Mrnotming
Well-Known Member
There is a French Hydrographic booklet like the Admiralty tidal atlas. Published by SHOM. www.shom.fr
This makes it simple to gauge time of arrival in terms of Ushant /Chenal du Four.
Work your 4knot boatspeed backwards across taking into account your weather wind and local tide.(is this a conservative boatspeed?)
This gives you a jumpoff time.You could allow to be there at the change to southern streams in the Chenal, so if late there would be hours in hand.There are bays in Ushant to wait if neccessary due to early arrival.
http://www.shom.fr/les-produits/pro...courants-de-maree/atlas-de-courants-de-maree/
This makes it simple to gauge time of arrival in terms of Ushant /Chenal du Four.
Work your 4knot boatspeed backwards across taking into account your weather wind and local tide.(is this a conservative boatspeed?)
This gives you a jumpoff time.You could allow to be there at the change to southern streams in the Chenal, so if late there would be hours in hand.There are bays in Ushant to wait if neccessary due to early arrival.
http://www.shom.fr/les-produits/pro...courants-de-maree/atlas-de-courants-de-maree/
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