Updated: Wed Oct-17-18 01:16pm UTC
Effective: Wed Oct-17-18 01:16pm UTC
Expires: Thu Oct-18-18 04:00am UTC
Severity: Minor
Urgency: Expected
Certainty: Likely
Status: Actual
Type: Alert
Category: Met
Areas affected: Big Island North and East; Kauai Leeward; Kauai Windward; Maui Central Valley; Maui Windward West; Molokai Leeward; Molokai Windward; Niihau; Oahu Koolau; Oahu North Shore; Olomana; Waianae Coast; Windward Haleakala
Instructions: Large breaking surf, significant shorebreak, and dangerous
currents make entering the water very hazardous. Know your
limits; when in doubt, don`t go out.
Message Summary: ...high surf advisory for north and west facing shores of niihau
kauai oahu and molokai and for north facing shores of maui...
...high surf advisory for north facing shores of the big island...
.a large north-northwest swell will peak today, producing
dangerously high surf along exposed north and west facing shores
of most of the smaller islands. North facing shores of the big
island exposed to north-northwest swell will be affected as well.
Surf will gradually lower thursday through friday.
...high surf advisory remains in effect until 6 pm hst this
evening...
* surf...16 to 24 feet along north and west facing shores of
niihau and kauai, and along north facing shores of oahu. 15 to
20 feet along north facing shores of molokai and maui. 10 to 15
feet along west facing shores of oahu and molokai and along
north facing shores of the big island exposed to north-northwest
swell.
* timing...peaking today and decreasing through thursday and
friday.
* impacts...moderate...expect strong breaking waves, shore
break, and strong longshore and rip currents making swimming
difficult and dangerous.
