At 5 p.m. EDT the storm was 295 miles east of the Windward Islands moving west at 22 mph, sporting maximum winds of 50 mph, the National Hurricane Center in Miami reported.
The center said the storm should be near the Windward Islands Friday.
A tropical storm watch had turned into a warning for Barbados, St. Vincent, the Grenadines, Dominica, St. Lucia, Martinique and Guadeloupe.
The center predicted 2 to 3 inches of rainfall across the Windward Islands Friday.
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