Hawaiian Lifeguard Association
National Weather ServiceWeather Forecast Office - Honolulu, HI
County of HawaiʻiFire Department - Ocean Safety Division
City and County of HonoluluEmergency Services Department - Ocean Safety and Lifeguard Services Division
County of KauaʻiFire Department - Ocean Safety Bureau
County of MauiParks and Recreation - Aquatics Division
FOR IMMEDIATE RELEASE: Thursday, April 20, 2017 - 3:40pm HST
High Surf Advisory
Effective: Thursday, April 20, 2017 - 3:40pm to Friday, April 21, 2017 - 6:00pm
...HIGH SURF ADVISORY FOR WEST FACING SHORES OF OAHU...
.A LARGE NORTHWEST SWELL IS EXPECTED TO IMPACT THE ISLANDS THROUGH FRIDAY. SURF WILL BUILD THIS EVENING BEFORE PEAKING JUST ABOVE WARNING LEVEL FOR MOST NORTH AND WEST SHORES OF THE SMALLER ISLANDS LATE TONIGHT THROUGH EARLY FRIDAY MORNING. SURF WILL THEN SLOWLY DECLINE FRIDAY AND SATURDAY.
...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST FRIDAY...
* SURF...WEST FACING SHORES OF OAHU...12 TO 18 FEET TONIGHT AND FRIDAY.
* IMPACTS...MODERATE...EXPECT STRONG BREAKING WAVES, SHORE BREAK, AND STRONG LONGSHORE AND RIP CURRENTS MAKING SWIMMING DIFFICULT AND DANGEROUS.
A High Surf Advisory is issued when waves reach threshold criteria for a particular island and shoreline.
Unmonitored lands and waters in the impact area described in the alert will also be impacted.
If conditions change before expiration or the event needs to be extended, an update or cancellation will be issued from Hawaii Beach Safety Website.
** END NOTIFICATION ***