A large northwest swell has prompted the National Weather Service to issue a high surf warning until 6 p.m. Monday.

The warning covers the north and west facing shores of Niihau, Kauai, Oahu, Molokai and the north shores of Maui.

The swell is expected to continue eastward today, generating surf from 22 to 30 feet along the north and west shores of Kauai and Niihau and the north shores of Oahu, Molokai and Maui.

The west shores of Oahu and Molokai may see waves from 15 to 20 feet today.

The swell is anticipated to peak today and start subsiding tonight and continue through Monday.

In addition, a high surf advisory has been issued for the east-facing shores of Kauai, Oahu, Molokai, Maui, and the north and east facing shores of the Big Island.