A fundamental resource for navigation, Eldridge Tide and Pilot Book supplies critical tidal data for navigation. This captain's companion holds data regarding tidal current flow, velocity, direction and tide charts that are the key to informed piloting. Use this resource in conjunction with up to date charts to predict draft in harbor entrances or to ride the tidal flow to your destination port.

Eldridge was first written in 1854 by cartographer George Eldridge of Chatham, and has been continuously in print since 1875. The Tide and Pilot Book was compiled with son, Capt. George W. Eldridge, and covers the entire east coast, with particularly superior coverage of the northeast. This piloting companion also includes a light list, weather information, and much more. Highly recommended for any east coast navigator.