High surf forecast for Big Island shores

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A high surf advisory has been issued for south-facing Big Island shores, according to the National Weather Service in Honolulu. The advisory remains in effect until 10 a.m. Thursday.

A high surf advisory has been issued for south-facing Big Island shores, according to the National Weather Service in Honolulu. The advisory remains in effect until 10 a.m. Thursday.

The surf is being fueled by a low-pressure system in the southern hemisphere that generated a long period south swell that will be moving through Hawaiian waters over the next couple of days, forecasters said. Surf is expected to build Tuesday evening and peak on Wednesday before diminishing Thursday into Friday.

The service forecast waves ranging in height from 6 feet to 8 feet along the island’s Kona, southern, northern and eastern coastlines.

The service categorized the surf’s impact as “moderate,” noting that the public should expect strong breaking waves, shorebreak and longshore and rip currents that can make swimming difficult and dangerous. Beachgoers, swimmers and surfers are urged to heed all advice given by ocean safety officials.