Many Cubans waited in anguish Sunday as electricity on much of the island had yet to be restored days after an island-wide blackout. Their concerns were also raised as Hurricane Oscar made landfall in the southeastern Bahamas and was heading toward their country.

Cuba is suspending nonessential activities and school for the next three days as its fends off the twin threats of a grinding national blackout and Hurricane Oscar.

The center in Miami said the storm’s center arrived in the Cuban province of Guantanamo, near the city of Baracoa, on Sunday evening. Its maximum sustained winds were near 80 mph.