These are charts that depict the relief of the sea bottom and illustrate the navigable portion of the water areas. Important data found in these charts are water depth, current force and direction, aids and hazards to navigations, characteristics of the sea bottom, and other information of vital interest to mariners.
NAMRIA is currently maintaining 178 nautical charts in various scales covering the whole country. These charts are classified according to their usage as follows: 81 harbor charts at 1:50,000 scale and larger; 66 coastal charts at 1:50,001 to 1:100,000 scale; 26 general charts at 1:100,001 to 1:600,000 scale; and 5 sailing charts at 1:600,001 scale and smaller.
Please refer to the product catalog for the list of Nautical Charts.