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In coastal oceanography, the terms ebb and flood refer to tidal currents. These terms are particularly relevant for tidal inlet systems: estuaries, tidal rivers and lagoons. The ebb current corresponds to seaward flow and the flood current to landward flow.
High Tide Flooding Outlooks. Show when, where, and how often high tide flooding may occur at specific locations. Coastal Condition Forecasts. Nowcast and forecast (out to 48-72 hours) model information on water levels, currents, wind, salinity, and water temperature. Featured News.
Learn about the causes and effects of tides, the regular rise and fall of the sea surface. Find out how flood and ebb currents, the horizontal movement of water, accompany the tides.
High tide flooding is when sea level rise combines with local factors to push water levels above the normal high tide mark. Learn how to classify and visualize high tide flooding, and how it affects coastal communities and infrastructure.
28 de mar. de 2023 · Learn how tides are caused by the gravitational pull of the Moon and the Sun, and how they vary depending on the position and orbit of these bodies. Find out what a flood tide is and how it relates to the change from low to high tide.
They are manifested by vertical movements of the sea surface (the height maximum and minimum are called high water [HW] and low water [LW]) and alternating horizontal movements of the water, the tidal currents. The words ebb and flow are used to designate the falling tide and the rising tide, respectively.
Clicking on one of the station markers displays a pop-up with the latest water level observations, tide predictions and (if available) forecast water levels, overlaid upon known flood impact thresholds.
