The controls are located at the bottom of each chart. Click the plus (+) and minus (-) buttons or drag the slider tool (triangle) left and right to zoom in and out.
Click the arrow buttons to pan left and right or up and down.
Once zoomed in, drag the red box in the navigation in the upper left corner to move around the map.
WARNING: Please use official, full-scale NOAA nautical charts for real-world navigation whenever possible. These are available from authorized NOAA nautical chart sales agents. The online charts on this page do not fulfill chart carriage requirements for regulated commercial vessels under Titles 33 and 46 of the Code of Federal Regulations.
Print-On-Demand Nautical Charts: NOAA's Print-on-Demand (POD) nautical charts provide up-to-date navigation information to mariners. These paper charts are updated on a weekly basis and include all of the latest critical chart corrections. Although NOAA produces POD charts, NOAA does not sell POD charts directly to the public. Instead, POD charts are made available through NOAA's commercial partner OceanGrafix, who has retail agents located throughout the U.S. and overseas.