HARNAI Anchorage Chart 2077 Position. Harnai (17° 49' N, 73° 06' E) is a small town at which local and fishing vessels call regularly. Offshore danger: An islet, from which below-water rocks extend 3 cables W, lies close S of the promontory projecting from the coast abreast Harnai. The waters between Janjira fort and main land are not navigable without local knowledge even by smaller crafts. Storm signals are displayed from Harnai Lighthouse (17° 48'.5 N, 73° 05'.4 E), the brief system is used. Anchorage may be obtained 8 cables S of Harnai Light in depths of about 3.3 m, mud. Harnai Promontory affords shelter, suitable only for small boats, from NW winds.