To seek for the latest on the navigational marks in Zalew Wislany, contact the HM Port of Elblag (phone: 55 234-77-11, Ch 10 VHF, or VTS Zatoka Gdanska: phone 58 621-61-62, 58 621-14-43, Ch 71 VHF, or vtscentrum@umdgy.gov/pl).