he ocean off the western coast of North America is five degrees Fahrenheit hotter than usual after warming at an unusually rapid rate, according to the US National Oceanic and Atmospheric Administration (Noaa). It has been dubbed the “north-east Pacific marine heatwave of 2019”.
https://www.theguardian.com/environment/2019/sep/08/pacific-ocean-marine-heatwave-blog?CMP=share_btn_tw