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West Coast Haida Gwaii - northern half

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Marine Forecast

Issued 09:30 PM PST 16 December 2025

Tonight and Wednesday.

Gale warning in effect.

Wind northwest 25 to 35 knots becoming west 25 late overnight then increasing to southwest 25 to 35 near noon Wednesday. Wind becoming southwest 20 to 30 early Wednesday evening.

Showers. Risk of thunderstorms overnight and Wednesday late in the day.

Waves

Issued 06:10 PM PST 16 December 2025
Today Tonight and Wednesday. Seas 3 metres building to 4 Wednesday afternoon.

Extended Forecast

Issued 04:00 PM PST 16 December 2025
Thursday Wind southwest 25 to 35 knots becoming westerly 20 to 30 late in the day.
Friday Wind northwest 10 to 20 knots.
Saturday Wind northwest 10 to 20 knots becoming northwest 10.

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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

West Coast Haida Gwaii - northern half

Issued 9:30 PM PST 16 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 16 December 2025 Tonight and Wednesday At 9:30 p.m. PST tonight low 978 mb located over the North Coast.

At 4:00 a.m. PST Wednesday low located over the Gulf of Alaska.
By midnight PST Wednesday low located over northern Bowie.

Marine Weather Statement

Issued 9:23 PM PST 16 December 2025 A low pressure system crossing Haida Gwaii will reach the mainland
North Coast later this evening then move inland. Gale to storm force
southerly to westerly winds are expected across most marine regions.

In the wake of this system, an unstable airmass will be in place
across the region. Strong to gale force westerly winds will persist
through Wednesday.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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