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West Coast Haida Gwaii - northern half

Forecast

Marine Forecast

Issued 04:00 PM PDT 20 October 2021

Tonight and Thursday.

Gale warning in effect.

Wind southerly 15 knots backing to southeast 20 this evening then increasing to east 35 late overnight. Wind veering to southeast 35 to 45 Thursday morning then becoming southeast 35 Thursday afternoon.

Rain overnight and Thursday.

Waves

Issued 04:00 PM PDT 20 October 2021
Today Tonight and Thursday. Seas 4 metres subsiding to 3 this evening then building to 4 to 6 Thursday morning.

Extended Forecast

Issued 04:00 PM PDT 20 October 2021
Friday Wind southwest 30 to 40 knots backing to southeast 35 to 45 late in the day.
Saturday Wind southwest 25 to 35 knots diminishing to southwest 15 to 25 late in the day.
Sunday Wind southeast 30 knots backing to northeast 25 late in the day.

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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

West Coast Haida Gwaii - northern half

Issued 4:00 PM PDT 20 October 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 PM PDT 20 October 2021 Tonight and Thursday At 4:00 p.m. PDT today weakening ridge located from Prince Rupert
to Tofino.

At 9:30 p.m. PDT tonight intensifying frontal system located
off Explorer.
By 4:00 p.m. PDT Thursday frontal system located on a line
northwest-southeast over Haida Gwaii.

At 4:00 p.m. PDT Thursday low 968 mb located over northern Explorer.

Marine Weather Statement

Issued 4:12 PM PDT 20 October 2021 An approaching system will track across the offshore waters on
Thursday and lie over Haida Gwaii late in the day. Ahead of the
system, gale to storm force southeasterlies will develop over waters
west of Vancouver Island this evening then spread to central and
northern waters overnight into Thursday morning. Additionally, winds
will increase to hurricane force Thursday morning near the headlands
of West Coast Vancouver Island North and Western Queen Charlotte
Sound.

Seas of 8 to 10 metres can be expected on Thursday across parts of
Explorer, west coast Vancouver Island, Queen Charlotte Sound, and
west coast Haida Gwaii.

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