High Surf Advisory
NWS Honolulu HI ยท US
Details
High Surf Advisory Remains In Effect Until 6 PM HST Sunday
- Event
- High Surf Advisory
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Minor
- Certainty
- Likely
- Response
- Avoid
Description
Overview
...HIGH SURF WARNING IN EFFECT FOR SOUTHEAST FACING SHORES OF THE BIG ISLAND THROUGH SATURDAY NIGHT... ...HIGH SURF ADVISORY IN EFFECT FOR EAST FACING SHORES OF KAUAI, OAHU, MOLOKAI, MAUI, AND THE BIG ISLAND THROUGH SUNDAY... .Hurricane Nolo is generating swell that is producing warning level surf along southeast facing shores of the Big Island. This swell combined with strengthening trades is producing advisory level surf along east facing shores of the Big Island, Maui, Molokai, Oahu and Kauai that will maintain tonight and then begin to diminish on Sunday as Nolo moves westward away from the islands.
What
Large breaking waves of 9 to 12 ft today, becoming 10 to 14 ft tonight.
Where
East facing shores of Kauai and Oahu.
When
Until 6 PM HST Sunday.
Impacts
Moderate. Strong breaking waves and strong currents will make swimming dangerous.
Instructions
Heed all advice from ocean safety officials. When in doubt, don't go out.
Affected areas
- Olomana
- Kauai East
- Kauai South
- Koolau Windward
Public contact
- Issuer
- NWS Honolulu HI
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~34s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M3FZB9ZAGDB5NZ0BPZZSBDH5
- Identifier
- urn:oid:2.49.0.1.840.0.1faab60b5a0f6ef23a830207fc719c4804d80d32.004.1
- Sender
- w-nws.webmaster@noaa.gov
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Honolulu HI
- AWIPS ID
- CAPHFO
- NWWS sequence
- nwws_processor.7760
- WMO heading
- XOHW50
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- Hawaiian Islands (HW)
- WMO bulletin number
- 50
References
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Sender
- w-nws.webmaster@noaa.gov
- Sent
- Sender
- w-nws.webmaster@noaa.gov
- Sent
Event codes
| Name | Value |
|---|---|
| SAME | NWS |
| NationalWeatherService | SUY |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | CFWHFO |
| WMOidentifier | WHHW40 PHFO 262303 |
| NWSheadline | HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST SUNDAY |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.CON.PHFO.SU.Y.0039.000000T0000Z-260928T0400Z/ |
| eventEndingTime | 2026-09-27T18:00:00-10:00 |
| BLOCKCHANNEL | CMAS |
| expiredReferences | w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.2c96a617875240ddef9e1646f0df01606852dc0c.001.1,2026-09-25T09:17:00-10:00 |
Locations
Location data
- Olomana
- Kauai East
- Kauai South
- Koolau Windward
| Name | Value |
|---|---|
| SAME | 015003 |
| SAME | 015007 |
| UGC | HIZ009 |
| UGC | HIZ030 |
| UGC | HIZ031 |
| UGC | HIZ035 |