Water temperature Black Sea Baltic Sea North Sea Atlantic West Mediterranean Sea Middle Mediterranean Sea East Mediterranean Sea Azoren/Madeira Forecast in other regions United States World New York +7° Los Angeles +10° Chicago -8° Houston +12° Phoenix +11° Philadelphia +6° Finiks +11° San Antonio +8° San Diego +12° Dallas -1° San Jose +6° Austin +4° Detroit -5° Jacksonville +18° Fort Worth -2° Columbus +2° Indianapolis -1° Charlotte +9° San Francisco +5° Seattle -23° All cities All cities Weather All seas