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.



Additional Information

 Wave buoy location  50° 45.99' N  000° 04.53' E
 WMO code  6201014
 Approximate water depth  11 m CD
 Approximate spring tidal range  6.1 m
 Storm alert threshold  3.78 m


Wave parameters are recorded using a Datawell Directional WaveRider Mk III buoy. The buoy was deployed on 22 January 2008, at which time the magnetic declination at the site was 1.8° 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.


17/06/2023 The shore station has been brought back online.
24/05/2024 The buoy was swapped out following reports that the antenna light had stopped working. The shore station remains offline.
08/05/2024 The BT line for the shore station was severed while a power cable was being laid. A site visit by a BT engineer is scheduled.
22/04/2024 The buoy is offline due to issues at the shore station. An investigation is underway.
20/03/2024 Scheduled service
30/12/2023 The buoy is offline due to power issues at the shore station.
24/06/2023 Scheduled service
31/05/2023 The shore station is experiencing power issues again.
13/05/2023 The shore station is experiencing power issues again.
01/05/2023 There is a power outage at the shore station.
23/01/2023 Scheduled service
12/11/2022 There are further power issues at site, the buoy will be online again as soon as this is rectified. Update: The power was restored on 21/11/2022.
09/11/2022 Local power issues have interrupted transmission again. Update: The connection was restored on 10/11/2022.
02/11/2022 Data transmission has been interrupted by a local power outage. Update: The connection was restored on 07/11/2022.
25/10/2022 Data is not being received due to a local power outage. Update: The local power outage was resolved and data transmission has resumed.
13/07/2022 The HF antenna on the buoy was replaced after reports that the site was unlit. 
23/06/2022 Scheduled service
23/09/2021 Scheduled service
22/09/2021 Scheduled service
28/04/2021 Scheduled service
05/11/2020 Scheduled service
16/05/2020 Scheduled service
19/11/2019 Scheduled service
21/06/2019 Scheduled service
04/01/2019 Scheduled service
08/06/2018 Scheduled service
19/12/2017 Scheduled service
27/10/2017 Internet connection has been restored
26/10/2017 There is a problem with the internet line at the shore station; engineers have been called
09/05/2017 Scheduled service

The buoy came adrft this morning, the bungee has been severed.  A local vessel has kindly receovered the buoy and plans are underway to re-deploy it later today. The buoy was re-deployed at 15:00Z.

01/12/2016 Scheduled service
02/06/2016 The connection has now been restored and data should backfill to the website.
30/05/2016 Internet issues at the shore station are preventing data from being uploaded to the website and are being investigated with BT. The buoy is still on position and transmitting data.
04/05/2016 Scheduled service
13/11/2015   Data have stopped being uploaded to the website due to an issue at the shore station. Will be fixed ASAP.
09/10/2015 Replacement buoy deployed
03/10/2015 Scheduled service revealed lower battery than expected. Hull will be swapped ASAP.
08/05/2015 The data gap over the past 36 hours was due to another issue with the shore station computer which has now been swapped out again.
27/04/2015 The buoy came free from its mooring this morning but has since been recovered and redeployed. The mooring appears to have been cut by a passing vessel.
18/04/2015 The computer at the shore station stopped working yesterday and had to be replaced.
08/04/2015 Buoy redployed today.
06/04/2015 Buoy came adrift this afternoon. Has been recovered and will be redeployed ASAP.
26/11/2014 Scheduled service
31/05/2014 Scheduled service
17/03/2014 Unscheduled check on buoy and HF antenna replaced
14/03/2014 Buoy stopped transmitting data due to a faulty antenna; oossibly a result of a vessel impact
26/11/2013 Buoy re-deployed
21/11/2013 Buoy came adrift from mooring around 11pm last night. The buoy is being tracked but adverse sea conditions prevent recovery at present
13/11/2013 Scheduled service
05/07/2013 Buoy redeployed
02/07/2013 Buoy came adrift at 0040 last night. Appears to have beached near Seaford Head. Will be recovered and redeployed ASAP
16/05/2013 Scheduled service
27/11/2012 Scheduled service
03/05/2012 Scheduled service
19/01/2012 Loose wiring affected data until fixed on 21 January
10/12/2011 The buoy has been checked and re-deployed
08/12/2011 The buoy has come adrift and beached but cannot be reached from the shore.  A rescue from the sea is underway, but delayed by rough weather
20/10/2011 Scheduled service
12/01/2011 No data coming through to the website, fault under investigation
09/04/2010 Scehduled service
26/03/2010 No data are being received at the shore station.  There was a thunderstorm last night which may have caused problems.  The fault is under investigation.
16/11/2009 The shore station suffered a major power cut during the storms yesterday and no data were received from the buoy from 05:30 15 Nov to 10:00 16 Nov.  The data will be recovered from the buoy during the next service visit.
15/10/2009 The buoy was replaced by a spare.
25/08/2009 Scehduled service
23/04/2009 Scheduled service
10/11/2008 Buoy has been hit but, settled after a short period of time.
14/08/2008 Cut adrift at approx 5:00, recovered and re-deployed.
31/07/2008 Buoy re-deployed
20/06/2008 Adrift, kindly recovered to Newhaven Harbour by the RNLI.
05/06/2008 Mooring severed, re-deployed on the same mooring.
22/01/2008 Buoy deployed