High Surf Advisory
NWS Honolulu HI ยท US
Details
High Surf Advisory Now In Effect Until 6 PM HST This Evening... ...High Surf Warning Is Cancelled
- 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 MOLOKAI, MAUI, AND THE BIG ISLAND THROUGH THIS EVENING... ...HIGH SURF ADVISORY IN EFFECT FOR SOUTHEAST FACING SHORES OF THE BIG ISLAND THROUGH THIS EVENING... ...HIGH SURF ADVISORY IN EFFECT FOR EAST FACING SHORES OF KAUAI AND OAHU THROUGH MONDAY MORNING... .Southeast swell generated by Hurricane Nolo is beginning to decline for the Big Island, but continues to produce advisory level surf for east and southeast facing shores. This swell combined with gale-force trades is producing advisory level surf along east facing shores of Maui, Molokai, Oahu and Kauai. Surf will diminish below advisory criteria later today for the eastern islands but will likely continue through tonight for Oahu and Kauai as Nolo moves westward away from the islands.
What
Large breaking waves of 9 to 12 feet in the morning, diminishing to 7 to 10 ft by this evening.
Where
Southeast facing shores of the Big Island.
When
Until 6 PM HST this evening.
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
- Big Island Southeast
Public contact
- Issuer
- NWS Honolulu HI
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m2s
- CAP status
- Actual
- CAP message type
- Alert
- Lifecycle
- New
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M3HJ2FB6MAGQRWATCXZT1PC3
- Identifier
- urn:oid:2.49.0.1.840.0.6723ce9da4552d97f110a27df07ec13574bd4268.001.2
- 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.2409
- 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
Event codes
| Name | Value |
|---|---|
| SAME | NWS |
| NationalWeatherService | SUY |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | CFWHFO |
| WMOidentifier | WHHW40 PHFO 271349 |
| NWSheadline | HIGH SURF ADVISORY NOW IN EFFECT UNTIL 6 PM HST THIS EVENING... ...HIGH SURF WARNING IS CANCELLED |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.EXT.PHFO.SU.Y.0040.260927T1349Z-260928T0400Z/ |
| eventEndingTime | 2026-09-27T18:00:00-10:00 |
| BLOCKCHANNEL | CMAS |
| expiredReferences | w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1faab60b5a0f6ef23a830207fc719c4804d80d32.001.3,2026-09-26T13:03:00-10:00 |
Locations
Location data
- Big Island Southeast
| Name | Value |
|---|---|
| SAME | 015001 |
| UGC | HIZ052 |