Forecasters say Hurricane Maria has weakened slightly and is now a Category 4 storm, but still extremely dangerous.
Maria is roaring past the eastern Caribbean island of Dominica as it heads towards Puerto Rico.
Forecasters are warning the ``potentially catastrophic'' Maria is on a path to hit some regions already slammed by hurricane Irma.
Meantime, hurricane Jose's slow crawl north is causing cloudy skies and rough seas in Nova Scotia.