Headline:
High Surf Advisory issued September 4 at 5:09AM HST until September 5 at 6:00AM HST by NWS Honolulu HI
Event:
High Surf Advisory
Urgency:
Expected
Effective:
September 4, 2026 - 8:09am
Expires:
September 4, 2026 - 8:30pm
Description:
...HIGH SURF ADVISORY FOR SOUTH AND EAST FACING SHORES THROUGH
SATURDAY MORNING...
.Swells from Hurricane Lowell are filling in and will remain
elevated above High Surf Advisory (HSA) conditions through
Saturday morning. A large, medium-period east swell from
Hurricane Karina is filling in and will continue though the
weekend, producing high end advisory level surf or warning level
surf along east facing shores. The HSA has been extended in time
and expanded to include east facing shores. Corrected overview
headline.
* WHAT...Large breaking waves building up to 7 to 10 feet along
east facing shores, and 8 to 12 feet along south facing shores
building up to 10 to 14 feet by Saturday.
* WHERE...South and east facing shores of Kahoolawe, Kauai,
Lanai, Maui, Molokai, Niihau, Oahu and the Big Island.
* WHEN...Until 6 AM HST Saturday.
* IMPACTS...Moderate. Strong breaking waves and strong currents
will make swimming dangerous.
Instruction:
Heed all advice from ocean safety officials. When in doubt, don't
go out.
Area Description:
Niihau; Kauai Southwest; Waianae Coast; Kahoolawe; Maui Leeward West; Kona; Kauai South; East Honolulu; Honolulu Metro; Ewa Plain; Molokai West; Molokai Leeward South; Lanai Leeward; Lanai South; Maui Central Valley South; South Maui/Upcountry; South Haleakala; Big Island South; Big Island Southeast
Forcast Office:
NWS Honolulu HI
Sender:
w-nws.webmaster@noaa.gov