New model - Key facts
The prestigious Rolex Fastnet Race is just a few weeks away, and competitors who have the most accurate data on hand will be able to make the best possible decisions for the fastest route.
The Fastnet is genuinely a navigators' race, as it challenges competitors to negotiate some very tricky tidal situations - such as whether to head offshore for pressure or tuck inshore to avoid the worst of an adverse tide. This year's race is exciting because it's finishing in France for the first time, and the last section involves negotiating the notorious Alderney Race, with currents of up to 9 kts.
Like many sailing fans, we can't wait for the action to begin in the 36th Americas Cup in Auckland. Wind speed and direction, as you'd expect, will be the main factor that determines sail and foil choices, and of course, tactics on the course. What about tidal currents? With the speeds that these boats go, you'd be forgiven for thinking that current will be irrelevant.That's not the case though. Here's why: