The index gives an indication of how favourable conditions are forecast to be for fishing.
The best is 10, 0 is the worst. The index is generated by considering forecast temperatures, wind speed, rainfall etc. For example, if it is too cold or too warm this will score the index down, likewise if it raining.
You may also want to check out the standard forecasts for this location.
Hot and thundery summer?
Will the relentless rain relent for Easter?
Cheltenham Festival weather
A close to average spring?
Spring 2024 UK weather
Daily weather by email
14 day outlook
Monthly outlook
Seasonal outlook
Christmas weather
See the Model inventory for the full list of model charts and data