W.e.f. 00-00 of January 25, 2019 icebreaking period is announced in the port of Primorsk basin and approach channels and fairways.
Also, w.e.f. January 26, vessels are not allowed to use Anchorage 10 near the island of Seskar.
Vessels heading for Primorsk are recommended to use Anchorage 6 near the island of Gogland instead.