There are only two places in Papua New Guinea where the tide runs very swiftly (discounting rivers). These are the China Strait against the south east tip of the mainland and Buka Passage, a narrow strait between Buka and Bougainville Islands. In both places the current reaches six knots with possible higher rates in Buka Passage.
Because the tide runs both ways, the boatman need not fight either of the above mentioned tides. He can always wait for the favourable stream then make a passage that is nothing less than breathtaking in its speed.
Elsewhere, the tidal streams are gentle or non existent making windward-tide anchorages very rare indeed. Also, the tidal range is mostly in the vicinity of 0.8 metres which makes careening impossible but is great for leaving dinghies ashore, getting off sandbanks and reefs on a falling tide, and in general, taking the tension out of reef navigation.
Only along the south coast of Papua New Guinea does the tidal range increase to a height which offers the opportunity to careen the average yacht and cause, here and there, rather annoying windward-tide anchorages. The coast from Port Moresby west to the Fly River and Daru is the area of the greatest tidal range in the country where up to about two metres will be experienced during springs.
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Lets start by identifying what exactly certain boats are. Sometimes the terminology can get lost on beginners, so well look at some of the most common boats and what theyre called. These boats are exactly what the name implies. They are meant to be used for fishing. Most fishing boats are powered by outboard motors, and many also have a trolling motor mounted on the bow. Bass boats can be made of aluminium or fibreglass.