Ocean Temperature Todayindex - Oisst is a 0. 25°x0. 25°. As the oceans absorb more heat, sea surface temperature increases, and the ocean circulation patterns that transport warm and cold water around the globe change. We provide free daily current and average sea water temperatures for 12,165 locations in 227 countries. Choose a country below to find the location you want, or search to find the current. Heating in the ocean has continued in 2025 in response to increased greenhouse gas concentrations in the atmosphere, despite the transition from an el niño to neutral. These are key variables used to track the vital signs of the ocean and changes in line with climate change. Sea water temperature presents you with information on current and historical data on temperatures of the oceans, seas, lakes and rivers of the most famous holiday resorts,.
Oisst is a 0. 25°x0. 25°. As the oceans absorb more heat, sea surface temperature increases, and the ocean circulation patterns that transport warm and cold water around the globe change.