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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 National Operations Centre Tidal Unit (formerly known as the National Tidal Centre) is a group of experts responsible for providing tidal tables and tidal predictions to the Australian Hydrographic Service. [1]
Sunset Strip is a township on the northern shore of Lake Menindee in the far west of New South Wales, Australia. It is located in the Central Darling Shire about 20 km northwest of Menindee and about 90 km from Broken Hill. At the 2021 census, the town had a population of 42. [1]
Karuah River rises on the southeastern slopes of Gloucester Tops of the Great Dividing Range, below The Mountaineer, southwest of Gloucester, and flows generally southeast and south. joined by eleven tributaries including the Telegherry, Mammy Johnsons, and The Branch rivers, before reaching its mouth within Port Stephens at Karuah, and then flows out to the Tasman Sea of the South Pacific Ocean.
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).
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-by-day even at a given location.
NSW Planning & Environment webpage 1 Shore length is not a well-defined measure . Port Stephens , an open youthful tide-dominated drowned-valley estuary , [ 1 ] is a large natural harbour of approximately 134 square kilometres (52 sq mi) [ 2 ] located in the Hunter and Mid North Coast regions of New South Wales , Australia.
Most of the time, it is a rocky inlet but, at times, depending on prevailing conditions, a sandy beach—known informally as Mackenzies Bay Beach [1] or Mackenzies [2] —comes into existence. Mackenzies Bay is also a well-known surf break. [3] In recent years, the beach existed at times during 2007, [4] 2016, [1] 2019, [5] and 2023. [6]