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  2. Oak Harbor Marina - Wikipedia

    en.wikipedia.org/wiki/Oak_Harbor_Marina

    Oak Harbor Marina is located in Oak Harbor, Washington, [2] between metropolitan Seattle and the San Juan Islands. The marina was built in 1974 [3] and expanded its guest moorage in 1988 with the installation of the floating breakwater. Income from the marina goes into a city enterprise fund dedicated to the facility's operation and maintenance ...

  3. Oak Harbor, WA Weather - Hourly Forecasts and Local ... - AOL

    www.aol.com/weather/forecast/us/oak-harbor-12799061

    Get the Oak Harbor, WA local weather forecast by the hour and the next 10 days.

  4. Whidbey Island - Wikipedia

    en.wikipedia.org/wiki/Whidbey_Island

    Cultus Bay at Low Tide Double Bluff, with Useless Bay to the South (right) and Mutiny Bay to the North (left). Whidbey Island (historical spellings Whidby, Whitbey, [5] or Whitby) is the largest of the islands composing Island County, Washington, in the United States, and the largest island in Washington state.

  5. High tide flood warnings throughout WA state predict ... - AOL

    www.aol.com/high-tide-flood-warnings-throughout...

    High tide flooding will be more common as sea levels rise in cities such as Seattle, Cherry Point and Port Townsend, according to the NOAA. High tide flood warnings throughout WA state predict ...

  6. Tide - Wikipedia

    en.wikipedia.org/wiki/Tide

    Low tide at Bangchuidao scenic area, Dalian, Liaoning Province, China Low tide at Ocean Beach in San Francisco, California, U.S. Low tide at Bar Harbor, Maine, U.S. (2014) The changing distance separating the Moon and Earth also affects tide heights. When the Moon is closest, at perigee, the range increases, and when it is at apogee, the range ...

  7. Oak Harbor, Washington - Wikipedia

    en.wikipedia.org/wiki/Oak_Harbor,_Washington

    Oak Harbor is a city located on Whidbey Island in Island County, Washington, United States. The population was 24,622 at the 2020 census . Oak Harbor was incorporated on May 14, 1915.

  8. 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).

  9. Rule of twelfths - Wikipedia

    en.wikipedia.org/wiki/Rule_of_twelfths

    In many parts of the world the tides approximate to a semi-diurnal sine curve, that is there are two high- and two low- tides per day. As an estimate then each period equates to 1 hour, with the tide rising by 1, 2, 3, 3, 2, finally 1 twelfths of its total range in each hour, from low tide to high tide in about 6 hours, then the tide is ...