Sea temperatures Estonia Sea temperature Tallinn Created with Highcharts 3.0.8Sea temperature333232354457666660514439JanFebMarAprMayJuneJulAugustSeptOctNovDec0 °10 °20 °30 °40 °50 °60 °70 ° Jan Feb March April May June Jul August sept. Oct nov. dec. Sea temperature33°32°32°35°44°57°66°66°60°51°44°39°