Special Marine Warning
NWS Honolulu HI ยท US
Updated
Details
The Special Marine Warning Will Expire At 1030 AM HST
- Event
- Special Marine Warning
- Issued
- Onset
- Message expires
- Expected end
- Category
- Meteorological
- Urgency
- Immediate
- Severity
- Severe
- Certainty
- Likely
- Response
- Avoid
Description
The affected areas were... Alenuihaha Channel... Big Island Leeward Waters... Big Island Windward Waters... The thunderstorms have weakened and no longer pose a significant threat to boaters.
Affected areas
- Alenuihaha Channel
- Big Island Windward Waters
- Big Island Leeward Waters
Public contact
- Issuer
- NWS Honolulu HI
- Website
- http://www.weather.gov
Message record
- Received
- Issue to receipt
- ~1m2s
- CAP status
- Actual
- CAP message type
- Update
- Lifecycle
- Updated
- Source
- NWWS-OI
- Feed
- NWWS
- Recovered
- No
CAP routing and identity
- ULID
- 01M2RGF83GXTXVMGG0J1PDMKM8
- Identifier
- urn:oid:2.49.0.1.840.0.9df8910f8e2f27e58ba420d3a9d7c2b9eefeabaa.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.3808
- 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 | MAW |
Parameters
| Name | Value |
|---|---|
| AWIPSidentifier | MWSHFO |
| WMOidentifier | FZHW70 PHFO 172020 |
| NWSheadline | THE SPECIAL MARINE WARNING WILL EXPIRE AT 1030 AM HST |
| eventMotionDescription | 2026-09-17T20:20:00-00:00...storm...323DEG...4KT...20.4,-155.77 20.08,-154.92 |
| BLOCKCHANNEL | EAS |
| BLOCKCHANNEL | NWEM |
| VTEC | /O.EXP.PHFO.MA.W.0101.000000T0000Z-260917T2030Z/ |
| eventEndingTime | 2026-09-17T10:30:00-10:00 |
| BLOCKCHANNEL | CMAS |
Locations
Location data
- Alenuihaha Channel
- Big Island Windward Waters
- Big Island Leeward Waters
| Name | Value |
|---|---|
| SAME | 059121 |
| SAME | 059122 |
| SAME | 059123 |
| UGC | PHZ121 |
| UGC | PHZ122 |
| UGC | PHZ123 |
- Polygons
- 19.85,-154.97 19.94,-155.18 20.0,-155.25 20.1,-155.45 20.12,-155.6 20.19,-155.71 20.24,-155.76 20.26,-155.87 20.23,-155.9 20.25,-155.94 20.65,-155.82 20.28,-154.85 19.85,-154.97