Built specifically for wind sports. Get precision speed and turn analytics alongside tailored wind, tide, and water quality forecasting.
Completely free.
Session analytics first: tacks, gybes, speed and VMG. When you're checking the forecast, bespoke wind, tide and water-quality ratings for 400+ spots.
Join a growing community of windsurfers, sailors, and foilers pushing their limits. Elite Level Analytics — Incredible Speed details, Turn-by-Turn breakdowns, foiling, polar charts, VMG and more.
Learn moreWing foilers, windsurfers and sailors: join us and log your sessions, tell us what works, and help us build the ultimate watersports tracker.
KnotNow's UK hourly wind forecasts, with tide, swell and water quality customised to your personal “Goldilocks” settings. Tailor what works for the location, your skill level and schedule with live sewage spill info.
Built entirely for wing foilers, windsurfers, and sailors.
Search 400+ spots →Stop guessing how well you sailed — track it, analyse it, improve after every session.
Explore Sessions →UK hourly wind with tide, swell and water quality — customised to your Goldilocks settings for skill, schedule and spot.