Surf along the north-facing shores of O'ahu will be 4 to 6 feet today while all other shores will see surf of 2 to 4 feet, the National Weather Service said.

Outlook through Monday, Sept. 22: A new northwest swell will fill in during the today and peak early tomorrow before diminishing Friday and Saturday. Only small, short period northwest swells are expected to continue through the weekend into early next week.