Colourful Cardinal Mark

So, hands up who knows their bouys? Yes, I thought you did! In that case please tell me what kind is this (and no I don’t just mean a cardinal mark), which of the 4 cardinal markers is it? And for a bonus point… what does this particular type of buoy signify?

4 Comments

  1. Marks the west side of an obstruction to navigation , part of the international buoyage system. dad

  2. It’s a westerly cardinal marker marking the most westerly point of an underwater feature.

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