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 will build through the day, peaking tonight and near-warning level surf may linger into Thursday, with surf falling below advisory levels by Thursday night.
What
For north-facing shores, surf increasing to 15 to 20 feet today, peaking at 18 to 24 feet tonight, possibly into Thursday morning, then diminishing through Thursday. For west-facing shores, surf increasing to 10 to 15 feet today, peaking at 14 to 18 feet 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
- ~38s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M75DK3KVRSDMBB37R93HZ1GE
- Identifier
- urn:oid:2.49.0.1.840.0.0768221924b6a280817a6a992a248cdc1bb66e8e.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.2455
- 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
Event codes
| Name | Value |
|---|---|
| SAME | NWS |
| NationalWeatherService | SUY |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | CFWHFO |
| WMOidentifier | WHHW40 PHFO 111343 |
| NWSheadline | HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 PM HST THURSDAY |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.CON.PHFO.SU.Y.0043.261111T1600Z-261113T0400Z/ |
| eventEndingTime | 2026-11-12T18:00:00-10:00 |
| BLOCKCHANNEL | CMAS |
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 |