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Cobscook Bay State Park is a public recreation area occupying 888 acres (359 ha) on the western shore of Cobscook Bay in Washington County, Maine.The park offers a view of dramatically changing tides that on average can rise to 24 feet (7.3 m) high with some reaching as high as 28 feet (8.5 m).
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 tide has an average range of 18.4 feet (5.6 m) (and range that can exceed 26 feet) and there are strong currents as large volumes of sea water flow into and out of the bay twice a day. [1] The bay is very shallow with the average depth being about 10 metres (33 ft) and about one third of its area is exposed at low water. [ 2 ]
Hammersley Inlet connects the Oakland Bay and Shelton to the greater Puget Sound. It is approximately 8 nautical miles (15 km) of winding, potentially rapidly flowing water. 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.
Tide flow information is most commonly seen on nautical charts, presented as a table of flow speeds and bearings at hourly intervals, with separate tables for spring and neap tides. The timing is relative to high water at some harbour where the tidal behaviour is similar in pattern, though it may be far away.
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.
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.
Looking west across the Straight from Iona Park in Richmond towards Gabriola and Valdes Islands. The Strait of Georgia (French: Détroit de Géorgie) or the Georgia Strait [3] is an arm of the Salish Sea between Vancouver Island and the extreme southwestern mainland coast of British Columbia, Canada, and the extreme northwestern mainland coast of Washington, United States.