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Hecate Strait - northern half

Warnings

Forecast

Marine Forecast

Issued 10:30 AM PST 04 December 2025

Today Tonight and Friday.

Gale warning in effect.

Wind light increasing to southeast 15 knots early this evening and to southeast 20 late this evening. Wind increasing to east 25 to 35 after midnight then diminishing to southwest 15 to 25 Friday morning except northeast 20 over northern sections. Wind becoming northwest 20 to 30 Friday afternoon then becoming west 20 Friday evening.

Periods of rain overnight and Friday. Visibility 1 mile or less in rain.

Waves

Issued 04:00 AM PST 04 December 2025
Today Tonight and Friday. Seas 1 metre or less.

Extended Forecast

Issued 04:00 AM PST 04 December 2025
Saturday Wind southwest 20 knots increasing to south 35 late in the day.
Sunday Wind south 35 knots diminishing to southwest 20 to 30 late in the day.
Monday Wind southwest 25 to 35 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 10:30 AM PST 04 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 4 December 2025 Today Tonight and Friday At 4:00 p.m. PST today frontal system located off Bowie.
By 4:00 a.m. PST Friday departing frontal system located on a line
northwest-southeast over eastern Queen Charlotte Sound.

At 4:00 a.m. PST Friday low 998 mb located over western Bowie.
By 4:00 p.m. PST Friday low 996 mb located over Hecate Strait.

Marine Weather Statement

Issued 10:28 AM PST 4 December 2025 An approaching frontal system will track across the offshore waters
tonight and onto the mainland coast Friday morning. Ahead of the
front, strong to gale force southeast winds will develop over
offshore waters this evening and spread to northern and central
waters tonight.

In its wake, winds will shift to southwest gales over northern and
central waters and reach storm force westerlies over offshore areas.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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