840 Wyk on Föhr, harbour
| Eiswinter | Anfang | Ende | Saisonlänge | Tage mit Eis | FL.Summe | Vol.Summe | max.Dicke | Restrictions |
|---|
| 2026 | 03.Feb 2026 | 13.Feb 2026 | 11 | 11 | 6.5 | 69.2 | 13.0 | 15.0 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2021 | 09.Feb 2021 | 18.Feb 2021 | 10 | 10 | 5.9 | 94.0 | 27.5 | nan | 9 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2018 | 28.Feb 2018 | 08.Mar 2018 | 9 | 9 | 5.7 | 76.7 | 27.5 | nan | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2014 | 28.Jan 2014 | 04.Feb 2014 | 8 | 8 | 4.0 | 41.2 | 27.5 | 15.0 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2013 | 24.Jan 2013 | 29.Jan 2013 | 6 | 6 | 1.7 | 11.8 | 7.5 | 10.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2012 | 03.Feb 2012 | 17.Feb 2012 | 15 | 15 | 8.9 | 238.5 | 40.0 | 25.0 | 12 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2011 | 20.Dec 2010 | 02.Mar 2011 | 73 | 37 | 15.4 | 308.1 | 27.5 | nan | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2010 | 09.Jan 2010 | 26.Feb 2010 | 49 | 45 | 31.4 | 642.7 | 28.0 | 50.0 | 30 | 16 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2006 | 24.Jan 2006 | 13.Mar 2006 | 49 | 7 | 0.9 | 2.1 | 2.5 | 3.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2003 | 19.Dec 2002 | 12.Jan 2003 | 25 | 16 | 8.4 | 141.1 | 27.5 | 20.0 | 5 | 4 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1997 | 27.Dec 1996 | 16.Jan 1997 | 21 | 21 | 13.1 | 150.0 | 27.5 | 15.0 | 13 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1996 | 24.Dec 1995 | 26.Feb 1996 | 65 | 61 | 42.0 | 665.6 | 28.0 | nan | 48 | 41 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1994 | 17.Feb 1994 | 26.Feb 1994 | 10 | 10 | 9.3 | 102.0 | 12.5 | 15.0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1991 | 08.Feb 1991 | 19.Feb 1991 | 12 | 12 | 5.2 | 31.9 | 7.5 | nan | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1987 | 12.Jan 1987 | 11.Mar 1987 | 59 | 27 | 24.4 | 212.1 | 12.5 | 8.0 | 24 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1986 | 10.Feb 1986 | 06.Mar 1986 | 25 | 25 | 25.0 | 622.5 | 27.5 | 18.0 | 25 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1985 | 06.Jan 1985 | 09.Mar 1985 | 63 | 51 | 45.6 | 976.5 | 27.5 | 15.0 | 49 | 40 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1982 | 21.Dec 1981 | 07.Feb 1982 | 49 | 45 | 32.8 | 646.0 | 27.5 | 15.0 | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1979 | 02.Jan 1979 | 26.Feb 1979 | 56 | 38 | 0.0 | 0.0 | 0.0 | nan | 35 | 31 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1978 | 17.Feb 1978 | 23.Feb 1978 | 7 | 7 | 0.0 | 0.0 | 0.0 | nan | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1976 | 02.Feb 1976 | 11.Feb 1976 | 10 | 10 | 0.0 | 0.0 | 0.0 | nan | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1972 | 17.Jan 1972 | 14.Feb 1972 | 29 | 29 | 0.0 | 0.0 | 0.0 | nan | 29 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1971 | 07.Jan 1971 | 17.Jan 1971 | 11 | 11 | 0.0 | 0.0 | 0.0 | nan | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1970 | 23.Dec 1969 | 02.Mar 1970 | 70 | 67 | 0.0 | 0.0 | 0.0 | nan | 55 | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1969 | 19.Feb 1969 | 20.Feb 1969 | 2 | 2 | 0.0 | 0.0 | 0.0 | nan | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1968 | 12.Jan 1968 | 16.Jan 1968 | 5 | 5 | 0.0 | 0.0 | 0.0 | nan | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1966 | 16.Jan 1966 | 24.Feb 1966 | 40 | 26 | 0.0 | 0.0 | 0.0 | 15.0 | 24 | 20 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1963 | 27.Dec 1962 | 07.Mar 1963 | 71 | 71 | 0.0 | 0.0 | 0.0 | 30.0 | 71 | 67 | 64 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1962 | 28.Dec 1961 | 31.Dec 1961 | 4 | 4 | 0.0 | 0.0 | 0.0 | nan | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1961 | 26.Jan 1961 | 30.Jan 1961 | 5 | 5 | 0.0 | 0.0 | 0.0 | nan | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1960 | 14.Jan 1960 | 18.Jan 1960 | 5 | 5 | 0.0 | 0.0 | 0.0 | nan | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1959 | 16.Jan 1959 | 17.Jan 1959 | 2 | 2 | 0.0 | 0.0 | 0.0 | 5.0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1956 | 02.Feb 1956 | 28.Feb 1956 | 27 | 27 | 0.0 | 0.0 | 0.0 | nan | 27 | 26 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |