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Hecate Strait - northern half

Forecast

Marine Forecast

Issued 04:00 PM PST 23 November 2020

Tonight and Tuesday.

Storm warning in effect.

Wind southeast 40 to 50 knots diminishing to southwest 20 to 30 early this evening then becoming southwest 20 Tuesday afternoon. Wind veering to northwest 15 to 25 Tuesday evening.

Rain changing to showers near midnight.

Waves

Issued 04:00 PM PST 23 November 2020
Today Tonight and Tuesday. Seas 3 to 4 metres subsiding to 2 to 3 this evening and to 1 to 2 late overnight.

Extended Forecast

Issued 04:00 PM PST 23 November 2020
Wednesday Wind northwest 25 to 35 knots diminishing to northwest 15 to 25 in the afternoon then becoming south 15 to 25 late in the day.
Thursday Wind south 15 to 25 knots increasing to south 35 to 45 late in the day.
Friday Wind south 40 to 50 knots diminishing to northwest 30 to 40.

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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Storm warning in effect

Hecate Strait - northern half

Issued 4:00 PM PST 23 November 2020

'Storm' force winds of 48 to 63 knots are occurring or expected to occur in this marine area. 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 4:00 PM PST 23 November 2020 Tonight and Tuesday At 4:00 p.m. PST today departing warm front located on a line
north-south over Hecate Strait.

At 4:00 p.m. PST today cold front located over Langara extending
southwestward.
By 10:30 a.m. PST Tuesday departing cold front located on a line
northeast-southwest over central Vancouver Island.

At 4:00 p.m. PST today low 962 mb located over the Gulf of Alaska.
By 4:00 p.m. PST Tuesday low 993 mb located over Langara.

Marine Weather Statement

Issued 3:30 PM PST 23 November 2020 A warm front over Hecate Strait will move onto the North Coast this
evening. Gale to storm force southeasterlies ahead of the front will
shift to gale to storm force westerly in its wake.

The trailing cold front will track southwards across Vancouver Island
on Tuesday. Ahead of the front, gale force southeasterlies will
develop over South Coast waters Tuesday morning and shift to strong
to gale force westerly in its wake.

The associated low over the Gulf of Alaska will track southwards
across Haida Gwaii Tuesday evening. Storm force westerlies in its
wake will generate seas 10 to 13 metres over Bowie this evening then
spread to west coast Haida Gwaii and Dixon Entrance West overnight.
Seas will build to 8 to 10 metres over central waters on Tuesday and
to 6 to 8 metres over west coast Vancouver Island on Wednesday.

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