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Hecate Strait - northern half

Warnings

Forecast

Marine Forecast

Issued 10:30 AM PST 15 December 2025

Today Tonight and Tuesday.

Gale warning in effect.

Wind southwest 20 to 30 knots increasing to southwest 30 to 40 late this afternoon then diminishing to southwest 25 early Tuesday morning. Wind increasing to southerly 25 to 35 late Tuesday morning then veering to westerly 25 to 35 Tuesday evening.

Scattered showers. Risk of thunderstorms tonight and Tuesday afternoon and evening. Visibility 1 mile or less in showers.

Waves

Issued 04:00 AM PST 15 December 2025
Today Tonight and Tuesday. Seas 2 to 3 metres subsiding to 1 to 2 early this morning then building to 2 to 3 early this evening. Seas subsiding to 1 to 2 Tuesday morning.

Extended Forecast

Issued 04:00 AM PST 15 December 2025
Wednesday Wind westerly 25 to 35 knots becoming southwest 20 to 30 in the morning then becoming southwest 25 to 35 in the afternoon.
Thursday Wind southwest 20 to 30 knots.
Friday Wind variable 5 to 15 knots.

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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

Issued 10:30 AM PST 15 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.

Storm warning in effect

Hecate Strait - northern half

Issued 9:30 PM PST 14 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 10:30 AM PST 15 December 2025 Today Tonight and Tuesday At 10:30 a.m. PST today cold front located from Port Hardy to
Explorer.
By 4:00 p.m. PST today departing cold front located over Juan de
Fuca Strait.

At 4:00 p.m. PST today trough located west of Bowie.
By 4:00 a.m. PST Tuesday departing trough located over the North
Coast.

At 10:00 a.m. PST Tuesday deepening low 988 mb located over
southern Bowie.
By 4:00 p.m. PST Tuesday low 979 mb located over Haida Gwaii.

Marine Weather Statement

Issued 10:17 AM PST 15 December 2025 A cold front will slide southeastward across the southern waters
today and then move inland this evening. Southerly gales are expected
ahead of the front, while strong to gale force westerly winds will
develop in its wake.

Another trough will cross northern waters tonight bringing gale to
storm force southwesterlies.

The active weather pattern continues on Tuesday with a broad low
producing southerly to westerly gales across most marine regions.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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