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Marine Forecast

Issued 05:30 AM EDT 24 September 2023

Today Tonight and Monday.

Gale warning in effect.

Wind north 20 knots diminishing to light early this afternoon then increasing to east 15 after midnight. Wind increasing to east 20 Monday morning and to east 30 Monday afternoon. Wind increasing to northeast 35 Monday evening.

Rain or snow beginning near midnight becoming snow Monday morning. Visibility 1 mile or less in precipitation.

Temperatures near zero.


Issued 05:30 AM EDT 24 September 2023
Today Tonight and Monday. Seas 3 metres subsiding to 2 early this morning and to 1 early this afternoon. Seas building to 2 overnight and to 4 Monday morning and to 5 Monday afternoon. Seas subsiding to 2 Monday evening.

Extended Forecast

Issued 05:30 AM EDT 24 September 2023
Tuesday Wind northeast 35 knots diminishing to north 30 in the morning and to northwest 15 late in the day.
Wednesday Wind north 15 knots veering to east 20 late in the day.
Thursday Wind east 20 knots.

Ice Forecast

Issued 10:00 AM EDT 23 September 2023 Today Tonight and Sunday Open water.These are the last forecasts until further request. 

[ 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 23 September 2023 Today Tonight and Sunday

Ice Edge

First ice edge estimated from 7258N 13920W to 7207N 13509W to 7215N
12914W to Banks Island near 7307N 12451W. 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 7344N 10501W to
Prince of Wales Island near 7346N 10103W. Sea ice northwest of the
ice edge.

Fourth ice edge estimated from Brodeur Peninsula near 7143N 8953W to
7140N 9151W to Nunavut near 6913N 8923W. Sea ice southeast of the
ice edge.

Ice Coverage

Open water.

These are the last forecasts until further request.

Warnings (In effect)

Gale warning in effect


Issued 05:30 AM EDT 24 September 2023

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. Please refer to the latest marine forecasts for further details and continue to monitor the situation through Canadian Coast Guard radio or Weatheradio stations.


Technical Marine Synopsis

Issued 6:30 PM MDT 23 September 2023 Tonight and Sunday At 0000 UTC Sunday low 997 mb located at 70N 104W.
By 0000 UTC Monday weakening low 1006 mb located at 73N 65W.

At 0000 UTC Sunday low 1000 mb located at 79N 123W.
By 0000 UTC Monday weakening low 1008 mb located at 80N 118W.

At 0000 UTC Monday building high 1021 mb located at 72N 104W.

Mackenzie - Mackenzie River Area

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