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West Coast Haida Gwaii - northern half

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Marine Forecast

Issued 10:30 AM PST 16 December 2025

Today Tonight and Wednesday.

Gale warning in effect.

Wind southwest 15 to 25 knots becoming variable 10 to 20 near noon then increasing to northwest 20 to 30 late this afternoon. Wind becoming northwest 25 to 35 early this evening then becoming west 25 late overnight. Wind increasing to southwest 25 to 35 near noon Wednesday then becoming southwest 20 to 30 Wednesday evening.

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

Waves

Issued 04:00 AM PST 16 December 2025
Today Tonight and Wednesday. Seas 6 to 8 metres subsiding to 4 to 6 early this morning and to 3 to 5 late overnight. Seas building to 4 to 6 Wednesday evening.

Extended Forecast

Issued 04:00 AM 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 10:30 AM 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 10:30 AM PST 16 December 2025 Today Tonight and Wednesday At 10:30 a.m. PST today deepening low 988 mb located over southern
Bowie.
By 10:30 p.m. PST tonight departing low 978 mb located over
Hecate Strait.

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 10:25 AM PST 16 December 2025 A low pressure system will track across northern waters today and
reach the mainland North Coast late tonight 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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