PredictWind

• Clean interface, accurate with four forecast models, plus real-time wind conditions, very reliable.
• Suggests best route across wind, wave height, currents as well the best day to set sails. It uses GRIB data from various sources. You can choose your source if you like (eg. if you have a preference for US or European weather models).
• Various add-ons as gust map, routing feature, etc.
• Note that sometimes weather models underestimate the predicted wind speed, - good to consider adding 5-6 knots while planning.
• Get more info and download it here: