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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 ...
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).
As tides change in the South Puget Sound, Hammersley Inlet is the only artery through which all water must flow between the Oakland Bay and the greater Puget Sound. As tides change, they force the water through narrow, winding, shallow, Hammersley, producing erratic currents up to 5 knots (9 km/h).
Agate Pass or Agate Passage is a high-current tidal strait in Puget Sound connecting Port Madison and mainland Kitsap County in the US state of Washington. It lies between Bainbridge Island and the mainland of the Kitsap Peninsula near Suquamish. It leads south towards Bremerton, extending about one mile (1.6 km) in a straight, southwesterly ...
The Colvos Passage is a tidal strait within Puget Sound in the American state of Washington running west of Vashon Island between the island and the Kitsap Peninsula. It lies just north of the Dalco Passage. Colvos Passage has a permanent predominantly northbound current, in contrast to the rest of Puget Sound which varies with the tide.
Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon (and to a much lesser extent, the Sun) and are also caused by the Earth and Moon orbiting one another. Tide tables can be used for any given locale to find the predicted times and amplitude (or "tidal range").
Tidal range is the difference in height between high tide and low tide. Tides are the rise and fall of sea levels caused by gravitational forces exerted by the Moon and Sun, by Earth's rotation and by centrifugal force caused by Earth's progression around the Earth-Moon barycenter. Tidal range depends on time and location.
According to the Washington State Department of Transportation, the Hood Canal Bridge is the only floating bridge in the United States constructed on saltwater, [10] although there are others, such as Nordhordland Bridge and Bergsøysund Bridge in Norway. The Hood Canal Bridge accommodates sixteen and a half foot tides.