Privacy Policy · By using this site, you accept the following terms of use: This tool provides indicative bearings and distances between Solent racing marks for planning purposes only. Mark positions are derived from GPX data which may not reflect current charted positions. Bearings shown are true bearings calculated from stored GPS coordinates and do not account for tidal set, leeway, local magnetic variation, compass deviation, or other navigational factors. This tool must not be used as a primary means of navigation. Always refer to up-to-date Admiralty charts, official UKHO publications, and a properly corrected compass. The operator of this service accepts no responsibility or liability for any loss, injury, or damage arising from reliance on information provided by this tool, including but not limited to navigational errors, grounding, collision, or any other incident at sea.