Map of the River Thames

A passage chart designed for planning and navigating across the North Atlantic between Gibraltar, the Azores and the Canary Islands. Based on official Hydrographic Office data with additional information from across Imray's network, tailored to appropriate scales and level of data for leisure sailors. Imray's award-winning cartography includes a familiar, logical colour scheme, coloured light sectors and fine overprinted latitude and longitude grids to make plotting easier. On this edition the magnetic variation curves have been updated with the latest data. There has been general updating throughout.