Strait of Georgia - south of Nanaimo


Marine Forecast

Issued 10:30 AM PST 17 February 2018

Today Tonight and Sunday.

Gale warning in effect.

Wind southeast 20 to 30 knots veering to southwest 20 to 30 near noon then to northwest 20 to 30 late this afternoon. Wind diminishing to northwest 10 to 20 late this evening then increasing to northeast 25 to 35 after midnight except northwest 15 to 25 near Vancouver Island Sunday.

Periods of rain and wet snow ending early Sunday morning.

Extended Forecast

Issued 04:00 AM PST 17 February 2018
Monday Wind northerly 10 to 20 knots.
Tuesday Wind northerly 5 to 15 knots becoming light.
Wednesday Wind light becoming southeast 5 to 15 knots late in the day.

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Ice Conditions

There is no ice forecast issued for this area.


Warnings (In effect)

Gale warning in effect

Strait of Georgia - south of Nanaimo

Issued 2:38 PM PST 17 February 2018

'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.


Technical Marine Synopsis

Issued 4:00 PM PST 17 February 2018 Tonight and Sunday At 4:00 p.m. PST today low located over southern Vancouver Island.
By 4:00 a.m. PST Sunday low located over Washington State.

At 4:00 p.m. PST today deepening trough located over the Mainland

At 4:00 p.m. PST today building ridge located over BC interior.

Marine Weather Statement

Issued 3:31 PM PST 17 February 2018 An area of low pressure over Southern Vancouver Island this
Afternoon will move into Washington state tonight. A trough of low
pressure will deepen along the entire mainland coast tonight while
high pressure builds over the BC Interior.

Gale to storm force northerly winds are expected for the majority
Of outer coastal waters. Gale force outflow winds will also be a
factor near mainland inlets. These winds will continue well into
Sunday before beginning to ease.

With the prolonged northerly winds offshore, waves reaching 9 metres
are expected for offshore waters west of Vancouver Island on Sunday.

A risk of freezing spray will exist through Douglas Channel tonight
and Sunday as Arctic air floods out of the BC Interior and
temperatures plummet.

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