Ocean & Marine Science — 2026-08-26
Global ocean surface temperatures reached an all-time record high of 21.1°C outside polar regions on August 22, 2026, according to the latest data. Meanwhile, NOAA Fisheries has deployed underwater gliders alongside its long-running CalCOFI survey off the U.S. West Coast, revealing previously under sampled marine life, and a hydrogen fuel cell–powered autonomous underwater vehicle completed a 385-hour, 2,023-kilometer submerged mission in a major validation milestone.
Ocean & Marine Science — 2026-08-26
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The world's oceans reached their hottest recorded temperature on Saturday, August 22, 2026, with the average sea surface temperature outside polar regions hitting 21.1°C, according to the latest data reported by The Guardian on August 24. This unprecedented milestone underscores the accelerating pace of ocean warming and its cascading effects on marine ecosystems, weather patterns, and coastal communities worldwide.
The record-breaking temperature adds to a series of alarming
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