A very large northwest swell was expected to continue spreading down the island chain through early Tuesday, National Weather Service forecasters said. A high surf warning is posted for north-facing shores and a high surf advisory is posted for west-facing shores through 6 p.m. Tuesday.
A very large northwest swell was expected to continue spreading down the island chain through early Tuesday, National Weather Service forecasters said. A high surf warning is posted for north-facing shores and a high surf advisory is posted for west-facing shores through 6 p.m. Tuesday.
Wave heights of 20 to 30 feet are expected along exposed north-facing of the island’s northern and eastern coasts, forecasters said. Surf along west-facing shores of the Kona and Kohala coasts is expected to be between 6 to 10 feet.
The service categorized the warning-level surf’s impact as “extreme,” cautioning the public to expect ocean water surging over the shoreline creating the potential for significant damage to coastal properties and roadways. Large breaking waves may also affect harbor entrances and channels.
The service categorized the advisory-level surf’s impact as “moderate,” advising swimmers, surfers and beachgoers to heed all advice given by ocean safety officials.
Another large northwest swell is expected Wednesday through Thursday. Forecasters said the swell is expected to be from a more westerly direction.