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Hecate Strait - northern half

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PST 06 December 2025

Tonight and Sunday.

Gale warning in effect.

Wind south 35 knots diminishing to south 25 early Sunday morning then increasing to southwest 30 to 40 near noon Sunday. Wind diminishing to southwest 25 Sunday evening.

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

Waves

Issued 04:00 PM PST 06 December 2025
Today Tonight and Sunday. Seas 1 metre building to 2 after midnight.

Extended Forecast

Issued 04:00 PM PST 06 December 2025
Monday Wind south 35 knots veering to west 45 in the afternoon.
Tuesday Wind southwest 25 to 35 knots diminishing to southwest 15 to 25.
Wednesday Wind northwest 25 to 35 knots diminishing to northwest 5 to 15 late in the day.

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

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Hecate Strait - northern half

Issued 9:30 PM PST 06 December 2025

'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.

Synopsis

Technical Marine Synopsis

Issued 9:30 PM PST 6 December 2025 Tonight and Sunday At 9:30 p.m. PST tonight quasi-stationary low located over the
Gulf of Alaska.

At 9:30 p.m. PST tonight trough located over western Bowie.
By 4:00 a.m. PST Sunday trough located from Haida Gwaii to Explorer.

At 10:00 a.m. PST Sunday trough located over Bowie.
By 4:00 p.m. PST Sunday trough located on a line east-west over
Cape St. James.

Marine Weather Statement

Issued 9:29 PM PST 6 December 2025 The first in a series of troughs will move across the offshore waters
this evening. Ahead of the trough, southwesterly gales will continue
over the central and northern waters tonight. These gales will
persist through Monday as additional troughs track across the region.

Mackenzie - Mackenzie River Area

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