Ocean temperature maps show where waters are extraordinarily hot this summer

The Earth’s oceans have never been warmer. Every day since late March, the world’s average sea surface temperature has been well above the previous highest mark for that day. And there will be ripple effects: Marine heat waves are affecting about 44 percent of the global ocean, whereas only 10 percent is typical, and they can have “significant impacts on marine life as well as coastal communities and economies,” according to the National Oceanic and Atmospheric Administration.

Read more at the Washington Post.