Barbados is now under a tropical storm warning.
In an advisory, the Barbados Meteorological Services said the area of low-pressure east of the island has been upgraded to Potential Tropical Cyclone #9.
At 11 a.m., the centre of the system was located near 13.1 degrees North, 54.1 degrees west or about 365 miles east of Barbados.
The system is moving westward at 17 miles per hour and on that track, the centre is expected to pass near or over the island early tomorrow morning.
Maximum sustained winds are near 35 miles per hours with higher gusts.
The Met Office says Barbadians can expect moderate to heavy showers, thunderstorms and gusty winds to spread across island from tonight into tomorrow.
A small craft warning will also take effect from 6 p.m. The system is expected to generate large easterly swells of at least 2.5 to 3.0 metres (8 to 10 feet).
The forecasters warn that some flooding is likely in low-lying areas and they have urged residents to be alert and take all necessary precautions.
The next weather bulletin will be issued at 2 p.m.