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About
Vigia keeps watch over your anchorage so you can relax — at anchor, on deck, or asleep below. Mark your anchor and Vigia draws a guard circle on the map. If your boat leaves it — the anchor is dragging — a loud alarm sounds, even with the silent switch on and the screen off. What makes Vigia different • Learns your swing circle automatically — no rode length to enter; it watches the boat swing and works out the real pivot and radius. • Smart alarm — guards against a single bad GPS fix, and only widens the circle on a genuine swing, never on a drag. Wind at your mooring • 24-hour wind forecast at your anchorage: wind, gusts, direction + an hourly graph. • Set a gust threshold — hours above it turn red, so you see the blow coming. Built for a night at anchor • Background watch, screen off; adaptive GPS (dense while learning, easy on battery afterwards). • Selectable alarm tones, audible over the silent switch. • Recenter on the real pivot; pause when you go ashore; clean stray track points in one tap. • Hand the watch off to another iPhone over AirDrop. No account, no API key. Wind data by Open-Meteo. Important — Vigia is an aid, not a substitute for a proper watch. It carries no nautical charts and cannot see hazards. The safety of the vessel and crew remains the sole responsibility of the skipper. Use at your own risk.
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