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West Coast Haida Gwaii - northern half

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PST 21 December 2024

Today Tonight and Sunday.

Storm warning in effect.

Wind southeast 35 to 45 knots increasing to southeast 45 to 55 early this morning then diminishing to south 25 to 35 late this afternoon. Wind increasing to southeast 45 to 55 this evening then becoming southeast 50 to 60 late overnight. Wind diminishing to southeast 35 near noon Sunday then veering to southwest 35 to 45 Sunday evening.

Rain ending this evening. Periods of rain overnight and Sunday.

Waves

Issued 04:00 AM PST 21 December 2024
Today Tonight and Sunday. Seas 4 to 6 metres building to 6 to 8 early this morning then subsiding to 4 to 6 early this evening. Seas building to 7 to 10 near midnight then subsiding to 5 to 7 Sunday afternoon.

Extended Forecast

Issued 04:00 AM PST 21 December 2024
Monday Wind southwest 25 to 35 knots increasing to southeast 40 to 50 in the morning then diminishing to southeast 35 late in the day.
Tuesday Wind northeast 25 to 35 knots veering to southeast 35.
Wednesday Wind southeast 45 to 55 knots diminishing to southwest 35 late in the day.

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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Storm warning in effect

West Coast Haida Gwaii - northern half

Issued 04:00 AM PST 21 December 2024

'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 PST 21 December 2024 Today Tonight and Sunday At 4:00 a.m. PST today ridge located over BC interior.

At 4:00 a.m. PST today frontal system located on a line
northwest-southeast over the offshore waters.
By 4:00 p.m. PST today departing frontal system located from Haida
Gwaii to the Central Coast.

At 10:00 p.m. PST tonight frontal system located west of the
offshore waters.
By 4:00 p.m. PST Sunday frontal system located from Haida Gwaii
to Vancouver Island.

Marine Weather Statement

Issued 3:36 AM PST 21 December 2024 A frontal system over the offshore waters will track northeastward
across the marine regions today. Gale to storm force southeasterlies
are developing ahead of this system with hurricane force
southeasterlies expected near the headlands of West Vancouver Island
north. The system will reach Haida Gwaii this afternoon with gale to
storm force southwesterlies in its wake.

Another frontal system will approach the offshore waters tonight and
move across the marine regions on Sunday. Storm to hurricane
Force southeasterlies will develop ahead of this system with
southeast gales developing over the inner South Coast. This system
will reach Haida Gwaii and Vancouver Island Sunday afternoon with
gale force southwesterlies in its wake.

Gale force outflow winds will prevail through the mainland inlets
today as a ridge of high pressure remains over the interior.

Mackenzie - Mackenzie River Area

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Marine Weather for Canada

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