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Hecate Strait - northern half

Warnings

Forecast

Marine Forecast

Issued 10:30 AM PST 08 December 2025

Today Tonight and Tuesday.

Gale warning in effect.

Wind southerly 30 to 40 knots veering to southwest 35 to 45 early this afternoon with gusts to 55 and veering to west 25 to 35 this evening. Wind becoming west 25 near midnight then backing to south 25 Tuesday morning. Wind increasing to south 35 Tuesday afternoon then diminishing to southeast 25 Tuesday evening.

Rain changing to showers this afternoon then to rain Tuesday morning. Visibility 1 mile or less in rain.

Waves

Issued 04:00 AM PST 08 December 2025
Today Tonight and Tuesday. Seas 2 metres building to 3 early this morning then subsiding to 2 after midnight.

Extended Forecast

Issued 04:00 AM PST 08 December 2025
Wednesday Wind southwest 20 to 30 knots diminishing to northwest 10 to 20 in the afternoon.
Thursday Wind northwesterly 10 to 20 knots.
Friday Wind north 15 to 25 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 - northern half

Issued 11:36 AM PST 08 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 8 December 2025 Today Tonight and Tuesday At 10:30 a.m. PST today low 977 mb located over Bowie.
By 7:00 p.m. PST tonight departing low 980 mb located over the
southern Alaska panhandle.

At 10:00 a.m. PST Tuesday frontal system located southwest of the
offshore waters.
By 10:00 p.m. PST Tuesday frontal system located from Hecate Strait
to Vancouver Island.

Marine Weather Statement

Issued 10:34 AM PST 8 December 2025 A frontal system moving through the northern waters today will bring
storm force westerlies across the northern waters. Hurricane force
gusts are possible with this system, particularly over Bowie and
northern section of west coast Haida Gwaii.

Southwesterly gales have developed across Explorer and the southern
waters and will spread into Juan de Fuca Strait this afternoon.
Over the Strait of Georgia southeasterly gales are expected this
afternoon. Winds will ease tonight as the system moves inland.

Another front will approach the offshore waters on Tuesday, bringing
southeast gales to the central and northern waters. Winds will shift
to strong to gale force westerly behind the system Tuesday night.

Mackenzie - Mackenzie River Area

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