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Hecate Strait

Forecast

Marine Forecast

Issued 04:00 AM PDT 20 August 2019

Today Tonight and Wednesday.

Storm warning in effect.

Wind southeast 35 knots increasing to southeast 40 to 50 late this morning except southeast 35 over southern sections this afternoon. Wind diminishing to northwest 20 to 25 this evening and to northwest 15 to 20 Wednesday afternoon.

Rain ending late overnight. Visibility as low as 1 mile in rain.

Waves

Issued 04:00 AM PDT 20 August 2019

Hecate Strait - northern half

Today Tonight and Wednesday. Seas 4 to 6 metres building to 5 to 7 this afternoon then subsiding to 3 to 4 late this evening. Seas subsiding to 1 to 2 Wednesday morning.

Hecate Strait - southern half

Today Tonight and Wednesday. Seas 3 to 4 metres building to 4 to 6 early this afternoon then subsiding to 3 to 4 after midnight. Seas subsiding to 1 to 2 Wednesday morning.

Extended Forecast

Issued 04:00 AM PDT 20 August 2019
Thursday Wind light increasing to southeast 25 to 35 knots in the afternoon.
Friday Wind southeast 25 to 35 knots diminishing to southwest 15 to 25.
Saturday Wind southwest 15 knots.

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Weather Conditions

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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

Issued 04:00 AM PDT 20 August 2019

'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 AM PDT 20 August 2019 Today Tonight and Wednesday At 4:00 a.m. PDT today trough located over Haida Gwaii.
By 4:00 p.m. PDT today low located over northern BC interior.

At 4:00 a.m. PDT today weakening trough located over northern
Vancouver Island.
By 4:00 a.m. PDT today weakening trough located over central
BC interior.

At 5:00 p.m. PDT today building ridge located west of the offshore
waters.
By 5:00 p.m. PDT Wednesday ridge located on a line
northeast-southwest over the offshore waters.

At 4:00 a.m. PDT today ridge located on a line north-south over
Victoria.

Marine Weather Statement

Issued 3:39 AM PDT 20 August 2019 A trough of low pressure over Haida Gwaii will swing towards the
Northern BC Interior tonight. Gale to storm force southerlies ahead
of the trough will persist today for most of the offshore, northern
and central waters.

Another trough of low pressure currently offshore will approach
Northern Vancouver Island tonight. Ahead of the trough strong to
Gale force southeasterlies will develop over Southern Explorer, and
along West Vancouver Island tonight.

A ridge of high pressure will build in the wake of the troughs
spreading strong to gale force northerlies over Bowie and
The northern waters tonight. Strong to gale force northwesterlies
will develop over Explorer, and along West Vancouver Island on
Wednesday.

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