A 21km day trip from Portavadie to Otter Ferry, Loch Fyne.Auchalick Bay, Loch FyneTidal streams in Loch Fyne are generally weak. In the Otter Ferry narrows:+0555 HW Greenock (-0510 HW Dover) north-east going flood begins.+0015 HW Greenock (+0135 HW Dover) south-west going ebb begins.In mid channel the rate in each direction is 1 knot. Close to the beacon at the end of the spit, the rate is about