If you are having trouble calculating a Departure Plan, work through the checks below before trying again.
1. Check your start and finish waypoints
Make sure your start and finish waypoints are positioned in clear, sufficiently deep water.
PredictWind uses C-Map depth contours when calculating routes. If a waypoint is too close to land, in shallow water, or inside a marina or harbour, Departure Planning may not be able to calculate a route.
Try moving the waypoint farther offshore into deeper water and calculate the Departure Plan again.
2. Check your Depth Avoidance setting
Check the Depth Avoidance setting in your Routing Preferences.
You can select Land, 2m, 5m, 10m, 20m, or 30m. If the selected depth is too restrictive for the area you are routing through, the router may not be able to find a suitable route.
Select the lowest safe setting appropriate for your boat and route.
3. Check your Boat Polars ( Performance)
Departure Planning requires your Boat Polars to calculate how your boat is expected to perform in different conditions. Check that you have selected the correct boat and that your polar information is complete and accurate.
Predefined Polars: We recommend using a predefined polar where possible. If your exact boat is not listed, select a boat with similar characteristics and performance.
Advanced Polars: Check that all required boat information and polar values have been entered correctly and that the values are realistic for your boat.
AI Polars: Check which Base Polar is selected and make sure it is as close as possible to the performance of your boat.
4. Check your Wave Polars (How your boat performs in waves)
Review your Wave Polars and make sure all your boat dimensions have been entered correctly. Please note that the draught should be measured from the waterline to the top of the keel only. Do not include the depth of the keel itself.
Incorrect or incomplete Wave Polar information can affect the routing calculation or generate an error.
5. Check your Routing Preferences
Review your Routing Preferences and make sure the settings are appropriate for your boat and intended passage.
Pay particular attention to settings that may restrict the routes available to the router, including:
Depth Avoidance
Comfort Settings
Polar speed adjustment
Motoring Settings
Very restrictive settings may prevent the router from finding a route that meets all your selected criteria.
6. Check you have four weather models selected
Departure Planning requires four weather models to be selected.
Check that you have selected your preferred four weather models under Departure Planning Preferences before calculating your Departure Plan.
7. Check any error or warning message
If Departure Planning displays an error or warning message, read the complete message carefully.
The message will often identify the setting or condition preventing the route from being calculated. For example, it may indicate a problem with water depth, boat information, polar data, or selected routing limits.
If you contact PredictWind Support, please include the exact wording of the error message or provide a screenshot.
8. Try calculating the Departure Plan again
Once you have checked your waypoints, boat information and Routing Preferences, calculate a new Departure Plan.
If the problem continues, contact PredictWind Support and include as much information as possible about the route you are trying to calculate, along with any error messages or screenshots you are seeing.