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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 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.
Characteristics. Types of tides (See Timing (below) for coastal map) Four stages in the tidal cycle are named: The water stops falling, reaching a local minimum called low tide. Sea level rises over several hours, covering the intertidal zone; flood tide. The water stops rising, reaching a local maximum called high tide.
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.
Learn about high tide flooding, the overflow of water that covers dry coastal land during high tides. Find out how to plan for and mitigate its impacts with NOAA's interactive products, outlooks, and data.
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.
Find local water levels, tide and current predictions, and coastal flood information for various regions in the U.S. and its territories. Learn about NOAA's sensors, models, and data products for environmental assessment and prediction.
