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Hawaiian Lifeguard Association

on behalf of

National Weather Service

Weather Forecast Office - Honolulu, HI

County of Hawaiʻi

Fire Department - Ocean Safety Division

City and County of Honolulu

Emergency Services Department - Ocean Safety and Lifeguard Services Division

County of Kauaʻi

Fire Department - Ocean Safety Bureau

County of Maui

Parks and Recreation - Aquatics Division

FOR IMMEDIATE RELEASE: Wednesday, November 22, 2017 - 3:51pm HST

High Surf Warning

*** START NOTIFICATION ***

Effective: Wednesday, November 22, 2017 - 3:51pm to Friday, November 24, 2017 - 6:00am

Alert:
...HIGH SURF WARNING REMAINS IN EFFECT FOR NORTH AND EAST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI MAUI AND THE BIG ISLAND...

.A STRONG LOW PRESSURE SYSTEM OVER THE NORTHEAST PACIFIC OCEAN HAS GENERATED A LARGE NORTH SWELL WHICH WILL PEAK LATE TONIGHT INTO THANKSGIVING DAY...THEN SLOWLY DECLINE THURSDAY NIGHT AND FRIDAY.

...HIGH SURF WARNING REMAINS IN EFFECT UNTIL 6 AM HST FRIDAY...

* SURF...ALONG NORTH FACING SHORES BUILDING TO 25 TO 30 FEET WITH OCCASIONAL SETS TO 35 FEET ON OUTER REEFS...AND TO 10 TO 15 FEET ALONG EAST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI MAUI AND THE BIG ISLAND.

* TIMING...BUILDING RAPIDLY THIS EVENING...PEAKING LATE TONIGHT INTO THANKSGIVING DAY...THEN SLOWLY DECLINING THURSDAY NIGHT AND FRIDAY.

* IMPACTS...HIGH...EXPECT OCEAN WATER OCCASIONALLY SWEEPING ACROSS PORTIONS OF BEACHES...CREATING THE POTENTIAL FOR IMPACTS TO COASTAL PROPERTIES AND INFRASTRUCTURE...INCLUDING ROADWAYS. IN ADDITION...EXPECT VERY STRONG BREAKING WAVES... AND STRONG LONGSHORE AND RIP CURRENTS. BREAKING WAVES MAY OCCASIONALLY IMPACT HARBORS MAKING NAVIGATING THE HARBOR CHANNEL DANGEROUS.
Description:

A High Surf Warning is issued when waves reach threshold criteria for a particular island and shoreline. High Surf Warnings may be issued up to 24 hours ahead of the arrival of the swell and may remain in effect for several days.

Warning Instruction:
LARGE BREAKING SURF... SIGNIFICANT SHOREBREAK AND DANGEROUS CURRENTS MAKE ENTERING THE WATER VERY HAZARDOUS. ANYONE ENTERING THE WATER COULD FACE SIGNIFICANT INJURY OR DEATH.

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 ***

171
Alert Identifier: 6994
  • kauai
  • oahu
  • maui
  • hawaii