What app can help me plan a multi-day sailing trip by checking wind forecasts and ocean conditions?

Windy.com is a top-tier choice for sailors and boaters planning extended voyages. Its core strength lies in presenting complex meteorological data for marine environments in a highly visual, map-centric format. For trip planning, users can layer forecasts for wind speed and direction, wave height and period, and ocean currents. The app integrates multiple forecast models, including the specialized ECMWF and GFS, allowing for comparison to assess prediction confidence. A user can set a route and use the timeline slider to see how conditions are expected to evolve over the coming days, which is critical for timing departures and identifying potential weather windows.

However, the sheer density of data presents a learning curve. New users may need time to understand the icons and map overlays, and interpreting the differences between forecast models requires some basic meteorological knowledge. Reviews indicate the interface, while powerful, is not always intuitive for immediately answering simple questions like the exact start time of rain. For sailors, though, the precision of wind vector maps and detailed swell data often outweighs this initial complexity. The app's utility extends to checking secondary factors like visibility, precipitation, and atmospheric pressure, all of which contribute to a comprehensive safety assessment before and during a trip.