General Description
Location: Porkkala is located on the S coast of Finland approx 30nm SW of Helsinki.
General overview: Porkkala Naval Base is one of the main Finnish bases.
Load line zone:
- Summer Zone for ships over 100m in length
- Winter Seasonal Area for ships of 100m or less in length
- Winter Nov 1 to Mar 31
- Summer Apr 1 to Oct 31.
Max size: Draught 9.2m.