We had arrived in the "low" islands by sailing 500 miles to the SW of the Marquesas. What an abrupt contrast! (internet photo)
The Tuamotus barely rise out of the sea. Instead of a landscape it would be more appropriate to call it a sky and seascape.
We visited severn atolls, spending almost 6 months in this quiet and remote corner of French Polynesia
We watched friends on svTa-B struggle to barely power through the pass at the wrong time when the current was strongly against them.
Passes can be tricky because of strong currents; here you can see the disturbed water and calm water in the same pass.
Rupert Murdoch son's megayacht Sarrisa has a crew member stationed on the top spreaders as a lookout
Google Earth chartlet shows the pass and the larger bommies. The smaller bommies may not show up and clouds can obscure your reading.
“Rapidly changing weather patterns call for flexibility and good navigational skills”. You can get caught on a lee shore.