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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 ...
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 Port of Long Beach, administered as the Harbor Department of the City of Long Beach, is a container port in the United States, which adjoins Port of Los Angeles. [3] Acting as a major gateway for US–Asian trade, the port occupies 3,200 acres (13 km 2 ) of land with 25 miles (40 km) of waterfront in the city of Long Beach, California .
For straight-up beach time, head for the sand beneath the cliffs at Torrey Pines State Beach. August: Camp or kayak at Santa Cruz Island The tide laps at Scorpion Anchorage on Santa Cruz Island ...
The beach's consistent surf, exposed to the open Pacific Ocean, established it as one of the earliest and most popular surfing locations in British Columbia. Long Beach features rocky 'islands' in the mid-tidal zone of the beach that are accessible only at low tide; when the tide is high, these islands are either surrounded by water or thrashed ...
Lunar data are available from printed or online tables. Tide tables forecast the time of the next high water. [6] [7] The difference between these two times is the lunitidal interval. This value can be used to calibrate tide clock and wristwatches to allow for simple but crude tidal predictions. Unfortunately, the lunitidal intervals vary day ...
Tide range is the vertical distance between the highest high tide and lowest low tide. The size of the lunar tide compared to the solar tide (which comes once every 12 hours) is generally about 2 to 1, but the actual proportion along any particular shore depends on the location, orientation, and shape of the local bay or estuary.