West Coast Bancorp Posts Loss

West Coast Bancorp reported a net loss of $350,000, or 4 cents per share, for the second quarter, contrasted with net income of $331,000, or 4 cents per share, for the 1990 second quarter. The Orange-based bank holding company attributed the loss to an increase in the provision for loan losses. For the first six months of 1991, net income totaled $404,000, or 4 cents per share, down 43% from the $707,000, or 8 cents per share, posted a year ago. Total assets as of June 30 were $446.1 million, a drop of 4% from the $466.4 million reported for the like period last year.