At anchor off Nosi-BC (Nossi-be; Madagascar). Wind NE force 1. Overcast with rain and thunder. Some lightning. Barometer 30.10 inches rising to 30.12 at 0800 before falling to 30.02 at 1600 rising again to 30.14 at 2000 and finishing at 30.06 at midnight. Temperature at noon. 86F. 0400. Steam up in cutter. 0530. Received 120 lbs of fresh beef and 60 lbs of vegetables. 0800. Gave general leave to starboard watch. 0940. Commenced coaling. Employed as requisite. PM As in forenoon. Coal expended 2 tons 18 cwt. Number on sick list 9.