High surf warning extended for north, west-facing shores

High Surf North Shore

The National Weather Service in Honolulu has continued a high surf warning for north and west-facing shores of Molokai; and north-facing shores of Maui through 6 p.m. Monday.

A High Surf Warning indicates that dangerous, battering waves will pound the shoreline.  This will result in very dangerous swimming conditions, and deadly rip currents.

Effects:  A strong low far northwest of the main Hawaiian Islands has generated a large northwest swell which is producing dangerously large surf along exposed north and west facing shores of the islands. This warning will likely be extended beyond 6 p.m. later Monday.

Surf will initially diminish through today but will rise again as another swell arrives by tonight.  Surf is expected to reach 18 to 25 feet. Forecast surf heights are estimates of the height of the face or front of waves

Expect ocean water surging and sweeping across beaches, coastal benches and lava flows, creating the potential for impacts to coastal properties and infrastructure, including roadways.

Powerful longshore and rip currents will be present at most beaches.  Large breaking waves and strong currents may impact harbor entrances and channels, causing challenging boat handling.

Precautionary/preparedness actions: These dangerous conditions mean that only highly experienced persons should enter the water. inexperienced persons should remain off beaches and adjacent beachfront areas. Large breaking surf, significant shorebreak, and dangerous currents make entering the water very hazardous. anyone entering the water could face significant injury or death.

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