Warri: coordinates, UTM zone and magnetic declination
Survey data sheet for Warri (Nigeria) for field work: coordinates, UTM zone, scale factor, grid convergence, today's magnetic declination and geoid undulation, computed for the city center.
Values for the city center (GeoNames coordinate). Declination from the World Magnetic Model 2025 for today's date; geoid from EGM2008. For an exact point, use the tools below.
Nearest GNSS reference stations (IGS)
Tools to use here
FAQ
What UTM zone is Warri in?
Warri is in UTM zone 31N, with central meridian 3° E. In WGS 84, the city center is at E 804,720 m and N 610,558 m.
What is the magnetic declination in Warri?
Today the magnetic declination in Warri is 0.86° W, changing by +5.2′ per year (WMM2025 model). To get the true azimuth, add the declination to the magnetic azimuth (East positive, West negative).
What is the geoid undulation in Warri?
The geoid undulation (EGM2008) in Warri is N = 18.38 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.
Cities near Warri
- Sapele 43 km
- Yenagoa 87 km
- Benin City 92 km
- Ogbia 111 km
- Onitsha 134 km
- Owerri 142 km
- Port Harcourt 162 km
- Aba 185 km
- All cities in Nigeria
© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS