National Hydrographic Agency
of Maritime Safety
Hydrography and Oceanography
Shared Ocean
Leading the NHA Project
Welcome to the official website of the National Hydrographic Agency (NHA). The NHA was established by an Act of Parliament in 2021. It provides essential services in ocean meteorology, hydrography, oceanography and national defense, consistent with global best practices. In the course of its operations, the NHA contributes to helping Nigeria fulfil its commitment to international treaties, conventions, and protocols and plays a vital role in safeguarding national maritime interests. As a responsible member of the international maritime community, the NHA ensures compliance with International Hydrographic Organization (IHO) standards.

Marine Safety
Hydrographic Notes
Enable Mariners to make prompt report of navigational hazards. These timely updates play a vital role in maintaining safe navigation and ensuring that maritime routes remain secure and reliable. Coastal Warnings
Alert mariners to navigational risks. These warnings are crucial for ensuring the safety of vessels operating near coastal regions or approaching offshore installations. Local Warnings
Provide crucial updates on harbor-specific hazards. By addressing localized risks, these warnings enable mariners to navigate safely within harbors and their immediate approaches, ensuring efficient port operations and vessel safety.
NAVAREA II Warnings
Vital alerts about potential navigation hazards, such as drifting debris, maritime military exercises, or adverse sea conditions within the NAVAREA II region, covering the Eastern Atlantic and parts of West Africa, as part of the global WWNWS framework.
Notices to Mariners
Enable Mariners to make prompt report of navigational hazards. These timely updates play a vital role in maintaining safe navigation and ensuring that maritime routes remain secure and reliable.
Meteorological Info.
Alert mariners to navigational risks. These warnings are crucial for ensuring the safety of vessels operating near coastal regions or approaching offshore installations. Products & Services

Nautical Publications

Nautical Charts

Survey Permit

Tides and Tidal Predictions
Our Survey Fleet
Our survey fleet is fully equipped with advanced technology, enabling precise and comprehensive data collection across large marine territories.