National Network of Regional Coastal Monitoring Programmes
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Note that these are real-time data and are not quality-controlled. Long-range graphs are plotted from a randomised subsample of half-hourly data.
Sandown Bay
Additional Information
| Wave buoy location | 50° 39.03' N 001° 07.68' W |
| WMO code | 6201010 |
| Approximate water depth | 10.7 m CD |
| Approximate spring tidal range | 3.3 m |
| Storm alert threshold | 2.48 m |
Wave parameters are recorded using a Datawell Directional WaveRider Mk III buoy. The buoy was deployed on 16 July 2003 from the MV Wessex Explorer, at which time the magnetic declination at the site was 2.9° west, changing by 0.14° east per year. Wave direction is reported following the nautical convention, meaning that the direction is where the waves come from, measured clockwise from magnetic north.
| 02/05/2025 | The buoy was replaced following a suspected hit on 30/04/2025 after the service. |
| 30/04/2025 | Scheduled service |
| 31/10/2024 | Scheduled service |
| 11/06/2024 | Scheduled service |
| 17/11/2023 | Scheduled service |
| 15/06/2023 | Scheduled service |
| 29/07/2022 | Scheduled service |
| 26/08/2021 | Scheduled service |
| 29/04/2021 | Scheduled service |
| 13/10/2020 | Scheduled service |
| 16/05/2020 | Scheduled service |
| 06/11/2019 | Scheduled service |
| 22/05/2019 | Scheduled service |
| 11/12/2018 | Scheduled service |
| 15/05/2018 | Scheduled service |
| 15/11/2017 | Due to technical difficulties during a scheduled service, the buoy was recovered. It will be redeployed ASAP. |
| 18/05/2017 | Scheduled service |
| 01/12/2016 | Scheduled service |
| 11/05/2016 | Scheduled service |
| 25/09/2015 | Scheduled service |
| 09/07/2015 | The buoy has been re-deployed |
| 06/07/2015 | The buoy came adrift earlier today. It has kindly been recovered by a local mariner and is safely moored in Bembridge |
| 05/03/2015 | Scheduled service |
| 08/07/2014 | Scheduled service |
| 30/01/2014 | Scheduled service |
| 23/07/2013 | Buoy redeployed |
| 18/07/2013 | Buoy came adrift from mooring at 01:00. Now recovered to Langstone harbour |
| 19/06/2013 | Scheduled service |
| 06/12/2012 | Scheduled service plus battery change |
| 04/12/2012 | Data stopped being transmitted at 21:30. Will be serviced at earliest opportunity |
| 25/07/2012 | Scheduled service |
| 17/01/2012 | Scheduled service |
| 19/02/2011 | Scheduled service |
| 03/06/2010 | Scheduled service and hull swap |
| 10/12/2009 | Scheduled service |
| 27/07/2009 | Scheduled service |
| 13/02/2009 | Scheduled service and hull swap |
| 22/01/2008 | Scheduled service |
| 02/02/2007 | The router has failed and is being reduced but the buoy is continuing to record data |
| 13/05/2004 | W@ves21 software updated |
| 02/03/2004 | Scheduled service |
| 01/09/2003 | The phone line problem has been fixed. Backlog of data has now been transferred. |
| 28/08/2003 | No data transferred due to phone line problems |
| 29/03/2003 | Internet connection at Sandown shorestation is down, BT have been notified |
