14 icebreaker escort operations performed in eastern part of Gulf of Finland during 24 hours on April c9-10
14 vessels were escorted by icebreakers in the eastern part of the Gulf of Finland during 24 hours on April 9-10, says Ice Operations Headquarters of the Baltic Sea Ports Administration.
Since the beginning of this winter navigation season icebreakers performed 2219 operations including 1181 operations at Big Port St. Petersburg, 350 operations at the port of Vyborg and Vysotsk, 202 operations at the port of Primorsk and 486 operations at the port of Ust-Luga.
8 icebreakers are in operation.
According to Ice Operations Headquarters, the convoy meeting point is at buoy No 4 of the Big Ship Channel (60 degrees 11.5 minutes north latitude; 27 degrees 46.1 minutes east longitude).
Between the entrance buoy and the Dock-Gate Building C-1: consolidated ice of 10-15 cm thick. Between Dock-Gate Building C-1 and buoys No 27-28 of St. Petersburg Seaway Channel: consolidated ice of 10-15 cm thick. Between buoys No 27, No 28 and picket No 132: consolidated ice of 10-15 cm thick. Between picket No 132 and the Golden Gate: highly consolidated ice of 10-15 cm. In the water area of Big Port St. Petersburg: brash ice of 10-15 cm thick and concentration of 3/7ths to 10/10ths.
Between the port of Vyborg and the port of Vysotsk: shore ice of 20-35 cm thick. Between the port of Vysotsk and the Rondo island: 20-30 cm thick shore ice. Between the Rondo and Hally islands - consolidated ice of 25-40 cm thick and further to Buoy No. 4 of Big Ship Channel: mostly ice-free water with floating ice and ice floes of up to 10-20 cm thick.
At port Primorsk: shore ice of up to 25-35 cm thick. Between buoys No 3-4 and the Agamemnon bank: highly consolidated ice of 20-30 cm. Further westwards: the water is mostly ice-free with floating ice of 10-20 cm.
At the port of Ust-Luga: mostly ice-free water. Ice floes of up to 20 cm thick are observed around the 10A anchorage.
Between the convoy meeting point and buoy No 8 of the Big Ship Channel: mostly ice-free water with ice floes of 10-20 cm thick. Between buoy No 8 and the entrance buoy: consolidated ice of 10-25 cm thick.