Interactive weather from the Met Office
Usseful weather links.
Just click on the picture.
Whatever weather site you use it’s recommended by the experts that you get use to its methodology and stay with it.
From a survey of weather sites in Yachting Monthly and from recommendations from serious racers and experience XCweather delivers consistently accurate weather and delivers detailed forecasts across the UK and Europe. It is based mainly on airport weather stations but it also provides data from offshore stations, whence wave height data is also included.
Met Office Weather
Weather in depth
For blue water sailors:
Frank Singletons weather page has been around for years and is currently hosted by Mailasail the Satellite Comms. people.
Anything you need to know about weather around the world, you can probably find it there or a link to it.
There is also a useful guide to understanding the weather.
Chriss Tibbs weather is mainly focused on the Caribbean, you may know him from articles in various sailing magazines.
Both are retired and have been professional Met Office forecasters.