Hecate Strait Marine Forecast, Warnings and Alerts

Canada

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Hecate Strait

Marine Forecast

Issued 10:30 AM PST 16 December 2025

Today Tonight and Wednesday.

Gale warning in effect.

Wind south 15 to 25 knots increasing to southerly 25 to 35 early this afternoon and to southerly 35 to 45 late this afternoon. Wind veering to westerly 35 to 45 early this evening then diminishing to westerly 25 to 35 late this evening. Wind becoming westerly 25 early Wednesday morning then backing to southerly 25 near noon Wednesday. Wind increasing to southwest 25 to 35 Wednesday evening.

Scattered showers changing to rain near noon then to showers overnight. Risk of thunderstorms late this afternoon and tonight. Risk of thunderstorms Wednesday late in the day.

Winds

Issued 10:30 AM PST 16 December 2025

Today Tonight and Wednesday. Gale warning in effect. Wind south 15 to 25 knots increasing to southerly 25 to 35 early this afternoon and to southerly 35 to 45 late this afternoon. Wind veering to westerly 35 to 45 early this evening then diminishing to westerly 25 to 35 late this evening. Wind becoming westerly 25 early Wednesday morning then backing to southerly 25 near noon Wednesday. Wind increasing to southwest 25 to 35 Wednesday evening.

Waves

Issued 04:00 AM PST 16 December 2025

Hecate Strait - northern half

Today Tonight and Wednesday. Seas 2 to 3 metres subsiding to 1 to 2 near noon then building to 2 to 3 Wednesday evening.

Hecate Strait - southern half

Today Tonight and Wednesday. Seas 4 to 6 metres subsiding to 3 to 5 late this morning and to 2 to 3 Wednesday morning. Seas building to 3 to 5 near noon Wednesday.

Weather & Visibility

Issued 10:30 AM PST 16 December 2025

Today Tonight and Wednesday. Scattered showers changing to rain near noon then to showers overnight. Risk of thunderstorms late this afternoon and tonight. Risk of thunderstorms Wednesday late in the day.

There is no ice forecast issued for this area.

Warnings (In effect)

Gale warning in effect

Hecate Strait

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.

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.

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