Freex UK : Freex Gliders.  Freex offer an excellent range of gliders, reserves and accessories

XCweather: Near real-time maps of wind & pressure from coastal & airfield METAR stations

Rainfall Radar: UK rainfall radar image from the BBC. Updated every hour or two.

Weather Online: Including  isobars/isotachs-10m, 900hPa Wind vectors ).

Halo: Accurate wind forecast (and cloud,rainfall) animations

Met Office: Weather for Wales

Weatherjack: Excellent thermal predictions (not in winter). Advanced weather links.

Attractive Computers: IT and Computing specialist