Lewis and Clark reached the Pacific Ocean on Nov. 18, 1805.  They called the place Cape Disappointment because they saw no ships to trade for supplies.

Cape Disappointment (Washington)

Cape Disappointment is a headland located at the extreme southwestern corner of Washington State on the north side of the Columbia River bar, at 46°16′6.13″N 124°5′3.52″W / 46.2683694°N 124.0843111°W / 46.2683694; -124.0843111. The point of the cape is located on the Pacific Ocean in Pacific County, approximately two miles (3.2 km) southwest of the town of Ilwaco. Cape Disappointment receives about 2552 hours of fog a year – the equivalent of 106 days – making it one of the foggiest places in the US.

• http://en.wikipedia.org/wiki/Cape Disappointment (Washington)
• Lewis and Clark: The Journey of the Corps of Discovery