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Coastal processes

Waves and nearshore currents

Different types of waves and currents mean different things along a shoreline. Learn more, and learn how these waves and currents form.

Storm surges, seiches and edge waves

There are temporary rises in water levels that can cause flooding and shore damage. There are two main types: storm surges and seiches (say-chez, or say-shes). A rare third type is an edge wave.

Climate change models

Models about climate change predict adjustments in Great Lakes water levels.

Great Lakes hydrologic model response to global circulation models

Explanation for the predictions of water level changes that are based on models.