Roslyn is expected to cause significant coastal flooding and damaging winds before making landfall on Sunday.
Hurricane Roslyn has strengthened to a Category 4 hurricane and is expected to strengthen as it reaches the Mexican coast, bringing high winds, high tides and flash flooding.
Maximum sustained winds increased to nearly 215kmph (130mph), and about 100-200mm (4-8 inches) of rain was forecast on the upper coast of Colima, Jalisco and western Nayarit.
The US National Hurricane Center (NHC) said preparations to protect lives and property “need to be completed urgently” for hurricane warning areas.
“Although some weakening may begin this evening, Roslyn is expected to remain near or at major hurricane intensity when it makes landfall on Sunday,” it said.
Officials in Nayarit, home to popular beach destinations such as Sayulita and Punta Mita, warned of flash floods and landslides caused by the storm.
“A dangerous high tide is expected to cause significant coastal flooding near and to the east of where the center makes landfall,” the NHC said.
Roslyn is forecast to make landfall near San Blas, a town with a population of about 40,000.
Usually every year between May and November, tropical cyclones make landfall in Mexico on both the Pacific and Atlantic coasts of the country.
In the May, AgathaThe first Pacific hurricane of the season, made landfall on the coast of the state of Oaxaca, killing 11 people.
In October 1997, Hurricane Pauline hit the Pacific coast of Mexico as a Category 4 hurricane, killing more than 200 people.
