At sea. Course NW by W ¼ W at 12.2 knots for Zanzibar. Wind NNW force 3 increasing to 4 with broken cloud. Barometer 30.09 inches rising to 30.14 at noon before falling to 30.10 at 1600 and finishing at 30.15 inches at midnight. Temperature at noon 83F. 0530 Observed Mayotte Island ahead. 0610. Altered course to NNW at 12 knots. 0800. Altered course to NW by N. 0910. Mustered by Divisions and read prayers. Exercised at General Quarters – boarders etc. passed up shell. 1000. Altered course to NW by N ½ N. employed scrubbing canvas gear. Party at signal instruction. 1110. Observed Johanna Island on port bow. Noon position 12.9S 44.58E. 1300 Ordinary Seamen at Seamanship instruction. Party at signal instruction. Employed variously. 1500. Disconnected 4th boiler. 1715. Mustered at Quarters. Coal expended 30 tons 19 cwt. Number on sick list 8.