Ice Report

ref.: ice forecast for December 2021 / st.petersburg + ust-luga + vyborg/vysotsk
==
current weather: -5C / -7C, cloudy, high chance of snow.
 
no ice in the eastern part of Gulf of Finland so far
 
in the harbours of the port of st.petersburg and farther westward in the sea
channel up to the longitude of kronstadt dam (029 40E) -open water.
westward up is ice-free.
 
in the top of vyborg bay –  open water.
 
in the port of ust-luga and on approaches- open water.
 
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Basis latest official forecast for the December 2021
it is expected that ice formation will be in progress in the begging
but further from the middle-end on December 2021
ice formation most probably will slow down and will be with interruptions
till end of month.
Generally December 2021 will develop according to mild type winter.
 
by December 10th, 2021
in the harbours of the port of st.petersburg and farther westward in the sea
channel up to the longitude of kronstadt dam (029 40E)
- there will be new ice/dark nilas spots
farther westward – mainly open water with very open dark nilas spots.
 
in the top of vyborg bay –  there will be new ice/new ice.
in the entrance - mainly open water.
 
in the port of ust-luga and on approaches - open water.
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by December 20th, 2021
 
in the harbours of the port of st.petersburg and farther westward in the sea
channel up to the longitude of kronstadt dam (029 40E)
- there will be new ice and sludge,
farther westward – open new ice/dark nilas.
 
in the top of vyborg bay –  there will fast ice upto 10cm thick close to shore line.
further on approaches dark nilas/ new ice and sludge.
 
in the port of ust-luga and on approaches - mainly open water.
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by December 31st, 2021
 
in the harbours of the port of st.petersburg and farther westward in the sea
channel up to the longitude of kronstadt dam (029 40E)
- there will be close new ice/nilas ice,
farther westward up to the longitude of tolbuhin lighthouse (029 35E)/ at outer road of st.pete
- open new ice/nilas ice.
farther westward - mainly open water.
 
in the top of vyborg bay –  there will fast ice upto 10-20cm thick.
further on approaches dark nilas/ new ice.
 
in the port of ust-luga and on approaches - mainly open water.
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The provisional forecast of the ice conditions on the Gulf of Finland for winter 2021-2022.
 
It is expected that the ice conditions during the forthcoming winter 2021-2022 will develop
according to moderate type or mild type winter. Ice growing progress and thickness will be lower than mean annual values.
 
Intensive ice formation in Neva Bay is forecasted
from the January 2022.
 
The expected time of appearance of drifting ice:
up to the seskar island (028 24E // abt 30 nm off from outer road of st.pete)
– week 02-03 / second half of January 2022
and to the longitude of Gogland island (027 00E // abt 80 nm off from roads of st.pete
- week 05-06th / begging of February 2022.
 
The maximum development of the ice conditions will be reached in the middle of February 2022,  
which is two weeks earlier than mean annual periods.
In that period the fast ice 35 – 45 cm thick is expected in the harbours of the port of st.petersburg
and upto the Kronshtadt dam / outer road of st.pete.
Farther up to the seskar island (028 24E // abt 30 nm off from outer road of st.pete)
- there will be very close, hummocked ice 25-35cm thick.
Farther to the longitude of Gogland island (027 00E / abt 80nm off from roads of st.pete) 
-close drifting ice 10 - 20 cm thick is expected. .
 
It is forecasted that the eastern part of gulf of finland will be fully ice free by mid of April 2022,
which is close to mean annual periods.
 
very preliminarily ice restrictions (for the min ice class):
 
for port of st.petersburg, bss experience of seasons 2018-2019, 2019-2020, 2020-2021
(we had moderate/mild winters as well)
there may be no min ice class restrictions at all
(it means that vsls without ice class most probably will be accepted all ice season 2021-2022,
but only with ice breaker assistance for some periods)
 
for port of ust-luga, bss experience of seasons 2018-2019, 2019-2020, 2020-2021
(we had moderate/mild winters as well)
there may be no min ice class restrictions at all
(it means that vsls without ice class most probably will be accepted all ice season 2021-2022,
but only with ice breaker assistance for some periods)
 
for port of vyborg, bss experience of seasons 2018-2019, 2019-2020, 2020-2021
(we had moderate/mild winter as well)
min ice class restrictions may be expected from beg-mid of February 2022 till mid-end of March 2022
(it means that vsls without ice class may be not accepted
to call the port for subj period)
 
in any case ice restrictions will be officially announced by Harbour Master 14 days in advance  
 
portcall of restricted vsls will not be approved by Harbor Master,
exceptions only for vsls with DWT more then 30,000 and age less then
15 years with special Ice Safety Certificate issued by Russian Register
 
pls find below ice class restrictions for st.petersburg during last years asf:
 
1999/2000 jan 26th 2000 apr 17th 2000
2000/2001 feb 5th 2001 apr 17th 2001
2001/2002 jan 1st 2002 apr 4th 2002
2002/2003 dec 9th 2002 may 5th 2003 (abnormal severe winter)
2003/2004 feb 1st 2004 apr 19th 2004
2004/2005 feb 2nd 2005 apr 15th 2005
2005/2006 jan 6th 2006 apr 28th 2006
2006/2007 feb 1st 2007 apr 06th 2007
2007/2008 jan 10th 2008 apr 04th 2008
2008/2009 jan 05th 2009 apr 06th 2009
2009/2010 dec 22nd 2009 apr 26th 2010 (severe winter)
2010/2011 dec 6th 2010 may 7th 2011 (extremely severe winter)
2011/2012 jan 27th 2012 apr 25th 2012
2012/2013 feb 20th 2013 mar 19th 2013
2013/2014 no min ice class restrictions (mild winter)
2014/2015 no min ice class restrictions (mild winter)
2015/2016 no min ice class restrictions (mild winter)
2016/2017 no min ice class restrictions (mild winter)
2017/2018 mar 07th 2018 apr 14th 2018
2018/2019 no min ice class restrictions (mild winter)
2019/2020 no min ice class restrictions (extremely mild winter)
2020/2021 no min ice class restrictions
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local ice breakers fleet will standby to assist
the forthcoming ice traffic to ports of st.petersburg, vysotsk,
primorsk, vyborg and ust-luga.
 
there are 7 liner ice breakers: ‘kapitan sorokin’, ‘ermak’, ‘murmansk’,
‘kapitan nokolaev’, ‘vladivostok’, ‘sant-petersburg’, ‘viktor chernomyrdin’  
 
there are 7 port ice breakers: ‘mudjug’, ‘semen degnev’, ‘ivan kruzenshtern’, ‘kapitan plakhin’,
‘kapitan zarubin’, 'kapitan izmailov', ‘yuriy lisyansky’
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for updated ice conditions report/forecast pls visit our home page
http://neva-delta.com
HM office warning:
Every ship, navigating in ice, shall have available all the necessary supplies of fuel,
fresh water and provisions for at least 20 days.
All ships proceeding in ice conditions to and out of the sea port when in ice convoy with ice-breaker
shall ensure manual mode of  the main engine control whenever necessary.
Ship’s company manual must have ice clause (instructions from Owners)
in case of its absence PSC/MoU may punish the master/vsl
should you require any further information/assistance
please do not hesitate to contact us at any time
 

Ice Chart was taken from the site of  Swedish Meteorological and Hydrological Institute