High Surf Advisory for Niihau; Kauai Southwest; Waianae Coast +16 more
Official alert fields
What you need to know
- Applies to
- Big Island South, Big Island Southeast, East Honolulu, Ewa Plain, Honolulu Metro, Kahoolawe, Kauai South, Kauai Southwest and 11 more
- Effective
- Ends or expires
- Official severity
- Minor
- Official urgency
- Expected
- Official certainty
- Likely
What is happening
What: Surf building to 8 to 12 feet by Thursday. Impacts: Moderate. Strong breaking waves and strong currents will make swimming dangerous. Where: South facing shores of Kahoolawe, Kauai, Lanai, Maui, Molokai, Niihau, Oahu and the Big Island. When: Until 6 AM HST Friday.
What the bulletin says to do
Heed all advice from ocean safety officials. When in doubt, don't go out.
Full official description
Bulletin details
...HIGH SURF ADVISORY FOR SOUTH FACING SHORES THROUGH THURSDAY NIGHT... .A new long-period south (190 degree) swell will steadily fill in tonight and peak on Thursday at advisory thresholds. Surf heights may linger at advisory thresholds through Friday. * WHAT...Surf building to 8 to 12 feet by Thursday. * WHERE...South facing shores of Kahoolawe, Kauai, Lanai, Maui, Molokai, Niihau, Oahu and the Big Island. * WHEN...Until 6 AM HST Friday. * IMPACTS...Moderate. Strong breaking waves and strong currents will make swimming dangerous.
Official geometry where available
Alert boundary
Lifecycle record
Official revisions
- Alert
High Surf Advisory issued August 12 at 3:40PM HST until August 14 at 6:00AM HST by NWS Honolulu HI
Official revision
Source and limitations
Publisher: Weather Alert Watch. Primary source: NWS Honolulu HI. This page reorganizes official fields and does not add a forecast or expand the affected area.
- CAP status
- Actual
- Message type
- Alert
- Last collected