Lamu to Zanzibar. 0100. Course SW by S at 5.5 knots. Wind south force 4 to 5 with broken cloud and lightening becoming cloudy and squally with passing showers. Barometer. 30.03 inches rising to 30.10 at noon before falling to 30.07 inches at midnight. Temperature at noon 85F. 0750. Stopped and examined dhow. 0820. Proceeded WSW. 0925. Observed land WNW. 0945. Mustered by Divisions. Performed Divine Service.1200. Altered course to SW and increased to 70 revolutions – 6.2 knots. Wind SW by S force 4. Positions 3.8S 40.35E. 1600. Wind SSW force 4. Overcast and squally. Altered course to SSW. 1700. Altered course to SW at 6.8 knots. 1830 altered course to SW by S ¼ S. 1900 connected 2nd boiler. Coal expended 17 tons. Number on sick list 10.