The storm, which is now a Category 2, was initially not thought to be a land threat, swirling far from the American and European coastlines in the middle of the Atlantic.
He also said Ophelia has reached the location farthest east in the Atlantic to register a Category 3 storm. The Atlantic hurricane season, usually a bigger threat to the US, Mexico and Caribbean, has produced 15 named storms, including 10 consecutive hurricanes. Sixty people died in a plane crash in the Azores caused by Debbie. This phenomena, however, is rare.
The warning by the Irish Meteorological Service said: "Hurricane Ophelia is expected to transition to a post tropical storm as it approaches our shores on Monday bringing severe winds and stormy conditions".
Klopp questions United tactics while Mourinho rues stalemate
It's not that we play on different planets, it's not that they are really good and we don't find the entrance of the stadium. The gap to the leading Manchester clubs is already seven points, and defeat today would extend that to 10.
Seven of the nine islands that make up the Azores were placed on red alert by the regional civil protection services between 1800 GMT and 2400 GMT due to expected rainfall of 40 millimetres per hour.
With Ophelia becoming a major storm - Category 3 or higher - the 2017 season matches the six major hurricanes recorded by this time of the year in 1933, 1961, 1964 and 2004, according to Colorado State University meteorologist Philip Klotzbach.
Parts of the United Kingdom could also feel the effects of the winds early next week.