Satellite radar altimeter measurements reveal the sea surface signature of oceanic Kelvin waves. Sea level anomalies show where the ocean surface is higher or lower than its long-term average. The ...

A NOAA oceanographer explains Kelvin waves, their part in El Niño events, and their impacts along the U.S. West Coast.

An El Nino-linked ocean phenomenon could temporarily raise sea levels along the California coast by up to a foot, increasing ...

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As this year’s El Nino continues to strengthen, potentially becoming the strongest on record, its impacts are being felt ...

Scientists have discovered that ocean waves may become far more extreme and complex than previously imagined. The new study, published in Nature today, reveals that under specific conditions, where ...

The measurement took place between December 21, 2024, and January 6, 2025, when Storm Eddie generated waves that traveled more than 15,000 miles (24,000 kilometers) across the globe. ESA scientists ...

The ability to model and predict the size of ocean waves is important for the fishing industry from both logistic and economic perspectives. Essentially, the bigger the waves, the more expensive the ...

On Jan. 15, 2022, the Hunga Tonga-Hunga Ha’apai volcano in Tonga erupted, sending a tsunami racing across the Pacific Ocean in all directions. As word of the eruption spread, government agencies on ...

On the coastline of Gibraltar, blue metal floaters attached to a former World War II ammunition jetty bob up and down, turning the gentle rise and fall of waves into renewable energy. The floaters ...