Anchorages in Gulf of Bothnia

Isostatic uplift 8mm/year — chart data outdates rapidly

The Gulf of Bothnia rises 8mm per year — the fastest isostatic uplift in the world. Chart data becomes outdated faster here than anywhere in Europe. Use only the most current digital charts available. Salinity is near-zero (0.3%) — almost fresh water, different antifouling requirements. Provisioning is extremely limited north of Härnösand — carry full stores.