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Hecate Strait - northern half

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PST 13 December 2025

Tonight and Sunday.

Storm warning in effect.

Wind south 20 to 30 knots becoming southeast 25 to 35 near midnight then veering to southwest 30 to 40 early Sunday morning. Wind increasing to southeast 45 to 60 Sunday afternoon.

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

Waves

Issued 04:00 PM PST 13 December 2025
Today Tonight and Sunday. Seas 1 to 2 metres building to 2 to 3 late overnight and to 3 to 4 Sunday afternoon. Seas building to 4 to 6 Sunday evening.

Extended Forecast

Issued 04:00 PM PST 13 December 2025
Monday Wind southwest 10 to 20 knots increasing to southwest 20 to 30 in the morning then becoming southerly 25 to 35 in the afternoon.
Tuesday Wind southerly 25 to 35 knots diminishing to south 10 to 20.
Wednesday Wind southwest 10 to 20 knots increasing to south 30 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)

Storm warning in effect

Hecate Strait - northern half

Issued 9:30 PM PST 13 December 2025

'Storm' force winds of 48 to 63 knots are 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 9:30 PM PST 13 December 2025 Tonight and Sunday At 9:30 p.m. PST tonight trough located west of Explorer.
By 7:00 a.m. PST Sunday departing trough located over Hecate Strait.

At 7:00 a.m. PST Sunday frontal system located west of Bowie.
By 4:00 p.m. PST Sunday intensifying frontal system located from
Haida Gwaii to Explorer.

Marine Weather Statement

Issued 9:17 PM PST 13 December 2025 A trough will cross Southern Bowie and Northern Explorer tonight,
reaching Hecate Strait early Sunday morning. Gale to storm force
southwesterlies are expected to develop over the offshore
Waters this evening, and then spread across the central and northern
waters overnight.

Another intensifying frontal system will move over Bowie Sunday
morning and reach Haida Gwaii by afternoon. Ahead of the systerm,
gale to storm force southeasterly winds are expected, while gale to
storm force southwesterly winds will develop in its wake.

Mackenzie - Mackenzie River Area

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