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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 ...
The world's largest mean tidal range of 11.7 metres (38.4 feet) occurs in the Bay of Fundy, Canada (more specificially, at Burntcoat Head, Nova Scotia). [ 4 ] [ 6 ] The next highest, of 9.75 metres (32.0 feet), is at Ungava Bay , also in Canada, [ 4 ] [ 7 ] and the next, of 9.60 metres (31.5 feet), in the Bristol Channel , between England and ...
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).
The Reversing Falls are a series of rapids on the Saint John River, located in Saint John, New Brunswick, Canada, where the river runs through a narrow gorge before emptying into the Bay of Fundy. The semidiurnal tides of the bay force the flow of water to reverse against the prevailing current when the tide is high.
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 ...
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The resulting amplitudes and phases can then be used to predict the expected tides. These are usually dominated by the constituents near 12 hours (the semi-diurnal constituents), but there are major constituents near 24 hours (diurnal) as well. Longer term constituents are 14 day or fortnightly, monthly, and semiannual.
Three Rivers is a village in the Canadian province of New Brunswick. It was formed through the 2023 New Brunswick local governance reforms. It encompasses the former village of Petitcodiac. The Community of Three Rivers includes Elgin, Elgin Parish, areas north of Petiticodiac and a small portion of Salisbury.