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Forecast

Marine Forecast

Issued 07:00 AM MDT 20 October 2021

Today Tonight and Thursday.

Wind southeast 30 knots diminishing to south 20 early this evening and to south 15 late overnight. Wind south 15 Thursday.

Risk of freezing drizzle overnight and Thursday.

Temperatures near zero.

Waves

Issued 07:00 AM MDT 20 October 2021
Today Tonight and Thursday. Seas 1 to 2 metres building to 2 to 3 this morning then subsiding to 2 this evening. Seas subsiding to 1 early Thursday morning.

Extended Forecast

Issued 07:00 AM MDT 20 October 2021
Friday Wind south 15 knots diminishing to light in the morning then becoming east 15 in the afternoon.
Saturday Wind southeast 25 knots diminishing to south 15.
Sunday Wind south 15 knots diminishing to light.

Ice Forecast

Issued 10:00 AM EDT 20 October 2021 Today Tonight and Thursday Open water except 4 tenths new ice in the northwestern section and along parts of the coast. 

[ Canadian Ice Service ]

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Weather Conditions

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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 20 October 2021 Today Tonight and Thursday

Ice Edge

Ice edge is outside the forecast region.

Ice Coverage

Open water except 4 tenths new ice in the northwestern section and
along parts of the coast.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 6:30 AM MDT 20 October 2021 Today Tonight and Thursday At 1200 UTC Wednesday weakening low 991 mb located at 87N 144W.
By 0000 UTC Friday dissipating low 1015 mb located at 86N 104W.

At 1200 UTC Wednesday ridge located over 76N 120W extending
westward.
By 0000 UTC Friday ridge located over 81N 119W extending westward.

At 1200 UTC Wednesday building trough located on a line east-west
over Arctic Coast of Alaska.
By 0000 UTC Friday trough located over Arctic Coast of Alaska to
Banks Island.

Mackenzie - Mackenzie River Area

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