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Sekondi: coordinates, UTM zone and magnetic declination

Survey data sheet for Sekondi (Ghana) for field work: coordinates, UTM zone, scale factor, grid convergence, today's magnetic declination and geoid undulation, computed for the city center.

Latitude4°56′03.2″ N
Longitude1°42′52.3″ W
Decimal degrees4.93422, -1.71454
UTM zone30N · MC 3° W
UTM (WGS 84)E 642,525 · N 545,531
Scale factor (k)0.999851
Grid convergence+0.1106°
Magnetic declination (today)2.87° W · +7.0′/year
Geoid undulation (EGM2008)N = 23.69 m
Approximate elevation7 m
Time zoneAfrica/Accra (UTC+0)
Population285,506

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)

StationLocationDistance
ACRG ACRG00GHAAccra, Ghana185 km
YKRO YKRO00CIVYamoussoukro, Côte d’Ivoire445 km
BJCO BJCO00BENCotonou, Benin488 km

Tools to use here

FAQ

What UTM zone is Sekondi in?

Sekondi is in UTM zone 30N, with central meridian 3° W. In WGS 84, the city center is at E 642,525 m and N 545,531 m.

What is the magnetic declination in Sekondi?

Today the magnetic declination in Sekondi is 2.87° W, changing by +7.0′ 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 Sekondi?

The geoid undulation (EGM2008) in Sekondi is N = 23.69 m. To convert a GNSS height (ellipsoidal, h) to an approximate orthometric height: H = h − N.

Cities near Sekondi

© GeoNames (CC BY 4.0) · Unicode CLDR · WMM2025 (NOAA/BGS) · EGM2008 (NGA) · IGS

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