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Digimap tides

Digimap have developed this site as a public service and we hope you enjoy using the site and it enhances your boating. The site is presently in a trial phase, and any feedback about the accuracy or otherwise of the various times at the various gates would be appreciated.

Digimap Ltd cannot accept any liability for any damage caused as a result of the information provided. The times given can vary widely due to a number of geographical and environmental factors and the information should be used as a guide only.

Remember on a falling tide that a marina gate may close early. Always look at the depth gauge at the marina entrance / exit before attempting to pass through.

Please click on the link below as required.

Guernsey Marina opening times for various draught boats

Depth of water over Marina sill and Chart Datum useful for mooring

Marina help information - do read this

NEW - Herm harbour tide information -

The times given do allow for British Summer Time when this is in force.

Tidal data © Crown Copyright. Reproduced by permission of the Controller of Her Majesty's Stationery Office and the UK Hydrographic Office.
© Digimap Ltd 2014
Old Guernsey Tobacco Factory, La Ramee, St Peter Port, Guernsey GY1 2ET
Tel: 01481 700321 Fax: 01481 700320