Helgoland
How fast is sea level currently rising?
To answer this question for Helgoland, we compare the sea level trend of the last 50 years with all previous 50-year periods. Since the beginning of data availability (1954), there are 19 overlapping 50-year periods.
Please choose time period

- So far, the largest 50-year trend was in the period of 1968-2017, whereas the smallest trend was in the period of 1954-2003.
- The trend of the last 50 years is within this range of the past.

- The rate of sea level rise over the last 50 years at Helgoland is 3 mm/yr.
- This rate is high (above the median (2.6 mm/yr)) but within the normal range (1.9-3 mm/yr).
- Compared to the past, the current rate is among the top five highest. Note: The normal range refers to the 5-95 percentile range.