Small Craft Advisory
NWS Honolulu HI ยท US
Updated
Details
Small Craft Advisory Remains In Effect Until 6 AM HST Thursday
- Event
- Small Craft Advisory
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Expected
- Severity
- Minor
- Certainty
- Likely
- Response
- Avoid
Description
What
Northeast winds 10 to 20 kt with gusts up to 30 kt and seas 4 to 6 feet.
Where
Maalaea Bay, Pailolo Channel, Alenuihaha Channel, Big Island Leeward Waters and Big Island Southeast Waters.
When
Until 6 AM HST Thursday.
Impacts
Conditions will be hazardous to small craft.
Instructions
Inexperienced mariners, especially those operating smaller vessels, should avoid navigating in these conditions.
Affected areas
- Maalaea Bay
- Pailolo Channel
- Alenuihaha Channel
- Big Island Leeward Waters
- Big Island Southeast Waters
Public contact
- Issuer
- NWS Honolulu HI
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~33s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2Q2NGQZ7T1V34E9Z5NSXGHV
- Identifier
- urn:oid:2.49.0.1.840.0.746917972358fff8690dd6cbe2a0a4f1b6c72cea.001.1
- 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.1895
- 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 | SCY |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | MWWHFO |
| WMOidentifier | WHHW70 PHFO 170700 |
| NWSheadline | SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST THURSDAY |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.CON.PHFO.SC.Y.0037.000000T0000Z-260917T1600Z/ |
| eventEndingTime | 2026-09-17T06:00:00-10:00 |
| BLOCKCHANNEL | CMAS |
| expiredReferences | w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.4ed39188cf5b6511d19b7113660af40c29100318.001.1,2026-09-16T03:10:00-10:00 |
Locations
Location data
- Maalaea Bay
- Pailolo Channel
- Alenuihaha Channel
- Big Island Leeward Waters
- Big Island Southeast Waters
| Name | Value |
|---|---|
| SAME | 059119 |
| SAME | 059120 |
| SAME | 059121 |
| SAME | 059123 |
| SAME | 059124 |
| UGC | PHZ119 |
| UGC | PHZ120 |
| UGC | PHZ121 |
| UGC | PHZ123 |
| UGC | PHZ124 |