Explore seafloor topography using NOAA's high-resolution bathymetry data. View underwater features like reefs, ledges, and channels. Access maps offline without a subscription.
by Jorma Rodieck★ 5.05 ratingsNavigation$9.99Data updated 2026-10-20
Access real-time weather and ocean data using GRIB files. Input sailing boat polar data and minimum engine speed for route planning. View forecasts, track storm movements, and analyze wind and wave conditions.
The app calculates sailing routes using GPS position, boat polar charts, and wind forecasts. It displays real-time sailing data, logs boat positions, and includes charting tools for route design and weather routing.
The app provides a planner and guide for the River Thames and Wey Navigation. It includes an interactive map, journey planner, lock details, bridge headways, and river conditions.
