BLUEMOMENT

I feel sure that there must be one at SAMS, the marine lab at Dunstaffnage, but a quick Google didn't find it. Derek Anyway, I summed up all components for my air draft to the tip of the vhf aerial, resulting closer to 15m than to 14, meaning other than neaps, no HW slack entry for me, just LW slack.

btw, are there any tidal gauges near Connel bridge (before the point of no return...)? Or any conspicuous rocks, that are covered, if for some reason the tide is higher than MWHS? My air draft is just about 14m, I suspect if there are any waves, even MWHS might be a problem. Sure, I'll prefer LW sla...

Sorry to revive an ancient topic, I am interested in this bridge :D . HAT can indeed be a meter higher than MHWS. Interestingly, the US NGA publishes a 15m in their most recent Publication Nr. 141 (newest version here: https://msi.nga.mil/NGAPortal/MSI.portal?_nfpb=true&_st=&_pageLabel=msi_p...