How to avoid safe water marks
The east coast is not like the south coast, which is just one of the reasons that charts of the east coast aren’t much use on the south coast. South coast charts aren’t much help on the south coast either. What’s needed is local knowledge.
For example, on the south coast the main hazards to navigation are sea-school boats practising man overboard in harbour entrances, but you won’t find these on charts. Buoyage is different too.
On the east coast, a
