High Surf Advisory
NWS Honolulu HI ยท US
Details
High Surf Advisory In Effect From 6 AM Wednesday To 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 Wednesday, peak Wednesday night and maintain advisory level heights Thursday.
What
.15 to 20 feet along north facing shores Wednesday and Thursday, peaking 18 to 24 feet Wednesday night. 10 to 15 feet along west facing shores Wednesday and Thursday, peaking 14 to 18 feet Wednesday night.
Where
North and west facing shores of Niihau, Kauai, Oahu, Molokai and north facing shores of Maui.
When
From 6 AM Wednesday to 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
- ~1m4s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M742W3KV8JACMY6KVE89HSFV
- Identifier
- urn:oid:2.49.0.1.840.0.b77cf601531c502d5e38b00a9d85571f58453e43.001.1
- 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.1909
- WMO heading
- XOHW50
- WMO data type
- CAP alert message XML (XO)
- WMO geography
- Hawaiian Islands (HW)
- WMO bulletin number
- 50
Event codes
| Name | Value |
|---|---|
| SAME | NWS |
| NationalWeatherService | SUY |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | CFWHFO |
| WMOidentifier | WHHW40 PHFO 110116 |
| NWSheadline | HIGH SURF ADVISORY IN EFFECT FROM 6 AM WEDNESDAY TO 6 PM HST THURSDAY |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.NEW.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 |