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Hecate Strait - northern half

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PST 07 December 2025

Tonight and Monday.

Gale warning in effect.

Wind southwest 25 knots backing to south 10 to 20 late this evening then increasing to southerly 30 to 40 late overnight. Wind veering to west 35 to 45 late Monday afternoon then diminishing to west 25 to 35 Monday evening.

Rain changing to showers Monday afternoon. Visibility 1 mile or less in rain.

Waves

Issued 04:00 PM PST 07 December 2025
Today Tonight and Monday. Seas 2 metres subsiding to 1 near midnight then building to 2 to 3 early Monday morning.

Extended Forecast

Issued 04:00 PM PST 07 December 2025
Tuesday Wind southwest 25 to 35 knots diminishing to southwest 15 to 25 in the morning then increasing to southwest 25 to 35 late in the day.
Wednesday Wind northwest 25 to 35 knots diminishing to northwest 5 to 15 late in the day.
Thursday Wind southeast 15 to 25 knots increasing to southeast 25 to 35.

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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 9:30 PM PST 07 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 7 December 2025 Tonight and Monday At 7:00 a.m. PST Monday low 976 mb located west of Bowie.
By 7:00 p.m. PST Monday departing low 982 mb located over the
southern Alaska panhandle.

Marine Weather Statement

Issued 9:09 PM PST 7 December 2025 Remnants of a trough over the northern and central waters will
continue to give southwesterly gales tonight.

A frontal system moving through on Monday will bring storm force
westerlies across Bowie and the northern waters. Hurricane force
gusts are possible with this system, especially over Bowie and west
coast Haida Gwaii northern sections. Southwesterly gales will develop
across Explorer and the southern waters on Monday with this frontal
system, spreading into Juan de Fuca Strait late Monday. Over the
Strait of Georgia southeasterly gales are expected Monday afternoon.

Mackenzie - Mackenzie River Area

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