Sandettie Lightship Buoy Data
Daily values taken at 12 noon UTC.
Tidal range is the absolute difference between high and low Dover tides.
There were 46 swim dates in our solo swims database during 2025: May 2nd, Jun 12th, Jun 13th, Jun 15th, Jun 16th, Jun 17th, Jun 18th, Jun 20th, Jun 21st, Jun 25th, Jun 29th, Jun 30th, Jul 2nd, Jul 3rd, Jul 4th, Jul 9th, Jul 10th, Jul 13th, Jul 16th, Jul 17th, Jul 18th, Jul 23rd, Jul 25th, Jul 26th, Jul 27th, Jul 29th, Jul 30th, Aug 6th, Aug 9th, Aug 10th, Aug 11th, Aug 15th, Aug 22nd, Aug 23rd, Aug 24th, Aug 25th, Sep 5th, Sep 8th, Sep 9th, Sep 19th, Sep 27th, Sep 28th, Sep 29th, Sep 30th, Oct 1st, Oct 9th.
Notes
- Data shown on these graphs are from the Sandettie Lightship Buoy automatic weather station. It is the closest station measuring sea temperatures and weather to the Channel swimming routes.
- To track graph values move the mouse over the graph area. To change graph resolution, highlight the area of interest. To zoom out, double-click on the graph area.
- Sandettie data is provided by the Met Office: it contains public sector information licensed under the Open Government Licence v1.0. Please read our detailed notes on Sandettie data and interpreting these graphs and values.
- Tide range data is calculated by the XTide freeware. See our Tides section for more information.
- If you have any suggestions or comments on how we presented this data, please contact us.