The storm has intensified quickly since becoming a hurricane Sunday and has been fueled by warm waters far offshore, the U.S. National Hurricane Center in Miami said.
While Karina was expected to stay well away from land, swells from the storm were likely to cause dangerous surf and rip current conditions along parts of southwest Mexico and the Baja California Peninsula, the hurricane center said.
The death toll from the Trump administration's nearly yearlong campaign of bombing boats off Latin America's Caribbean coast and in the eastern Pacific now exceeds 210 after more than 60 strikes.