Johnstone Strait


Marine Forecast

Issued 04:00 PM PDT 17 April 2015

Tonight and Saturday

Strong wind warning in effect.

Wind northwest 20 to 30 knots diminishing to northwest 5 to 15 early Saturday morning then increasing to northwest 15 to 25 Saturday evening.

Extended Forecast

Issued 04:00 PM PDT 17 April 2015
Sunday Wind northwest 10 to 20 knots increasing to northwest 20 to 30 in the afternoon.
Monday Wind northwest 10 to 20 knots increasing to northwest 20 to 30 late in the day.
Tuesday Wind northwest 25 to 35 knots.

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Ice Conditions

There is no ice forecast issued for this area.


Warnings (In effect)

Strong wind warning in effect

Johnstone Strait

Issued 4:00 PM PDT 17 April 2015

'Strong' winds of 20 to 33 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.


Technical Marine Synopsis

Issued 4:00 PM PDT 17 April 2015 Tonight and Saturday At 4:00 p.m. PDT today departing cold front located on a line
northeast-southwest over Vancouver.

At 4:00 p.m. PDT today building ridge located over Bowie.
By 5:00 p.m. PDT Saturday ridge located on a line north-south over
Queen Charlotte Sound.

At 11:00 p.m. PDT Saturday approaching frontal system located over
western Bowie.

Marine Weather Statement

Issued 3:50 PM PDT 17 April 2015 A cold front in a northeast to southwest line near Vancouver this
afternoon will move into the BC Interior this evening. A ridge of
high pressure will build over Haida Gwaii and will move slowly
eastward to lie in a north to south line over Queen Charlotte
Sound by Saturday afternoon.

Strong northwest winds in the wake of the cold front will continue
this evening for Georgia Strait and Johnstone Strait. Strong to gale
force northwest winds will continue this evening for eastern sections
of the strait of Juan de Fuca and the west coast of Vancouver Island.
Winds will ease to light later tonight as the ridge builds in.

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