The nautical chart is a fundamental
tool of marine navigation. It shows water depths, obstructions, aids to
navigation, channels, shoreline, and more – hopefully all the information
mariners need to navigate safely.
Cape Ann Chart - Interactive chart of Cape Ann
AIS Chart - From MarineTraffic, showing vessel
positions in our area. The Automatic Identification System (AIS) is
an automatic tracking system used on ships and by vessel traffic services (VTS)
for identifying and locating vessels by electronically exchanging data with
other nearby ships and AIS Base stations.
NOAA Nautical Chart Viewer
- Each chart is up-to-date with the most recent Notices to Mariners. Use
these on-line charts as a ready reference or planning tool.
Massachusetts Charts - List of
available charts using NOAA's Online Chart Viewer
Historical Nautical Charts
- Office of Coast Survey's Historical Map & Chart Collection covers the
land and waters of the United States of America, including territories
and possessions (past and present).
Other resources complementing nautical charts can be
found on this page.