Ocean Facts: What are Kelvin waves?

Ocean Facts: What are Kelvin waves? Kelvin waves are difficult to see with the naked eye as they are large in scale, slow moving, and don't break onshore like typical ocean waves. In this graphic, satellite radar altimetry measurements reveal the sea surface signature of Kelvin waves where the ocean surface is higher or lower than its long-term average. The yellow color represents elevated sea sur

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Threat NoneSingle SourceAgencyConf HighUnited States · Ocean and MarinePublishedStatus: PublishedNOAAOpen original source

Original publisher

NOAA

Original source URL

https://www.noaa.gov/stories/ocean-facts-what-are-kelvin-waves-ext

Source country

United States

Reporting region

Ocean and Marine

Language

Published (UTC)

Oct 14, 2026, 4:10 PM

Ingested (UTC)

Oct 16, 2026, 3:02 PM

Verification

Single Source

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NOAA reported: Ocean Facts: What are Kelvin waves?
Ocean Facts: What are Kelvin waves? Kelvin waves are difficult to see with the naked eye as they are large in scale, slow moving, and don't break onshore like typical ocean waves. In this graphic, satellite radar altimetry measurements reveal the sea surface signature of Kelvin waves where the ocean surface is higher or lower than its long-term average. The yellow color represents elevated sea sur
Source type: agency
Verification: single source
Source country: United States
Published (UTC): 2026-10-14T16:10:01.000Z
Source: NOAA
Original source: https://www.noaa.gov/stories/ocean-facts-what-are-kelvin-waves-ext

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