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Hecate Strait - northern half

Forecast

Marine Forecast

Issued 04:00 AM PDT 04 August 2021

Today Tonight and Thursday.

Gale warning in effect.

Wind southeast 35 knots diminishing to south 20 to 30 this afternoon and to south 15 late this evening. Wind south 10 to 20 Thursday.

Rain ending overnight. Showers Thursday afternoon and evening.

Waves

Issued 04:00 AM PDT 04 August 2021
Today Tonight and Thursday. Seas 2 to 3 metres subsiding to 1 to 2 early this evening and to 1 Thursday morning.

Extended Forecast

Issued 04:00 AM PDT 04 August 2021
Friday Wind south 10 to 20 knots backing to southeast 15 to 25 in the afternoon.
Saturday Wind southeast 15 to 25 knots becoming northwest 10 to 20.
Sunday Wind northwest 10 to 20 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)

Gale warning in effect

Hecate Strait - northern half

Issued 04:00 AM PDT 04 August 2021

'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 4:00 AM PDT 4 August 2021 Today Tonight and Thursday At 4:00 a.m. PDT today ridge located over northern Vancouver Island.
By 4:00 a.m. PDT Thursday weakening ridge located over southern
Vancouver Island.

At 4:00 a.m. PDT today low 1001 mb located over northwestern Bowie.
By 4:00 p.m. PDT Thursday low 1006 mb located over northern Bowie.

At 4:00 a.m. PDT today frontal system located over Haida Gwaii.
By 4:00 a.m. PDT Thursday weakening frontal system located over
Cape Scott extending southwestward.

Marine Weather Statement

Issued 3:50 AM PDT 4 August 2021 A ridge of high pressure over Northern Vancouver Island and strong
daytime heating over the BC Interior are producing strong to gale
force inflow winds through Juan de Fuca Strait every day in the late
afternoon and evening. Winds will then ease to moderate to strong by
early morning.

A front over Haida Gwaii is producing strong to gale force southerly
winds over the northern waters. Winds will ease to moderate to strong
southwesterly as the front moves to Central Coast this evening.

A low offshore will spread westerly gales to Northern Bowie tonight.
Winds will ease to strong early Thursday as the low weakens.

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