World’s oceans hit hottest temperature on record in August
Average sea surface temperature outside polar regions was 21.1C on Saturday, latest data finds The world’s oceans were hotter than ever previously recorded on Saturday, according to the latest data. The average surface temperature was 21.1C, with the rising marine heat a stark indicator of the climate crisis. More than 90% of the heat trapped by carbon dioxide from fossil fuel burning enters the oceans. The Guardian’
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- 24 Aug 2026, 12:55 UTC
- Last checked
- 25 Aug 2026, 11:27 UTC
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27b1fa971f26...e4d169
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Recorded article metadata
- Publisher
- The Guardian
- Country
- England / United Kingdom
- Source published
- 24 Aug 2026, 12:49 UTC
- Source updated
- No update timestamp supplied
- Byline
- Damian Carrington Environment editor
- Section
- Oceans
Average sea surface temperature outside polar regions was 21.1C on Saturday, latest data finds The world’s oceans were hotter than ever previously recorded on Saturday, according to the latest data. The average surface temperature was 21.1C, with the rising marine heat a stark indicator of the climate crisis. More than 90% of the heat trapped by carbon dioxide from fossil fuel burning enters the oceans. The Guardian’
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World’s oceans hit hottest temperature on record in August
Average sea surface temperature outside polar regions was 21.1C on Saturday, latest data finds The world’s oceans were hotter than ever previously recorded on Saturday, according to the latest data. The average surface temperature was 21.1C, with the rising marine heat a stark indicator of the climate crisis. More than 90% of the heat trapped by carbon dioxide from fossil fuel burning enters the oceans. The Guardian’
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World’s oceans hit hottest temperature on record in August
Average sea surface temperature outside polar regions was 21.1C on Saturday, latest data finds The world’s oceans were hotter than ever previously recorded on Saturday, according to the latest data. The average surface temperature was 21.1C, with the rising marine heat a stark indicator of the climate crisis. More than 90% of the heat trapped by carbon dioxide from fossil fuel burning enters the oceans. Continue read
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- machine content-type Reported news observable-rules-v1 / 70% rule confidence
- publisher category Climate crisis rss-category
- publisher category El Niño southern oscillation rss-category
- publisher category Environment rss-category
- publisher category Extreme heat rss-category
- publisher category Oceans rss-category
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Evidence layer
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- Capture ID
- #2000
- Observed
- 24 Aug 2026, 13:10 UTC
- HTTP result
- 200 / parsed
- Raw payload
- 463,517 bytes, private gzip evidence
- Collector
- news-ledger/0.1
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- metadata and excerpt