North Sea 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 +3° Los Angeles +15° Chicago -5° Houston +9° Phoenix +11° Philadelphia +3° San Antonio +7° San Diego +14° Dallas +7° San Jose +11° Austin +6° Detroit -4° Jacksonville +9° Fort Worth +7° Columbus -4° Charlotte +2° San Francisco +12° Indianapolis -6° Seattle 0° Denver -2° All cities All cities Weather North Sea