm Warning is in effect for...
* Dominican Republic entire southern and northern coastlines
* North coast of Haiti from Le Mole St Nicholas eastward to the
northern border with the Dominican Republic
* Turks and Caicos Islands
* Southeastern Bahamas including the Acklins, Crooked Island, Long
Cay, the Inaguas, Mayaguana, and the Ragged Islands
* Central Bahamas, including Cat Island, the Exumas, Long Island,
Rum Cay, and San Salvador
* Northwestern Bahamas including Andros Island, New Providence,
Eleuthera, Abacos Islands, Berry Islands, Grand Bahamas Island, and
A Tropical Storm Watch is in effect for...
* East coast of Florida from Ocean Reef to Sebastian Inlet.
Graphic and Data credit:National Hurricane Center