Port of Spain: coordinates, UTM zone and magnetic declination
Survey data sheet for Port of Spain (Trinidad & Tobago) 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 Port of Spain in?
Port of Spain is in UTM zone 20N, with central meridian 63° W. In WGS 84, the city center is at E 661,998 m and N 1,179,512 m.
What is the magnetic declination in Port of Spain?
Today the magnetic declination in Port of Spain is 15.62° W, changing by −5.3′ 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 Port of Spain?
The geoid undulation (EGM2008) in Port of Spain is N = −41.35 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.
© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS