Reporting David Bernard
MIAMI (CBSMiami) – While its strengthening is expected to be slow, South Florida residents should continue monitoring the progress of Tropical Storm Isaac.
At 11 p.m., the center of the storm was located about 270 miles southeast of San Juan, Puerto Rico. The storm had maximum sustained winds of 45 mph with some higher gusts. It was moving to the west at 20 mph.
A Hurricane Warning has been issued for the southern coast of the Dominican Republic from Isla Saona westward to the Haiti-Dominican Republic southern border and Haiti
A Hurricane Watch has been issued for all of Haiti, Puerto Rico, Vieques, Culebra, the U.S. Virgin Islands and the south coast of the Dominican Republic from Isla Saona west to the Haiti-Dominican Republic southern border, and the British Virgin Islands.
A Tropical Storm Warning is in effect for (in alphabetical order): Anguilla, Antigua, Barbuda, the British Virgin Islands, Culebra, Dominica, Montserrat, Puerto Rico, Saba, St. Eustatius, St. Kitts and Nevis, the U.S. Virgin Islands and Vieques. A warning was also issued for the north coast of the Dominican Republic from the Haiti-Dominican Republic northern border eastward to north of Isla Saona
A Tropical Storm Watch is in effect for southeastern Bahamas including the Acklins, Crooked Island, Long Cay, the Inaguas, Mayaguana, the Ragged Islands and the Turks and Caicos Islands.
Forecasters at the National Hurricane Center said the system should move through the Leeward Islands Wednesday evening, pass near or south of the Virgin Islands and Puerto Rico on Thursday and approach the Dominican Republic Thursday night and Friday.
Isaac could become a Category 1 hurricane by Thursday night or Friday.
The storm could drop as much as eight inches of rain over the Northern Windward Islands and the Leeward Islands. Puerto Rico and the Virgin Islands could see up to three inches of rain.
Visit the CBS4 Tropics Page for an interactive Tropical Tracker, the newest computer model tracks and more.