Wind layer

Live wind direction and speed across the entire globe, overlaid on your map. Two visual layers stacked together: a colored speed wash underneath, animated particle streams on top.

What you see

  • Colored background. Wind speed mapped to a green → amber gradient. Calm regions stay close to the basemap dark; gales burn bright.
  • Particle streams. Tiny gold streaks flow with the wind direction. Each particle has a short trail and a finite life — you see motion rather than a static field.
  • Cyclonic eddies. Real low-pressure systems show up as visible whirlpools — handy for spotting weather coming your way.

Where the data comes from

Open-Meteo's public global forecast grid, refreshed every 30 minutes. The grid resolution is 5°, smoothed to ~10° for visual clarity. That's enough to read continental-scale weather; not enough to plan a sailing tack.

When it's useful

  • Trail planning the day before a ride or a long walk.
  • Watching whether tomorrow's bike commute will be a tailwind or a headwind.
  • Following a friend's ocean crossing — the trade winds and the westerlies are right there.

Toggling on

Open the live map for any trip. The weather toggle in the top-right has three options: Wind, Rain, Temperature. Pick one. Only one shows at a time; tapping the active one again clears it.

Performance notes

  • The particle layer auto-disables at zoom levels deeper than 13 — one source-grid cell would cover most of the screen, so every particle would flow the same direction. The colored speed background stays.
  • Particles render at 15 fps, capped — battery friendly even with the layer left on permanently.
  • Temperature — the climate wash, same global grid.
  • Pressure — isobar contours + L/H markers.
  • Rain — real-time precipitation radar.

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