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Marine Forecast

Issued 05:30 AM EDT 21 September 2023

Today Tonight and Friday.

Wind south 20 knots diminishing to south 15 overnight and to light Friday afternoon.

Scattered showers. Fog patches dissipating near noon. Fog patches reforming overnight.


Issued 05:30 AM EDT 21 September 2023
Today Tonight and Friday. Seas 1 to 2 metres subsiding to 1 or less Friday morning.

Extended Forecast

Issued 05:30 AM EDT 21 September 2023
Saturday Wind northwest 15 knots increasing to southeast 35 in the afternoon then diminishing to south 20 late in the day.
Sunday Wind southwest 25 knots diminishing to light.
Monday Wind light increasing to northeast 25 knots late in the day.

Ice Forecast

Issued 10:00 AM EDT 20 September 2023 Today Tonight and Thursday Open water. 

[ 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 September 2023 Today Tonight and Thursday

Ice Edge

First ice edge estimated from 7257N 13836W to 7209N 13531W to 7228N
12820W to Banks Island near 7328N 12422W. Sea ice north of the ice

Second ice edge estimated from Banks Island near 7329N 11518W to
Victoria Island near 7321N 11444W. Sea ice north of the ice edge.

Third ice edge estimated from Victoria Island near 7204N 10456W to
7209N 10313W to Prince of Wales Island near 7230N 10200W. Sea ice
northwest of the ice edge.

Fourth ice edge estimated from Baffin Island near 7100N 8921W to
7035N 9009W to Nunavut near 6913N 8923W. Sea ice southeast of the
ice edge.

Ice Coverage

Open water.


No watches or warnings in effect.


Technical Marine Synopsis

Issued 6:30 PM MDT 20 September 2023 Tonight and Thursday At 0000 UTC Thursday low 996 mb located at 69N 110W.
By 0000 UTC Friday low 996 mb located at 74N 109W.

At 0000 UTC Thursday departing ridge located from 75N 69W to
67N 66W.

Mackenzie - Mackenzie River Area

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