Question 1

How do I edit a POI?

Henri · Accepted Answer

Tap or click, depending on your device, on a POI, and in the menu that appears select “Edit POI” to open the edit window.

See also: How do I create a POI or waypoint

Question 2

How do I edit a POI?

Henri · Accepted Answer

Tap or click, depending on your device, on a POI, and in the menu that appears select “Edit POI” to open the edit window.

See also: How do I create a POI or waypoint

Question 3

How to easily create your boat's polar ?

Henri · Accepted Answer

iPolar lets you create a polar in one minute based on your boat’s characteristics:

Go to the “My Boat” tab, then tap the selected Polar.
Select the “iPolar” tab, then click “Create”.
Enter the required information:
- Polar name
- Overall length
- Displacement
- Main sail area
- Jib area
Optional information:
- Waterline length
- Symmetrical spinnaker area
- Asymmetrical spinnaker area
Choose your parameters:
- Sailing style: Cruising or Racing
- Polar type: Routing or Performance
- (For most users: Cruising + Routing)
Click “Calculate my polar”.
Select your newly created polar.

Note: The iPolar method was developed by KND, experts who work with the America’s Cup, TP52s, and IMOCAs — the best in their field!

Question 4

What are the wave patterns or sea conditions?

Henri · Accepted Answer

These models provide a simplified description of the sea state.
In short, they include the significant height of the total sea, its period, its direction, as well as the same information for the wind sea.

They are mainly used in routing when conditions are challenging.

Global Models

GFS 0.25° (28 km), 0.5° (56 km), 1° (111 km), 2° (222 km)
Global model from NOAA (United States). Available in several resolutions: the finer the grid, the larger but more accurate the file.
Resolution: from 28 km to 111 km
Forecasts up to 16 days
Time step: 3 hours
A key reference for offshore navigation. Prefer the fine version (0.25°) with a good connection, or a lighter version (1° or 2°) when bandwidth is limited.
MFWAM Global 0.1° (12 km), 0.5° (56 km), 1° (111 km)
Global model from Météo-France. Available in several resolutions.
Resolution: from 12 km to 56 km
Forecasts up to 4 days
Time step: 3 hours
The most accurate of the global models, but limited to 4-day forecasts.

Regional Models

MFWAM France 0.025° (3 km)
Regional model from Météo-France.
Covers the French metropolitan coasts.
Grid: 0.025° x 0.025° (3 km x 3 km)
Total forecast range: 4 days
Time step: 3 h
Excellent for coastal navigation.
IFREMER WW3 0.006° (500 m)
Regional models from IFREMER with several variants: North and South Channel, and North and South Gascogne.
Covers the Channel and Atlantic coasts of mainland France.
Grid: 0.004° x 0.006° (500 m x 1 km)
Total forecast range: 2 days
Time step: 1 h
IFREMER WW3 0.003° (250 m)
Local models from IFREMER with several variants:
Pas-de-Calais, Normandy-Cotentin, Armor, Finistère, South Brittany, Loire, Charentes, and Aquitaine.
Covers the Channel and Atlantic coasts of mainland France.
Grid: 0.002° x 0.003° (250 x 500 m)
Total forecast range: 2 days
Time step: 1 h
The most accurate wave model — a must when sailing through tricky coastal areas.

How do I edit a POI?

How do I edit a POI?

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How do I edit a POI?

How do I edit a POI?

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How to easily create your boat’s polar ?

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