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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).
On nautical charts, the top of the chart is always true north, rather than magnetic north, towards which a compass points. Most charts include a compass rose depicting the variation between magnetic and true north. However, the use of the Mercator projection has drawbacks. This projection shows the lines of longitude as parallel.
Get the Georgetown, Exuma local weather forecast by the hour and the next 10 days.
George Town is a town located on the island of Great Exuma in the Exuma district of the Bahamas. It had a population of 2,488 based on 2012 estimates. [1] The Government Building is a popular tourist attraction inspired by the architecture of the Government House in Nassau. The deep water of Elizabeth Harbour is a popular spot for sea-faring ...
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