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The Colvos Passage is a tidal strait within Puget Sound in the American state of Washington running west of Vashon Island between the island and the Kitsap Peninsula. It lies just north of the Dalco Passage. Colvos Passage has a permanent predominantly northbound current, in contrast to the rest of Puget Sound which varies with the tide.
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 Washington State Ferries (WSF) are a state-run ferry system that connects the larger islands of Puget Sound the Washington mainland, and the Olympic and Kitsap Peninsulas. Its vessels carry both passengers and vehicular traffic. The system averaged 24.3 million passengers in the 2010s [53] and 17.2 in 2022 with the COVID-19 pandemic. [54]
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 ...
Bathymetric map of the Columbia River mouth: isobaths at five-foot (1.5 m) intervals, 15–310 feet (4.6–94.5 m). Sandbars in yellow. 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.
The Puget Sound region is a coastal area of the Pacific Northwest in the U.S. state of Washington, including Puget Sound, the Puget Sound lowlands, and the surrounding region roughly west of the Cascade Range and east of the Olympic Mountains. It is characterized by a complex array of saltwater bays, islands, and peninsulas carved out by ...
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 king tide is the highest predicted high tide of the year at a coastal location. It is above the highest water level reached at high tide on an average day. When is a king tide?