At anchor off Chake Chake Bay. Wind SE force 1 with broken cloud. Barometer 30.16 inches rising to 30.22 at 0800 before falling to 30.13 at 1600 and finishing at 30.17 inches at midnight. Temperature at noon. 80F. 0600. Detached Jolly boat and whaler for blockade. 0800. Weighed. 0810. Proceeded out of anchorage. 0910. Increased to 85 revolutions. 0920. Shaped to SW ¼ S. Cleaning ship throughout. 1100. Observed Zanzibar Island on port bow. Position at noon. 5.55S 39.17E. 1300. Course as requisite for Zanzibar.. 1400. Cleaning ship. 1600. Stopped and came to off Zanzibar. 1650. Weighed and shifted berth. 1710. Came to in 12 fathoms and veered to 2 shackles. Let fires die out in two boilers. Distilling with one boiler. Found here HMS Boadicea (Flag), MARINER, STORK SOMALI, PIGEON. Austrian corvette Aurora and French sloop Bouret. 1920. Exercised electric searchlight. Coal expended 12 tons 14 cwt. Number on sick list 10.