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.

Harmful Algal Bloom Forecasts

Regular forecasts for the Gulf of Mexico and Lake Erie.

Coastal Condition Forecasts

Nowcast and forecast (out to 48-72 hours) model information on water levels, currents, wind, salinity, and water temperature.