6302 Sea area S of Hanko 1
| Eiswinter | Anfang | Ende | Saisonlänge | Tage mit Eis | FL.Summe | Vol.Summe | max.Dicke | Restrictions |
| 2026 | 01.Feb 2026 | 16.Feb 2026 | 16 | 16 | 12.2 | 60.0 | 13.0 | nan | 16 | 10 | 10 | 10 | 10 | 3 | 0 | 0 | 0 | 0 |
| 2024 | 12.Jan 2024 | 13.Mar 2024 | 62 | 30 | 4.0 | 37.9 | 27.5 | nan | 30 | 29 | 29 | 29 | 29 | 0 | 0 | 0 | 0 | 0 |
| 2021 | 06.Feb 2021 | 08.Mar 2021 | 31 | 31 | 15.4 | 101.2 | 13.0 | nan | 27 | 27 | 27 | 27 | 27 | 0 | 0 | 0 | 0 | 0 |
| 2018 | 21.Feb 2018 | 01.Apr 2018 | 40 | 38 | 20.2 | 200.6 | 12.5 | nan | 38 | 36 | 31 | 31 | 31 | 0 | 0 | 0 | 0 | 0 |
| 2013 | 22.Jan 2013 | 09.Apr 2013 | 78 | 51 | 18.4 | 217.1 | 27.5 | nan | 51 | 51 | 51 | 51 | 51 | 0 | 0 | 0 | 0 | 0 |
| 2012 | 11.Feb 2012 | 11.Mar 2012 | 30 | 24 | 6.5 | 67.8 | 13.0 | nan | 22 | 22 | 22 | 22 | 22 | 19 | 0 | 0 | 0 | 0 |
| 2011 | 29.Dec 2010 | 31.Mar 2011 | 93 | 77 | 45.8 | 594.5 | 28.0 | nan | 77 | 77 | 72 | 72 | 72 | 52 | 0 | 0 | 0 | 0 |
| 2010 | 14.Jan 2010 | 11.Apr 2010 | 88 | 86 | 53.4 | 768.1 | 27.5 | nan | 84 | 84 | 84 | 84 | 84 | 51 | 0 | 0 | 0 | 0 |
| 2007 | 21.Feb 2007 | 09.Mar 2007 | 17 | 15 | 1.7 | 5.8 | 7.5 | nan | 15 | 15 | 15 | 15 | 15 | 3 | 0 | 0 | 0 | 0 |
| 2006 | 11.Feb 2006 | 27.Apr 2006 | 76 | 62 | 40.4 | 404.4 | 27.5 | nan | 57 | 57 | 57 | 57 | 57 | 22 | 0 | 0 | 0 | 0 |
| 2005 | 26.Feb 2005 | 04.Apr 2005 | 38 | 37 | 23.4 | 167.4 | 12.5 | nan | 37 | 34 | 34 | 34 | 34 | 0 | 0 | 0 | 0 | 0 |
| 2004 | 23.Jan 2004 | 17.Mar 2004 | 55 | 42 | 13.1 | 37.9 | 7.5 | nan | 33 | 33 | 33 | 33 | 33 | 0 | 0 | 0 | 0 | 0 |
| 2003 | 29.Dec 2002 | 01.May 2003 | 124 | 96 | 64.3 | 710.1 | 28.0 | nan | 89 | 89 | 86 | 86 | 86 | 58 | 0 | 0 | 0 | 0 |
| 2002 | 01.Jan 2002 | 31.Jan 2002 | 31 | 12 | 4.7 | 11.6 | 2.5 | nan | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |