American whaling ship Portsmouth visited Honolulu, Hawaii according to the newspaper The Polynesian dated 2 December 1848

 The New Pictorial and Illustrated Family Magazine established for the diffusion of useful knowledge, vol. III. Robert Sears editor, New York 1846

An item reported the arrival at Honolulu, Hawaii on 25 November of the American whaling ship Portsmouth master Munroe of Warren 4.600 barrels whale oil.