Sea Lane off Kazusa Province (Kazusa no kairo), from the series "Thirty-Six Views of Mount Fuji (Fugaku sanjurokkei)"

From 'Thirty-six Views of Mount Fuji,' this nishiki-e depicts the sea passage off the Kazusa coast (modern Chiba Prefecture) with working vessels navigating the waters and Mount Fuji visible across the bay to the southwest. The maritime composition features large cargo vessels — their sails deployed — rendered with Hokusai's attention to naval construction and the mechanics of rigging. The sea is treated with rhythmic wave patterning that contrasts the organic motion of water against the geometric precision of hull and sail. The low horizon positions Fuji at great distance, demonstrating the series' interest in depicting the mountain from locations across a wide geographic range, the mountain present but diminished by the foreground activity of commerce and labor. The prussian blue (bero-ai) pigment Hokusai's printer employed gives the water its characteristic cold intensity. Ropes, masts, and stacked cargo on deck populate the foreground with working maritime detail, situating Mount Fuji not as a solitary sacred object but as a constant background presence to the commercial life of the Edo-period seaways.