The Meteorological (Met) service of Jamaica says that at 4:00 pm Sunday the centre of Tropical Storm Bertha was located near Latitude 23.3 degrees North and Longitude 73.2 degrees west.
Bertha is moving toward the northwest at 30 km/h and a gradual turn toward the north-northwest is expected during the next 48 hours, the Met Service said.
On the forecast track, the centre of Bertha will pass east of the central Bahamas Sunday night.
Maximum sustained winds are near 75 km/h, with higher gusts. Some strengthening is expected over the next 48 hours.