The Nature Instinct
The Nature Instinct has been published in the US! “A captivating guide to finding one’s way in the wild.” —The Wall Street Journal “An imperative…
Find out how to read water
Tag: sea
A Brief Guide to Overfalls
Whenever the tide turns, water heads from one area to another. This sets up a flow known as tidal currents. Tidal currents moving over a…
Stick Charts at the Royal Academy
Last night I was invited by the very nice people at Tourism New Zealand to the opening of Oceania, a wonderful exhibition at the Royal…
The Colour of Water
The colour of water is determined by: A) What’s under it. B) What’s in it. C) What’s on it. D) And by light levels and…
Brendan the Navigator
Writing the sorts of books I do is hard work, at times dauntingly so. But emails like this make me want to charge out there…
Beach Stripes
Can you work out the cause of the beach stripes in the picture above? There are 6 stages. ———— Answer: 1. As waves break, water…
How to Spot a Dangerous Sandbank or Reef
How to spot a dangerous sandbank or reef: Note the change in colour and the breaking waves. At night only the sound of the breakers…
What is Fetch?
The definition of the word ‘fetch’ is simple: The distance that wind travels over open water. The first time we come across this word it…
Shark Teeth and Currents
A sample of fossil sharks’ teeth collected on Casey Key and Venice beach, Florida, by Mark Evans. — I have written about the way sea…