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Ocean Facts: What are Kelvin waves?

Ocean Facts: What are Kelvin waves? Kelvin waves aren't visible and don't present like typical ocean waves. In this graphic, satellite radar measurements reveal the sea surface signature of oceanic Kelvin waves where the ocean surface is higher or lower than its long-term average. The yellow color represents elevated sea surface heights at ranges of 0 to 0.25 meters (0 to 10 inches). The red/orange color represents elevated sea surface heights at ranges of 0.25 to at least 1 meter (10 inches to at least 40 inches). (Image credit: NOAA Satellites) Download Image October 14, 2026 Ocean & Coasts ocean facts El Nino, La Nina, ENSO 0 Off

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Ocean Facts: What are Kelvin waves? Kelvin waves aren't visible and don't present like typical ocean waves. In this graphic, satellite radar measurements reveal the sea surface signature of oceanic Kelvin waves where the ocean surface is higher or lower than its long-term average. The yellow color represents elevated sea surface heights at ranges of 0 to 0.25 meters (0 to 10 inches). The red/orange color represents elevated sea surface heights at ranges of 0.25 to at least 1 meter (10 inches to at least 40 inches). (Image credit: NOAA Satellites) Download Image October 14, 2026 Ocean & Coasts ocean facts El Nino, La Nina, ENSO 0 Off

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According to National Oceanic and Atmospheric Administration’s public record item, Ocean Facts: What are Kelvin waves?, Ocean Facts: What are Kelvin waves? Kelvin waves aren’t visible and don’t present like typical ocean waves. In this graphic, satellite radar measurements reveal the sea surface signature of oceanic Kelvin waves where the ocean surface is higher or lower than its long-term average. The yellow color represents elevated sea surface heights at ranges of 0 to 0.25 meters (0 to 10 inches). The red/orange color represents elevated sea surface heights at ranges of 0.25 to at least 1 meter (10 inches to at least 40 inches). (Image credit: NOAA Satellites) Download Image October 14, 2026 Ocean & Coasts ocean facts El Nino, La Nina, ENSO 0 Off

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The development sits in VINI’s Science file for readers following research, health, climate, space, medicine, and scientific institutions. The original report is linked so readers can check the source account, follow later updates, and compare new coverage against the first published record. The source item is dated 2026-10-14T16:10:01+00:00.

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Primary source: Ocean Facts: What are Kelvin waves? via National Oceanic and Atmospheric Administration. VINI cites and links the source; it does not reproduce the publisher’s full article text without rights clearance.

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