Guides
Longer answers than a calculator gives you: what the anchor watch checks through the night, how much chain to let out and why the tables disagree, which country’s posidonia rules apply where you’re anchored, and how the data gets from your instrument wiring onto your wrist.
Anchoring on posidonia: the rules by countrySpain, France, Italy and Greece each treat anchoring on posidonia differently: different laws, different fines, different enforcement. Know which rules apply.
Anchoring on a falling tide: two numbers, not oneChain length is set by the deepest water of your stay, the swing circle by the shallowest. In tidal water, neither is the depth your sounder shows right now.
Charter handover checklist: what to check before you signThe base technician walks you through the boat in 15 to 60 minutes. What you note, or fail to note, on that walk-through decides who pays for damage later.CapMate
Let CapMate keep the watch
The same formulas run on board: CapMate picks the chain for tonight’s forecast, watches the anchor all night and wakes you on your wrist if it drags.

