NHO Services

Collect , with systematic surveys at sea, along the coast and inland, georeferenced data related to :

  • Shoreline configuration, including man made infrastructure for maritime navigation i.e. all those features on shore that are of interest to mariners
  • Depths in the area of interest ( including all potential hazards to navigation and other marine activities)
  • Sea bottom composition
  • Tides and currents

Process the information collected in order to create organized databases capable of feeding the production of thematic maps, nautical charts and other types of documentation for the following most common uses :

  • Maritime navigation and traffic management
  • Naval operations
  • Coastal zone management
  • Marine environment preservation
  • Exploitation of marine resources and laying of submarine cables / pipelines
  • Maritime boundaries definition ( Law of the Sea implementation)
  • Scientific studies

Nautical Charts Published by NHO

  • Colombo Harbour & Approaches
  • Approaches to Weligama – Matara
  • Galle Harbour & Approaches
  • Approaches to Hambantota
  • Trincomalee Harbour
  • Oluvil Harbour
  • Kankasanthurai Harbour
  • Approaches to Norochcholai Coal Power Plant

Fishery Harbours  

  • Beruwala Fishery Harbour
  • Weligama Bay
  • Negombo Lagoon
  • Tangalle Fishery Harbour
  • Dickowita Fishery Harbour

Maps indicating international boundaries  for Fishing in International Waters

  • Map for the Northern Indian Ocean
  • Map for Southern Indian Ocean
  • Map for the Arabian Sea

Electronic Navigation Charts (ENC's)

  • Colombo Port
  • Galle Port
  • Hambantota Port

Map list