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Voyage Log
Track upload
Vessel
Tap Add observation to capture your first reading. Time and position will auto-fill.
Drop a GPX or CSV here
Existing recorded track from a chartplotter, OpenCPN, or phone GPS app.
Why this matters
Each observation feeds the AI polar learner. After enough logged voyages, NaviSight builds a per-vessel speed surface in (Hs, μ, TWS, TWA) that beats a generic polar — your routes get smarter every time you sail.