weather wis­dom

Yachting Monthly - - VIEW FROM THE HELM -

Good sea­man­ship dic­tates that you al­ways have a back up. Nav­i­gat­ing, you cor­re­late your GPS fix with a depth read­ing, and maybe a vis­ual sight. You carry spare fil­ters for your en­gine, and there’s an ex­tra hand­held VHF stowed some­where down be­low, just in case. When it comes to weather, how­ever, it’s easy to be sucked in by the ap­par­ent pre­ci­sion of fore­cast apps on your phone. As Si­mon Keel­ing ex­plains, this is raw data and a long way from a real fore­cast, but with a few sim­ple steps, we can turn it into a pre­dic­tion we can trust.

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