Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PST 21 November 2018

Tonight and Thursday.

Gale warning in effect.

Wind southeast 15 to 25 knots increasing to southeast 30 to 40 early Thursday morning then diminishing to southeast 15 to 25 late Thursday afternoon.

Showers changing to rain Thursday morning.

Extended Forecast

Issued 04:00 PM PST 21 November 2018
Friday Wind variable 5 to 15 knots becoming northwest 10 to 20 in the afternoon.
Saturday Wind light increasing to southeast 25 to 35 knots.
Sunday Wind southeast 5 to 15 knots increasing to southeast 20 to 30.

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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 9:30 PM PST 21 November 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.

Synopsis

Technical Marine Synopsis

Issued 9:30 PM PST 21 November 2018 Tonight and Thursday At 9:30 p.m. PST tonight building ridge located over northern
Vancouver Island.
By 4:00 p.m. PST Thursday ridge located over BC interior.

At 9:30 p.m. PST tonight low 991 mb located over Bowie.
By 4:00 p.m. PST Thursday low 986 mb located over Queen Charlotte
Sound.

At 9:30 p.m. PST tonight cold front from low located on a line
north-south over Explorer.
By 4:00 p.m. PST Thursday cold front from low located from Hecate
Strait to Vancouver Island.

Marine Weather Statement

Issued 9:25 PM PST 21 November 2018 A frontal system has developed and is moving through the offshore
waters. The system will generate gale force southeasterlies across
Explorer late this evening then spread to the coastal waters
Thursday. Winds will rise to storm force southeasterlies over most
central waters and west of Vancouver Island Thursday morning. In the
wake of the system winds will shift to strong to gale force
northwesterlies offshore on Thursday.

Pacific - Georgia Basin Area

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