Johnstone Strait

Forecast

Marine Forecast

Issued 10:30 AM PDT 22 June 2018

Today Tonight and Saturday.

Strong wind warning in effect.

Wind northwest 10 to 20 knots increasing to northwest 20 to 30 this afternoon then diminishing to northwest 10 to 20 Saturday morning. Wind increasing to northwest 20 to 25 Saturday afternoon.

Chance of showers today and early this evening.

Extended Forecast

Issued 04:00 AM PDT 22 June 2018
Sunday Wind variable 5 to 15 knots increasing to northwest 20 to 30 in the afternoon.
Monday Wind northwest 20 to 30 knots.
Tuesday Wind northwest 20 to 30 knots.

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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Johnstone Strait

Issued 10:30 AM PDT 22 June 2018

'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.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM PDT 22 June 2018 Today Tonight and Saturday At 10:30 a.m. PDT today weakening ridge located on a line
north-south over central Vancouver Island.
By 4:00 p.m. PDT today dissipating ridge located on a line
northeast-southwest over southern Vancouver Island.

At 4:00 p.m. PDT today building ridge located west of Bowie.
By 4:00 a.m. PDT Saturday ridge located on a line north-south over
the offshore waters.

At 4:00 a.m. PDT Saturday approaching frontal system located west
of Bowie.

Marine Weather Statement

Issued 10:21 AM PDT 22 June 2018 A ridge of high pressure over Vancouver Island will continue to
produce strong to marginal gale force westerly or northwesterly
Winds through Juan de Fuca Strait tonight.

A frontal system will approach the offshore waters Saturday morning.
Gale force southeasterly winds will develop over Bowie on Saturday.

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