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 +2° Los Angeles +15° Chicago -10° Houston +5° Phoenix +14° Philadelphia +2° Finiks +14° San Antonio +4° San Diego +15° Dallas 0° San Jose +11° Austin +2° Detroit -10° Jacksonville +21° Fort Worth -1° Columbus -3° Indianapolis -4° Charlotte +6° San Francisco +10° Seattle -3° All cities All cities Weather All seas