Churchill - eastern half


Marine Forecast

Issued 05:00 PM CDT 27 July 2017

Tonight and Friday.

Wind light increasing to southeast 10 to 15 knots late this evening and to southeast 20 late overnight. Wind increasing to southeast 25 late Friday afternoon then diminishing to south 15 Friday evening.

A few showers near midnight with a risk of thunderstorms. A few showers beginning Friday evening.


Issued 05:00 PM CDT 27 July 2017
Tonight and Friday. Over open water seas 1 metre or less building to 2 late Friday afternoon.

Extended Forecast

Issued 05:00 PM CDT 27 July 2017
Saturday Wind southeast 20 knots increasing to west 25 in the morning.
Sunday Wind northwest 20 knots backing to southwest 20 late in the day.
Monday Wind southwest 25 knots diminishing to southwest 15.

Ice Forecast

Issued 11:00 AM EDT 27 July 2017 Today Tonight and Friday Open water except 2 tenths of first-year ice in the western section. 

[ Canadian Ice Service ]

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Ice Conditions

Ice Forecasts

Issued 11:00 AM EDT 27 July 2017 Today Tonight and Friday

Ice Edge

First ice edge estimated from Ontario near 5510N 8255W to 5600N
8240W to Nunavut near 6205N 9300W. Sea ice southwest of the ice

Second ice edge estimated from Nunavut near 6610N 8550W to
Southampton Island near 6555N 8530W. Sea ice northeast of the ice

Third ice edge estimated from Southampton Island near 6340N 8210W to
6255N 8110W to 6250N 7750W to 6325N 7625W to Baffin Island near
6410N 7640W. Sea ice northwest of the ice edge.

Fourth ice edge estimated from Baffin Island near 6245N 7005W to
6120N 6850W to 6040N 6450W to 6140N 6340W and then northeastward.
Sea ice north of the ice edge.

Ice Coverage

Open water except 2 tenths of first-year ice in the western section.


No watches or warnings in effect.


Technical Marine Synopsis

Issued 4:45 PM EDT 27 July 2017 Tonight and Friday At 0000 UTC Friday trough located from 71N 81W to 63N 70W then to
58N 68W.
By 0000 UTC Saturday trough from 997 mb low located from 73N 88W
to 67N 66W then to 58N 65W.

At 0000 UTC Friday building ridge located from 64N 102W to 51N 80W.
By 0000 UTC Saturday ridge located from 68N 98W to 51N 78W.

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