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With the combination of strong outgoing tides and large incoming swells, large surf conditions can exist in and around the bar entrance. The Cape Disappointment headland was first charted as "San Roque" by a Spanish explorer named Bruno de Heceta while exploring the Northwest Coast in August 1775. Heceta recognized this was probably the mouth ...
The point of the cape is located on the Pacific Ocean in Washington's Pacific County, approximately two miles (3.2 km) southwest of the town of Ilwaco. [1] Cape Disappointment sees about 2,552 hours of fog a year, which is the equivalent of 106 days—making it one of the foggiest places in the U.S. [2] [3]
The Lewis and Clark Expedition arrived at Cape Disappointment in 1805. [2] In 1862, during the American Civil War, a camp called Post at Cape Disappointment was established and fortifications existed here from that date to protect the northern approaches to the mouth of the Columbia River from possible attacks by Confederate raiders or foreign ...
Tide tables, sometimes called tide charts, are used for tidal prediction and show the daily times and levels of high and low tides, usually for a particular location. [1] Tide heights at intermediate times (between high and low water) can be approximated by using the rule of twelfths or more accurately calculated by using a published tidal ...
The Columbia Bar is part of a set of major marine coastal hazards along the Pacific Northwest coast, including Cape Flattery at the northwest tip of the Olympic Peninsula and Cape Scott, which is at the north tip of Vancouver Island. Historically, the region's mariner's nickname was the Graveyard of the Pacific, and it is studded with thousands ...
Cape Disappointment can refer to: Cape Disappointment (Washington), at the mouth of the Columbia River in western Washington State Cape Disappointment State Park, a state park occupying most of Cape Disappointment commemorating its historical significance; Cape Disappointment (South Georgia) Cape Disappointment (South Orkney Islands)
A chart datum is the water level surface serving as origin of depths displayed on a nautical chart and for reporting and predicting tide heights. A chart datum is generally derived from some tidal phase, in which case it is also known as a tidal datum. [1] Common chart datums are lowest astronomical tide (LAT) [1] and mean lower low water (MLLW).
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