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Forecast

Marine Forecast

Issued 11:38 AM MDT 27 October 2020

Today Tonight and Wednesday.

Wind southwest 20 knots with gusts to 30 diminishing to light this evening then increasing to southwest 15 near noon Wednesday. Wind veering to west 20 Wednesday afternoon.

Periods of snow. Visibility 1 mile or less in snow.

Freezing spray warning in effect.

Outside the ice edge freezing spray beginning Wednesday afternoon.

Temperatures near minus 7.

Waves

Issued 07:00 AM MDT 27 October 2020
Today Tonight and Wednesday. Outside the ice edge seas 1 metre or less building to 1 to 2 near noon Wednesday.

Extended Forecast

Issued 07:00 AM MDT 27 October 2020
Thursday Wind northwest 20 knots.
Friday Wind northwest 20 knots diminishing to light.
Saturday Wind light.

Ice Forecast

Issued 10:00 AM EDT 27 October 2020 Today Tonight and Wednesday 1 tenth grey-white ice including a trace of multi-year ice except 9 tenths grey-white ice including 1 tenth of multi-year ice in the northwestern section. 

[ Canadian Ice Service ]

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Map of Mackenzie - Mackenzie River marine weather areas Great Slave Lake - 45141 Great Slave Lake North Arm - 45150 Herschel Island Komakuk Beach Shingle Point Airport Aklavik Airport Cape Parry Airport Fort Good Hope Airport Tulita Airport Fort Providence Fort Reliance Fort Resolution Airport Fort Simpson Airport Hay River/Merlyn Carter Airport Inner Whaleback Rocks Inuvik Airport Keats Point Lutselke Airport Norman Wells Airport Paulatuk Airport Pelly Island Tuktoyaktuk Airport Wrigley Airport Yellowknife Airport Liverpool Bay Little Chicago Storm Hills Bathurst Inlet Kugluktuk Airport Hat Island Croker River Cambridge Bay Airport Cape Peel West Gateshead Island Stefansson Island Cape Providence Ulukhaktok Airport Sachs Harbour Airport Thomsen River Prairie River Egg Island Fort Chipewyan Airport Stony Rapids Airport Uranium City
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Ice Conditions

Ice Forecasts

Issued 10:00 AM EDT 27 October 2020 Today Tonight and Wednesday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

1 tenth grey-white ice including a trace of multi-year ice except 9
tenths grey-white ice including 1 tenth of multi-year ice in the
northwestern section.

Warnings

Warnings (In effect)

Freezing spray warning in effect

Banks

Issued 11:38 AM MDT 27 October 2020

Moderate or severe freezing spray is occurring or expected to occur in this marine area. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 6:30 AM MDT 27 October 2020 Today Tonight and Wednesday At 1200 UTC Tuesday low 989 mb located at 81N 133W.
By 0000 UTC Thursday low 998 mb located at 83N 124W.

At 1200 UTC Tuesday low 994 mb located at 76N 170W.
By 0000 UTC Thursday low 1002 mb located over southern Banks Island.

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