We built the perfect anchor alarm system🚨 Here is how we use it

17 August 2026 0:50 1.52K views 0 logs

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When we arrived at the anchorage, Holly handled the windlass while I talked through how we set the anchor. We’ve also got the anchor alarm running on a split screen, so you can see it working in real time, including when the alarms go off.

The anchor watch is a custom Home Assistant setup that takes GPS, depth, heading and wind data from Signal K. It calculates our swing radius using the amount of rode we’ve put out and the depth, then keeps an eye on the boat for any signs that we’re dragging. If the boat moves outside the area it should be in, both our phones get an alert and the onboard...