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
- NOAA ENC® Viewer provides a continuous depiction of the U.S. coastal
waters as displayed on electronic chart systems. Included ENCs are updated
weekly and include all of the latest Notice to Mariners corrections.
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.