High Surf Advisory
NWS Honolulu HI ยท US
Details
High Surf Advisory Remains In Effect Until 6 PM HST Thursday
- Event
- High Surf Advisory
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Minor
- Certainty
- Likely
- Response
- Avoid
Description
Overview
...HIGH SURF ADVISORY FOR NORTH AND WEST FACING SHORES OF NIIHAU KAUAI OAHU MOLOKAI AND NORTH FACING SHORES OF MAUI... .Surf heights has begun to rise quickly this afternoon and is expected to peak late tonight through early Thursday at near- warning level surf. Surf is expected to start falling below advisory levels by Thursday night.
What
For north-facing shores, surf rising through the evening, and peaking at 18 to 24 feet late tonight and Thursday morning, then diminishing through Thursday. For west- facing shores, surf peaking at 14 to 18 feet late tonight, then diminishing through Thursday.
Where
North and west facing shores of Niihau, Kauai, Oahu, Molokai and north facing shores of Maui.
When
Until 6 PM HST Thursday.
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
- Niihau
- Waianae Coast
- Oahu North Shore
- Maui Windward West
- Kauai North
- Molokai Windward
- Molokai North
- Molokai West
- Maui Central Valley North
- Windward Haleakala
Public contact
- Issuer
- NWS Honolulu HI
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~52s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M76PSWKKW591QJS02YGAKZ71
- Identifier
- urn:oid:2.49.0.1.840.0.6a47076bba67319767cc732cc3b68c5b4eb4bc43.001.1
- Sender
- [email protected]
- Scope
- Public
- CAP source
- 211803 v2.3.0
- Handling codes
- IPAWSv1.0
- Issuing office
- NWS Honolulu HI
- AWIPS ID
- CAPHFO
- NWWS sequence
- nwws_processor.2547
- WMO heading
- XOHW50
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- Hawaiian Islands (HW)
- WMO bulletin number
- 50
References
- Sender
- [email protected]
- Sent
- Sender
- [email protected]
- Sent
Event codes
| Name | Value |
|---|---|
| SAME | NWS |
| NationalWeatherService | SUY |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | CFWHFO |
| WMOidentifier | WHHW40 PHFO 120143 |
| NWSheadline | HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.CON.PHFO.SU.Y.0043.000000T0000Z-261113T0400Z/ |
| eventEndingTime | 2026-11-12T18:00:00-10:00 |
| BLOCKCHANNEL | CMAS |
| expiredReferences | [email protected],urn:oid:2.49.0.1.840.0.b77cf601531c502d5e38b00a9d85571f58453e43.001.1,2026-11-10T15:16:00-10:00 |
Locations
Location data
- Niihau
- Waianae Coast
- Oahu North Shore
- Maui Windward West
- Kauai North
- Molokai Windward
- Molokai North
- Molokai West
- Maui Central Valley North
- Windward Haleakala
| Name | Value |
|---|---|
| SAME | 015007 |
| SAME | 015003 |
| SAME | 015009 |
| UGC | HIZ001 |
| UGC | HIZ006 |
| UGC | HIZ007 |
| UGC | HIZ017 |
| UGC | HIZ029 |
| UGC | HIZ037 |
| UGC | HIZ039 |
| UGC | HIZ040 |
| UGC | HIZ045 |
| UGC | HIZ047 |