Anchor watch systems work by creating a security zone around the boat, which is the electronic circle the boat is allowed to wander around in without tripping an alarm. The challenge lies in understanding the limitations of the different anchor watch systems and choosing which to use.Īlmost all anchor watch systems rely on the global positioning system (GPS), a revolutionary aid to navigation that is nonetheless prone to errors that must be compensated for when used to monitor the boat's position. Today, with just a few keystrokes, you can have an electronic box stand the middle watch, allowing a few hours of shut-eye. Thankfully the days of wooden boats and iron men are behind us. You escape below only to have your pencil tear a hole in the soaking-wet chart while triangulating the boat's position. The Offshore App is designed for boats heading offshore with a need to download forecast GRIB data on a Satellite or SSB connection.It's a pitch-black, nasty night with rain blowing sideways, and your concern about your anchor dragging sends you topside again to shoot bearings through lightning on distant landmarks. The Inshore App is designed for usage on a cellular or Wifi network and displays high-resolution forecasts on your mobile or tablet.
PredictWind offers two apps for weather forecasting: for inshore and coastal sailing and others for offshore sailing. The company was founded by Jon Bilger, a competitive yachtsman and Winner of America’s Cups in 2003/2007 as Alinghi Weather Team Manager.
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