High Surf Advisory issued September 4 at 5:09AM HST until September 5 at 6:00AM HST by NWS Honolulu HI
...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 Kauai, Oahu, Molokai,
Maui, and Big Island.
* WHEN...Until 6 AM HST Saturday.
* IMPACTS...Moderate. Strong breaking waves and strong currents
will make swimming dangerous.
Weather service severity: Minor. Notice expires Sep 4, 2026 · 5:30 PM HST. This is the notice’s expiry, not a promise that conditions will be safe.
Area: 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
NWS Honolulu HI · Issued Sep 4 · 5:09 AM HST
This saved notice has reached its expiry time. Check the official source.
What the weather service says to do
Heed all advice from ocean safety officials. When in doubt, don't
go out.
High Surf Advisory issued September 4 at 5:09AM HST until September 5 at 6:00AM HST by NWS Honolulu HI
...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.
Weather service severity: Minor. Notice expires Sep 4, 2026 · 5:30 PM HST. This is the notice’s expiry, not a promise that conditions will be safe.
High Surf Advisory issued September 4 at 4:26AM HST until September 5 at 6:00AM HST by NWS Honolulu HI
...HIGH SURF ADVISORY FOR SOUTH AND EAST FACING SHORES THROUGH
FRIDAY AFTERNOON...
.Swells from Hurricane Lowell are filling in and will remain
elevated above High Surf Advisory (HSA) conditions through
Saturday. 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.
* 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 Kauai, Oahu, Molokai,
Maui, and Big Island.
* WHEN...Until 6 AM HST Saturday.
* IMPACTS...Moderate. Strong breaking waves and strong currents
will make swimming dangerous.
Weather service severity: Minor. Notice expires Sep 4, 2026 · 5:30 PM HST. This is the notice’s expiry, not a promise that conditions will be safe.
Hurricane Lowell