Wednesday, 28th September 1768

A Fresh Trade wind and Hazey weather. The Variation of the Compass by the mean of Several Azimuth taken this Evening 12 degrees 46 minutes, and in the Morning by the same Method 12 degrees 43 minutes West. This day's Log and Observed Latitude agree, which is not reconcilable to Yesterday. Exercised the People at Small Arms. Wind North-East, East-North-East; course South 12 degrees 30 minutes West; distance 150 miles; latitude 18 degrees 59 minutes North; at noon, Peak of Teneriff North 23 degrees 15 minutes East, 204 leagues.