American whaling ship Portsmouth visited Lahaina, 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 Lahaina, Hawaii on 20 November by the American whaling ship Portsmouth master Monroe of Warren 30 months out 4.000 barrels whale oil 1.300 barrels whale oil this season.