{"id":924,"date":"2026-07-04T11:38:34","date_gmt":"2026-07-04T11:38:34","guid":{"rendered":"https:\/\/movingandmortgagehub.com\/?p=924"},"modified":"2026-07-04T11:38:34","modified_gmt":"2026-07-04T11:38:34","slug":"on-the-longest-day-of-the-year-ocean-surface-temperatures-hit-a-record-high","status":"publish","type":"post","link":"https:\/\/movingandmortgagehub.com\/?p=924","title":{"rendered":"On the Longest Day of the Year, Ocean Surface Temperatures Hit a Record High"},"content":{"rendered":"
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\"A<\/figure>\n<\/div>\n

This story was originally published b<\/em>y\u00a0the<\/em>\u00a0Guardian\u00a0and\u00a0is reproduced here as part of the\u00a0<\/em>Climate Desk\u00a0collaboration.<\/em><\/p>

Read more Why America at 250 Still Cannot Face Slavery<\/a><\/p>\n

Temperatures on the <\/span>ocean surface have hit a record high, raising fears of another burst of extreme heat this summer.<\/p>\n

On June 21, temperatures outside the polar regions exceeded the extraordinary highs observed at the same time in 2023 and 2024, the Copernicus Climate Change Service said on Wednesday.<\/p>\n

It warned the new peak would probably bring \u201cconsequences for weather patterns, global climate, and marine ecosystems,\u201d not least because it would coincide with the earliest phases of\u00a0an El Ni\u00f1o event\u00a0they forecast to be the strongest in decades.<\/p>\n

When the previous ocean record for June was set in 2023,\u00a0scientists described\u00a0the trends as \u201cworrying,\u201d \u201cterrifying,\u201d and \u201cbonkers\u201d because they were so far outside their expectations. That presaged an El Ni\u00f1o and a period of devastating global heatwaves, floods, and storms.<\/p>\n

That 2023 record has now been surpassed and much of the world is once again seeing an alarming rise in temperatures. Last month, the UK and many other countries in Europe sweltered amid new heat records while\u00a0Antarctica experienced\u00a0unprecedentedly balmy winter conditions.<\/p>\n

Although the focus is usually on land temperatures, oceans give a fuller picture of how much the climate is being pushed out of balance by human-caused warming.<\/p>

Read more The Federal Government Has Made America 250 a Spectacle. These States Want It to Be a Moment for Reflection.<\/a><\/p>\n

Surface temperatures are affected by solar radiation, water currents, and the buildup of heat in the depths.<\/p>\n

Oceans absorb more than 90 percent of the excess energy in the Earth system, which is primarily caused by burning fossil fuels, such as oil, coal, and gas. That imbalance hit a record 23 zettajoules last year, more than double the average of the previous two decades.<\/p>\n

As a result, the oceans are warming at an accelerating rate. In 2020, the amount of heat being added to the oceans was equivalent to about five Hiroshima bombs per second. Last year, it was closer to 11 Hiroshima\u00a0explosions per second. The UN\u2019s secretary general, Ant\u00f3nio Guterres, has warned \u201cEarth is being pushed beyond its limits.\u201d<\/p>\n

Scientists said it was too early to say whether the sea surface heating would prove temporary or even worsen because annual peaks are usually registered in July and August.<\/p>\n

But Carlo Buontempo, Copernicus director at the European Centre for Medium-Range Weather Forecasts, warned it could indicate the beginning of a new phase, leading, once more, to uncharted territory: \u201cWith ocean temperatures at these levels and El Ni\u00f1o on the horizon, we are likely to see more temperature records fall in the coming months.\u201d<\/p>

Read more America is 250 Years Old. Have You Ever Read the Declaration of Independence?<\/a><\/p>\n

Copernicus is part of the EU\u2019s space program.<\/p>\n<\/article>","protected":false},"excerpt":{"rendered":"

Scientists warn of consequences for weather patterns, global climate, and marine life.<\/p>\n","protected":false},"author":1,"featured_media":922,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[],"class_list":["post-924","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-environment"],"yoast_head":"\nOn the Longest Day of the Year, Ocean Surface Temperatures Hit a Record High - Moving and Mortgage Hub<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/movingandmortgagehub.com\/?p=924\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"On the Longest Day of the Year, Ocean Surface Temperatures Hit a Record High - Moving and Mortgage Hub\" \/>\n<meta property=\"og:description\" content=\"Scientists warn of consequences for weather patterns, global climate, and marine life.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/movingandmortgagehub.com\/?p=924\" \/>\n<meta property=\"og:site_name\" content=\"Moving and Mortgage Hub\" \/>\n<meta property=\"article:published_time\" content=\"2026-07-04T11:38:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/movingandmortgagehub.com\/wp-content\/uploads\/2026\/07\/2ce0ffa13757e01fb0dd4b4bdb8e81fb.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"2000\" \/>\n\t<meta property=\"og:image:height\" content=\"1124\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/movingandmortgagehub.com\\\/?p=924#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/movingandmortgagehub.com\\\/?p=924\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\\\/\\\/movingandmortgagehub.com\\\/#\\\/schema\\\/person\\\/6b7c79bcfd888d98f34c5413df7e81a2\"},\"headline\":\"On the Longest Day of the Year, Ocean Surface Temperatures Hit a Record High\",\"datePublished\":\"2026-07-04T11:38:34+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/movingandmortgagehub.com\\\/?p=924\"},\"wordCount\":487,\"commentCount\":0,\"image\":{\"@id\":\"https:\\\/\\\/movingandmortgagehub.com\\\/?p=924#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/movingandmortgagehub.com\\\/wp-content\\\/uploads\\\/2026\\\/07\\\/77fb01355afe6a6ffc368d219b5096a0.webp\",\"articleSection\":[\"Environment\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/movingandmortgagehub.com\\\/?p=924#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/movingandmortgagehub.com\\\/?p=924\",\"url\":\"https:\\\/\\\/movingandmortgagehub.com\\\/?p=924\",\"name\":\"On the Longest Day of the Year, Ocean Surface Temperatures Hit a Record High - 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