/ the Beaufort Scale - Air masses - Cloud types - Weather patterns associated with pressure and frontal systems - Sources of weather information - Interpret a shipping forecast, weatherfax and weather satellite information - Land and sea breezes - Sea fog - Use of a barometer as a forecasting aid As a reference before sailing, a reminder of what is available for use before going to sea, and a guide to what to look out for and use when sailing, this practical handbook is aimed at skippers and crew of all levels, whether on day cruises or longer ocean-going passages. Spiral bound to lie flat and printed on splashproof paper, it is the ideal hands-on weather-focused passage planning guide, but with lots of tips for use on board it is the essential aide-memoire to have on the boat.