It had maximum sustained winds of 130 miles per hour and moving at 12 miles per hour.
"While the official forecast track continues to lie to the south of the Hawaiian islands, only a slight deviation to the north of the forecast track would significantly increase potential impacts to the state of Hawaii", forecasters said, according to the Star Advertiser.
Hector is about 1360 miles (2190 kilometers) east of South Point, Hawaii, and is forecast to cross into the central Pacific by Sunday night or early Monday. Forecast models have Hector passing to the south of the Hawaiian islands between Wednesday and Thursday, according to KHON.
As of 5 a.m. today, the Category 4 storm was 925 miles east-southeast of Hilo packing maximum sustained winds of 145 mph with stronger gusts. On Friday, state officials warned residents and visitors to take precautions in case Hector gets closer to the island chain. "This remains a good time for everyone in the Hawaiian Islands to ensure they have their hurricane plan in place".
Hawaii Mayor Harry Kim said the area was preparing for Hector's arrival, with a briefing held Sunday at the Civil Defense Agency's Emergency Operations Center.
Some weather predictions show the storm on a course to collide with the Kilauea Volcano, which has been spewing lava into communities on the Big Island for three months.
Hurricane Hector updated satellite imagery as of 11 p.m. on Sunday, Aug. 5, 2018.
The current Kilauea lava flow, emanating from just one of about two dozen volcanic fissures that opened in the ground, has been going on for 93 days straight, marking the longest nonstop eruption on record from Kilauea's lower East Rift zone.
At least 700 homes have been destroyed, authorities estimate, and thousands of people have been displaced.