(CNN) Two hurricanes, one of them a Category 3, are moving toward the Hawaiian islands -- one heading straight for the island chain and another tracking slightly south.

Hurricane Erick, the larger of the storms, is not expected to make landfall but parts of Hawaii could see increased wind gusts and rain as Erick slides south of the Big Island on Thursday.

It's expected to weaken to a tropical storm by then, CNN meteorologist Haley Brink said.

"Strong swells are expected to cause dangerous surf along the eastern and southern Hawaii coast over the next 48-72 hours but no coastal advisories are currently issued for the Hawaiian island chain," Brink said.

Maximum sustained winds stood at 130 mph, officials said.

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