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  2. Slack tide - Wikipedia

    en.wikipedia.org/wiki/Slack_tide

    Following low tide, visibility can be reduced as the ebb draws silt, mud, and other particulates with it. In areas with potentially dangerous tides and currents, it is standard practice for divers to plan a dive at slack times. For any vessel, a favourable flow will improve the vessel's speed over the bottom for a given speed in the water.

  3. Tide - Wikipedia

    en.wikipedia.org/wiki/Tide

    The water stops rising, reaching a local maximum called high tide. Sea level falls over several hours, revealing the intertidal zone; ebb tide. Oscillating currents produced by tides are known as tidal streams or tidal currents. The moment that the tidal current ceases is called slack water or slack tide. The tide then reverses direction and is ...

  4. Mouth bar - Wikipedia

    en.wikipedia.org/wiki/Mouth_bar

    A mouth bar is an element of a deltaic system, ... such as wave activity and tides, ... Flood and ebb-dominated sediment transports generate a broad, ...

  5. Richard Castucci - Wikipedia

    en.wikipedia.org/wiki/Richard_Castucci

    Overlooking Revere Beach, the Ebb Tide soon became a "clubhouse" for members of the Patriarca family to socialize and plan crimes. In 1965, the Edward Deegan mob hit was organized there. By the late 1960s, the Ebb Tide had earned such a bad reputation that Castucci changed its name to The Beach Ball.

  6. Columbia Bar - Wikipedia

    en.wikipedia.org/wiki/Columbia_Bar

    The Columbia Bar is a system of bars and shoals at the mouth of the Columbia River spanning the U.S. states of Oregon and Washington. It is one of the most dangerous bar crossings in the world, earning the nickname Graveyard of the Pacific. The bar is about 3 miles (5 km) wide and 6 miles (10 km) long. [1]

  7. Chart datum - Wikipedia

    en.wikipedia.org/wiki/Chart_datum

    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).

  8. Ebb Tide - Wikipedia

    en.wikipedia.org/wiki/Ebb_Tide_(disambiguation)

    Ebb Tide or ebbtide may refer to: Ebb tide, the period between high tide and low tide when the sea level falls; Films and television.

  9. Flat coast - Wikipedia

    en.wikipedia.org/wiki/Flat_coast

    Wadden creek with exposed sandbar during an ebb tide. The littoral series of a flat coast starts in the permanently flooded shallow water region, or shoreface, with a sand or gravel reef (also called a bar). The longshore bar is an elongated ridge of sand found parallel to the shore in the surf zone on many flat coasts. It consists mainly of ...