NOAA Tides and Currents
High and Low Water Conditions.
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PORTS®
An integrated system of sensors concentrated in seaports across the U.S. that provide accurate and reliable real-time information about environmental conditions.
Coastal Inundation Dashboard
Provides real-time and historical coastal flood information at select locations.
Tide Predictions
Official U.S. high and low tide predictions.
High Tide Bulletin
Shows each region of the U.S. when, where and why their region may experience higher than normal high tides.
Coastal Condition Forecasts
Nowcast and forecast (out to 48-72 hours) model information on water levels, currents, wind, salinity, and water temperature.
Featured News
NOAA PORTS® Turns 30: Celebrating the Growth of a National Maritime Observational Network
July 20, 2021
As NOAA’s Physical Oceanographic Real Time System, or PORTS, program celebrates its 30th year, we invite you to discover the features of today’s systems and learn how they support safe maritime commerce.
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