HONOLULU (HawaiiNewsNow) - The National Weather Service has extended a High Surf Advisory for north and west facing shores of Niihau, Kauai, Oahu and Molokai, north facing shores of Maui, and west facing shores of the Big Island until 6 p.m. Friday.
The first in a series of Northwest swells will build along exposed north and west facing shores of the state through the Tuesday and peak Tuesday night. Large reinforcing swells are expected on Thursday and again during the weekend, possibly requiring a High Surf Warning.
The High Surf Advisory remains in effect until 6 a.m. Friday.
- Surf: 10 to 15 feet along north facing Shores overnight, rising to 18 to 22 feet on Thursday. 8 to 12 feet along West facing shores overnight rising to 10 to 14 feet on Thursday. Surf on west shores of the Big Island will be 5 to 8 feet.
- Impacts: moderate, expect strong breaking waves, Shore break, and strong Longshore and Rip currents making swimming difficult and dangerous.