Sail Navigation Simulator

Sail Navigation Simulatorchart · wind · sail plan

Recommended sail plan —

—

Mainsail—

Headsail—

Extra—

Sail locker what you have up

Main

Sail efficiency100%

Open & rotate drag a sail to trim

Pole the headsail out downwind

Wind source synthetic

Direction (from) 225° SW

Speed 12 kn

Gustiness 18%

Shiftiness 10°

Wind layer

Animated streamlines Wind-speed shading Wind arrows grid

Particle density 2600

Current / tide

Set (towards) 0°

Drift 0.0 kn

Start point where Reset puts you

Route

Leg sail plan open & rotate, leg by leg

Orientation O to cycle

North is always at the top of the chart.

Chart layers

OpenSeaMap seamarks (real) Simulator marks (IALA) Own track Laylines & no-go zone

Depth bathymetry

Depth contours Depth shading GEBCO (worldwide, coarse)

Contours and shading come from EMODnet and cover European seas in detail. Outside Europe use GEBCO — global, but much coarser.

Place a mark pick, then click the chart

IALA legend Region A

Berthing off

Turn on Dock mode to motor into a berth.

Marina constructor off

Build the marina you want to practise in: drop pontoons, quays and moored boats, then put your berth where you want to end up. Everything you place is solid — you can hit it — and the berth is what you are scored against.

Your berth stern-to

Lined up—

What is pushing her about

Prop walk 40%

A single-screw yacht kicks her stern to port going astern. Wind it down to 0% if you would rather practise without it.

Boat

Polar diagram parametric

Load a measured polar

The CSV that Expedition, qtVlm and OpenCPN read: a header row of true wind speeds, then one row per true wind angle, separated by ;, tab or comma. The top-left cell is a label and is ignored.

STW0.0kn

SOG0.0kn

HDG000°

COG000°

TWS0kn

TWD000°

TWA0°

AWS0kn

AWA0°

VMG0.0kn

Heel0°

Target0.0kn

Rudder 0°

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