Update: High surf advisory canceled for Kaua‘i County
Updated Thursday at 3:43 p.m.: Surf heights along Kaua‘i have decreased below advisory threshold. Therefore the High Surf Advisory for these areas is canceled.
Updated Wednesday at 4:38 p.m.: The National Weather Service in Honolulu canceled the high surf warning and extended a high surf advisory till 6 a.m. Thursday.
The large northwest to north-northwest swell has gradually lowered today with surf now below high surf warning thresholds. Advisory level surf is expected to hold through tonight for most north- and west-facing shores of the smaller islands as well as west-facing shores of the Big Island.
Surf of 18 to 24 feet along north-facing shores and 12 to 16 feet along west-facing shores.
Advisory level surf may linger into Thursday for exposed shorelines of the smaller islands, but should drop below advisory thresholds by the evening statewide.
Oceangoers should expect strong-breaking waves and strong currents, which will make swimming dangerous.
Original post: The National Weather Service has issued a High Surf Warning for Kaua‘i County.
The first large northwest swell of the season will rapidly build on Tuesday and peak late Tuesday through Wednesday along north and west facing shores.
The High Surf Warning is in effect from 6 a.m. Tuesday through 6 p.m. Wednesday. Expect very strong breaking waves and powerful currents. Waves breaking in channel entrances may make navigating the channels dangerous.
Stay away from the shoreline along the affected coasts. Be prepared for road closures. Postpone entering or leaving channels affected by the high surf until the surf subsides.