A new tropical storm named 'Hidaya' formed on 1 May over the central Indian Ocean, north of Madagascar, Comoros and Mayotte (France), and started moving west toward eastern Tanzania. On 3 May at 0.00 UTC its centre was located offshore, approximately 500 km south-east of the area of Dar es Salaam city (the main city of Tanzania), with maximum sustained winds of 137 km/h (tropical cyclone).
On the forecast track, Hidaya is expected to continue moving northwestward over the ocean and continue strenghtening, passing by very close (without making the landfall) to the area of Dar es Salaam city between 4 May in the afternoon and 5 May very early in the morning (UTC), with maximum sustained winds of up to 75 km/h (tropical storm).
Very heavy rainfall, strong winds and storm surge are forecasted over eastern Tanzania for the period from 4 to 7 May.