Oahu Koolau Severe Watches & Warnings NOAA Weather Radio

Watches & Warnings

High Surf Warning
Issued: 3:42 AM HST Jan. 18, 2017 – National Weather Service

... High surf warning remains in effect from noon today to 6 am
HST Thursday...

* surf... along north and west facing shores of Niihau... Kauai and
Molokai... and north facing shores of Oahu and Maui... 20 to 25

* Timing... rising to warning levels on Kauai around noon... on Oahu
during the afternoon... and across Maui County during the

* Impacts... high... expect ocean water occasionally sweeping
across portions of beaches... very strong breaking waves and
strong longshore and rip currents. Breaking waves may
occasionally impact harbors making navigating The Harbor
channel dangerous.

Precautionary/preparedness actions...

Large breaking surf... significant shorebreak... and dangerous
currents make entering the water very hazardous. Anyone entering
the water could face significant injury or death. Boaters should
be aware of an increased number of surfers utilizing The Harbor
channel to access surfing areas.

Small Craft Advisory
Issued: 3:39 AM HST Jan. 18, 2017 – National Weather Service

... Small Craft Advisory remains in effect until 6 am HST

* seas... building to 10 to 13 feet later today and tonight...
mainly in west-northwest swell.

Precautionary/preparedness actions...

A Small Craft Advisory means that wind speeds of 25 to 33 knots
and/or seas 10 feet or greater are expected to produce conditions
hazardous to small craft. Inexperienced mariners... especially
those operating smaller vessels... should avoid navigating in
these conditions.