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 ADVISORY IN EFFECT FOR EAST FACING SHORES OF KAUAI AND OAHU THROUGH SUNDAY... ...HIGH SURF ADVISORY IN EFFECT FOR EAST AND SOUTHEAST FACING SHORES OF MOLOKAI MAUI AND THE BIG ISLAND THROUGH SUNDAY... .Hurricane Nolo is generating a moderate swell that is producing advisory level surf along east and southeast facing shores of the Big Island, Maui, and Molokai that will maintain tonight and then diminish on Sunday as Nolo moves westward away from the islands. Strengthening trades also cause building surf which peaks tonight for east facing shorelines and begins to diminish on Sunday.
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 to high. Strong breaking waves and strong currents will make swimming dangerous. Waves breaking in channel entrances may make navigating the channels 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
- ~21s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M3F19MBM4BXBW178R3K95BQK
- Identifier
- urn:oid:2.49.0.1.840.0.a38ce18901033b32ede99c801b4198ede924be8c.002.1
- 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.3209
- 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
Event codes
| Name | Value |
|---|---|
| SAME | NWS |
| NationalWeatherService | SUY |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | CFWHFO |
| WMOidentifier | WHHW40 PHFO 261418 |
| 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 |
Locations
Location data
- Olomana
- Kauai East
- Kauai South
- Koolau Windward
| Name | Value |
|---|---|
| SAME | 015003 |
| SAME | 015007 |
| UGC | HIZ009 |
| UGC | HIZ030 |
| UGC | HIZ031 |
| UGC | HIZ035 |