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Waves to ‘rapidly increase’ on Maui’s north, Molokai’s west sides

Waves outside Kahului Harbor are shown in this archive photo. The Maui News / MATTHEW THAYER photo

A high-surf advisory remained in effect until 6 tonight due to a large swell that will cause surf to “rapidly increase” along Maui’s north-facing shores and Molokai’s west-facing shores, according to the National Weather Service.

Waves of 15 to 20 feet Saturday were expected to build to 18 to 22 feet overnight and into early today for north-facing shores along Maui and other islands. Waves of 8 to 12 feet, becoming 10 to 14 feet over Saturday night, were anticipated for west-facing shores of Molokai and Oahu.

The weather service cautioned beachgoers, swimmers and surfers, who may experience difficult and dangerous swimming conditions due to strong shorebreak and powerful rip currents.