Johnstone Strait


Marine Forecast

Issued 04:00 AM PST 28 February 2017

Today Tonight and Wednesday

Gale warning in effect.

Wind southeast 10 to 20 knots increasing to southeast 25 to 35 this morning then diminishing to northwest 10 to 20 this evening. Wind becoming southeast 10 to 20 near noon Wednesday.

Showers and chance of flurries beginning late this morning.

Extended Forecast

Issued 04:00 AM PST 28 February 2017
Thursday Wind southeast 30 to 40 knots diminishing to westerly 15 to 25 in the afternoon.
Friday Wind southwest 25 knots.
Saturday Wind southeast 25 knots.

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Ice Conditions

There is no ice forecast issued for this area.


Warnings (In effect)

Gale warning in effect

Johnstone Strait

Issued 04:00 AM PST 28 February 2017

'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 AM PST 28 February 2017 Today Tonight and Wednesday At 4:00 a.m. PST today quasi-stationary low located over the Gulf
of Alaska.

At 4:00 a.m. PST today trough from low located from the Gulf of
Alaska to Haida Gwaii.
By 4:00 p.m. PST today trough from low located from the Gulf of
Alaska to BC interior.

Marine Weather Statement

Issued 3:48 AM PST 28 February 2017 A low pressure centre will remain over the Gulf of Alaska. A trough
from the low extending to Haida Gwaii will move into the BC Interior
this afternoon.

Strong to gale force southeasterly winds will continue this morning
ahead of the trough. Strong to gale force westerly or northwesterly
winds will prevail over the northern and central waters today and
tonight behind the trough. Winds will become moderate to strong
westerly on Wednesday as the system weakens.

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