# High Surf Warning: Niihau; Kauai Southwest; Kauai South — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/116fe3e7d89f0d20

[← sources](https://highsignal.app/data)


source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-09-07 15:51 ingested 2026-09-08 02:53

[original source ↗](http://www.weather.gov/)

## extract

High Surf Warning — Niihau; Kauai Southwest; Kauai South
Severity: Moderate. Certainty: Likely.
...HIGH SURF WARNING FOR SOUTH FACING SHORES OF ALL ISLANDS
THROUGH TUESDAY...
...HIGH SURF WARNING FOR WEST FACING SHORES OF BIG ISLAND THROUGH
TUESDAY...
...HIGH SURF ADVISORY FOR EAST FACING SHORES OF ALL ISLANDS
THROUGH TUESDAY...

.South-southwest swell from Hurricane Lowell will continue to build
rapidly, and peak tonight as it shifts out of the southwest. As a
result, warning level surf along south facing shores will continue
to rise, peaking overnight. Due to the track of Lowell west of
the main islands, a sharp gradient in swell is expected from west
to east. This will bring damaging surf to portions of Kauai County
and likely Oahu, with the potential for significant damage to
coastal properties and infrastructure, particularly to those areas
along the coasts of Kauai and Oahu exposed to the southerly swell.
The hurricane swell energy is expected to rapidly decline on
Tuesday as Lowell moves away from the islands.

A large, medium-period east swell from former Tropical Storm
Karina will combine with increasing east to southeast wind wave
generated by Hurricane Lowell to keep advisory level surf along
east facing shores through Tuesday.

* WHAT...Surf will continue to rapidly build to 20 to 30 feet,
peaking overnight.

* WHERE...South facing shores of Kauai and Niihau.

* WHEN...Until 6 PM HST Tuesday.

* IMPACTS...Extreme...Expect ocean water surging and sweeping
over beaches, coastal benches, and roadways, creating the
potential for significant damage to coastal properties and
infrastructure, including roadways. Coastal evacuations and
road closures are possible. Large breaking waves may affect
harbor entrances and channels with significant damage possible
to docks, piers, ramps, and boats.

* ADDITIONAL DETAILS...Vulnerable coastal roadways from Poipu to
Kekaha are susceptible to overwash, with Lawai Road at a
particular risk for overwash.

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.