A high-surf warning is in effect for the north and west shores of most islands through 6 p.m. Sunday as a large northwest swell is expected to generate wave heights of up to 35 feet.

Dangerously large surf was forecast to peak overnight in waters off of Kauai, Oahu and Maui before slowly diminishing.

The National Weather Service expects surf of 25 t0 35 feet along north shores and 15 to 20 feel along west shores.

The public is cautioned to expect ocean water sweeping across beaches and coastal benches, which could impact coastal properties and infrastructure including roadways.

Powerful currents will be present at most beaches and breaking waves and strong currents could impact harbor entrances and channels.

According to the weather service. large breaking surf, significant shorebreak and dangerous currents will make entering the water very hazardous.

“Anyone entering the water could face death,” the weather service stated.

Another very large northwest swell is expected to arrive by Tuesday and peak on Wednesday.