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.

Hayling Island


Additional Information

 Wave buoy location  50° 43.90' N  000° 57.54' W
 WMO code  6201011
 Approximate water depth  10 m CD
 Approximate spring tidal range  4.6 m
 Storm alert threshold  2.78 m


Wave parameters are recorded using a Datawell Directional WaveRider Mk III buoy. The buoy was deployed on 10 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.


11/06/2024 The buoy was redeployed. 
01/06/2024 The buoy was set adrift. It has been recovered and will be redeployed as soon as feasible.
17/11/2023 Scheduled service
13/05/2023 Scheduled service
29/07/2022 Scheduled service
15/12/2021 The buoy was swapped due to unexpected rapid battery depletion. 
26/08/2021 Scheduled service
23/06/2021 The receiving antenna and coaxial cable at the shore station were renewed
29/04/2021 Scheduled service
13/10/2020 Scheduled service
16/05/2020 Scheduled service
27/12/2019 The buoy was redeployed. 
21/12/2019 The buoy was sent adrift and recovered the same day. 
04/12/2019 The buoy was redeployed. 
20/11/2019 The buoy was sent adrift and beached at Fort Monckton. Recovered the same day. 
14/11/2019 The buoy was swapped and redeployed on its licensed position. 
13/11/2019 The buoy was dragged 1 km off position.
06/11/2019 Scheduled service
22/05/2019 Scheduled service, buoy was relocated to its licensed position
24/01/2019 The buoy was dragged off site and will be relocated to its licensed position at the earliest opportunity. 
11/12/2018 Scheduled Service
05/12/2018 The buoy was retrieved, re-batteried on site and redeployed. 
04/12/2018 Contact with the buoy was lost. 
15/05/2018 Scheduled service
15/11/2017 Scheduled service
18/05/2017 Scheduled service
01/12/2016 Scheduled service
11/05/2016 Scheduled service
23/11/2015   Scheduled service
05/03/2015 Scheduled service revealed unexpected depletion of batteries. Buoy was recovered for rebattery and redeployment tomorrow morning. 
08/07/2014 Scheduled service
01/03/2014 An error occurred at the shore station at 1030 causing a data gap until 1300 when the problem was rectified
11/01/2014 Scheduled service
20/12/2013 There are indications of a problem with the buoy, which will be investigated as soon as sea conditions permit
19/06/2013 Buoy redeployed
10/06/2013 Buoy has now been recovered
09/06/2013 Buoy came adrift from its mooring, a search is underway
16/05/2013 Scheduled service, new batteries
09/05/2013 Batteries appear to have depleted. Buoy will be swapped out ASAP.
10/01/2013 Scheduled service
07/09/2012 Buoy re-deployed
06/09/2012 Buoy adrift, recovery operations underway
16/02/2012 Buoy re-deployed
14/02/2012 Buoy adrift. Kindly collected by local tug
25/11/2011 Problem with buoy found to be a loose connection. Batteries changed and loose connection fixed on 02/12/2011
19/01/2011 Scheduled service
15/11/2010 The buoy was recovered, checked and re-deployed by sunset.  The first bungee had been cut, but the buoy appeared to be undamaged.
15/11/2010 The buoy has moved off station and a team has been mobilised to recover it
26/08/2010 Buoy adrift, unknown cause. Currentley drifting eastwards towards the Witterings.
03/06/2010 Scheduled service
04/12/2009 Buoy serviced, some small dents but no apparent water ingression.
01/12/2009 The fast-moving buoy appears to have been due to an unusually lengthy period of erratic GPS readings, possibly following some impact.  It is, however, still on station and sending data.  A service visit will be arranged as soon as weather conditions permit.
30/11/2009 The buoy has moved off station and appears to be doing 10kts in a southerly direction.  Solent Coastguard have been notified.
04/10/2009 The buoy moved off station around mid-day today.  It was recovered, checked (the top bungee had been sliced through) and re-deployed the same day.
31/07/2009 Scheduled service
29/01/2009 Scheduled service, hull swapped out
01/04/2008 GPS positioning not updating
22/01/2008 Scheduled service
17/08/2007 The wave buoy came adrift at around midday today and was kindly recovered by the Selsey Lifeboat. The mooring appeared to have been sliced by a propellor. The buoy will be re-deployed as soon as possible.
11/07/2005 Scheduled service
20/12/2004 The radio signal became corrupted due, possibly, to atmospheric conditions. The fault is being investigated.
10/12/2004 Since 08:00 this morning, a fault has developed. This is being investigated.
13/05/2004 W@ves21 software updated
27/03/2004 There are engineering works on the Internet at Hayling Island and consequently data cannot be sent to the website
02/03/2004 Scheduled service