Ice Report

ref.: ice report week 49 / 2022 / st.petersburg + ust-luga + vyborg/vysotsk
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current weather: -3C / -7C, cloudy, chance of snow.
 
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 is close new ice 5-10cm thick.
farther westward - mainly open water.
 
port ice breaker ‘ivan kruzenshtern’ is on stand by to assist in case required,
but all vsls are proceeding by their own steam only now
 
in the top of vyborg bay –  there is dark nilas.
further on approaches - mainly open water..
 
in the port of ust-luga and on approaches - mainly open water.
 
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Based on latest official forecast for the December 2022
it is expected that slow or moderate ice formation will be in progress during all month 
and further more intensive ice formation from the January 2023.
 
Generally December 2022 will develop according to moderate type winter.
 
by December 10th, 2022
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)
and farther westward up to the longitude of tolbuhin lighthouse (029 35E)/ at outer road of st.pete
- there will be close new ice 5-10cm thick.
farther westward up to the longitude of shepelevski lighthouse (029 07E) // abt 10 nm off p/stn
- new ice / nilas ice.
farther westward - mainly open water.
 
in the top of vyborg bay –  there will be close ice upto 5-10cm thick.
further on approaches dark nilas/ new ice.
 
in the port of ust-luga and on approaches - mainly open water.
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by December 20th, 2022
 
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)
and farther westward up to the longitude of tolbuhin lighthouse (029 35E)/ at outer road of st.pete
- there will be close new ice 5-10cm thick.
farther westward up to the longitude of shepelevski lighthouse (029 07E) // abt 10 nm off p/stn
- new ice / dark nilas ice.
farther westward - mainly open water.
 
in the top of vyborg bay –  there will be close ice upto 10-20cm thick.
further on approaches dark nilas/ new ice.
 
in the port of ust-luga and on approaches – new ice/nilas.
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by December 31st, 2022
 
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 fast ice 15-30cm thick.
farther westward up to the longitude of shepelevski lighthouse (029 07E) // abt 10 nm off p/stn
- very close ice 10-20cm thick.
farther westward up to the longitude of the island seskar (028 20E) // abt 35 nm off p/stn
- close floating ice 5-10cm thick.
farther westward up to the longitude of the moshchnyy island (027 49E) // abt 50 nm off p/stn
– open new ice/nilas
farther westward - mainly open water.
 
in the top of vyborg bay –  there will fast ice upto 15-30cm thick.
further on approaches - close floating ice 5-10cm thick.
 
in the port of ust-luga and on approaches – close ice 10-20cm thick.
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The provisional forecast of the ice conditions in the Gulf of Finland for winter 2022-2023.
 
It is expected that the ice conditions during the forthcoming winter 2022-2023 will develop
according to moderate type winter. Ice growing progress and thickness will be close to mean annual values.
 
Moderate ice formation commenced in the end of November 2022
but intensive ice formation in Neva Bay is forecasted
from the January 2023.
 
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 2023
and to the longitude of Gogland island (027 00E // abt 80 nm off from roads of st.pete
- week 03-04th / end of January 2023.
 
The maximum development of the ice conditions will be reached in the beginning of March 2023.
In that period fast ice 35 – 50 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 20-30cm thick.
Farther to the longitude of Gogland island (027 00E / abt 80nm off from roads of st.pete) 
-close drifting ice 15 - 25 cm thick is expected. .
 
It is forecasted that the eastern part of gulf of finland will be fully ice free by mid of April 2023,
which is close to mean annual periods.
 
very preliminarily ice restrictions (for the min ice class):
 
for port of st.petersburg, bss experience of previous seasons
min ice class restrictions (it means that vsls without ice class
may be not accepted) may be expected from end of February 2023 – beginning of March 2023
 
for port of ust-luga, bss experience of previous seasons
min ice class restrictions (it means that vsls without ice class
may be not accepted) may be expected from beginning of March 2023
 
for port of vyborg, bss experience of previous seasons
min ice class restrictions may be expected from beginning of February 2023 till middle-end of April 2023
(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  
 
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 (mild/moderate winter)
2021/2022 no min ice class restrictions (mild/moderate winter)
 
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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 6 liner ice breakers: ‘kapitan sorokin’, ‘murmansk’,
‘kapitan nokolaev’, ‘vladivostok’, ‘viktor chernomyrdin’, ‘kapitan dranitsyn’
 
there are 6 port ice breakers: ‘mudjug’, ‘semyon dezhnev’, ‘ivan kruzenshtern’, ‘kapitan plakhin’,
‘kapitan kosolapov’, 'kapitan izmailov'
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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
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 Ice Chart was taken from the site of  Swedish Meteorological and Hydrological Institute