Johnstone Strait

Forecast

Marine Forecast

Issued 04:00 AM PDT 18 October 2017

Today Tonight and Thursday.

Gale warning in effect.

Wind southeast 25 to 35 knots becoming southeast 20 to 30 this morning then diminishing to southwest 15 early this afternoon. Wind increasing to southeast 20 early this evening then diminishing to southeast 15 Thursday morning. Wind diminishing to light Thursday evening.

Rain at times heavy changing to a few showers this evening.

Extended Forecast

Issued 04:00 AM PDT 18 October 2017
Friday Wind southeast 10 to 20 knots increasing to southeast 20 to 30 in the afternoon.
Saturday Wind southeast 20 to 30 knots becoming southwest 20 late in the day.
Sunday Wind southwest 20 knots increasing to southeast 20 to 30.

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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

Johnstone Strait

Issued 04:00 AM PDT 18 October 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.

Synopsis

Technical Marine Synopsis

Issued 4:00 AM PDT 18 October 2017 Today Tonight and Thursday At 4:00 a.m. PDT today frontal system located over western Bowie.
By 7:00 a.m. PDT today departing frontal system located on a line
northwest-southeast over Hecate Strait.

At 5:00 a.m. PDT today cold front located on a line
northeast-southwest over northern Vancouver Island.
By 4:00 p.m. PDT today departing cold front located on a line
northeast-southwest over southern Vancouver Island.

Marine Weather Statement

Issued 3:43 AM PDT 18 October 2017 A frontal system is moving through Hecate Strait. This system will
cross the North and Central Coasts by mid morning. Winds have
Risen quickly to storm force southeasterlies ahead of frontal
System. Winds will veer to southwest gales in its wake.

Gale force southeasterlies are also developing over the
South Coast this morning as the system approaches. As the system
moves inland late Wednesday, winds will become strong south or
southwesterlies in its wake.

Seas have built to near 7 metres over the northern and central waters
this morning, and will build to near 9 metres over the offshore
waters this evening.

Pacific - Georgia Basin Area

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