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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PDT 16 May 2022

Today Tonight and Tuesday.

Gale warning in effect.

Wind variable 5 to 15 knots becoming southeast 10 to 15 near midnight then increasing to southeast 15 to 25 near noon Tuesday. Wind increasing to southeast 25 to 35 Tuesday evening.

Rain changing to showers early this morning then to rain Tuesday evening.

Extended Forecast

Issued 04:00 AM PDT 16 May 2022
Wednesday Wind southeast 30 to 40 knots diminishing to variable 10 to 20 in the morning.
Thursday Wind northwest 10 to 20 knots.
Friday Wind northwest 5 to 15 knots.

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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 16 May 2022

'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 16 May 2022 Today Tonight and Tuesday At 4:00 a.m. PDT today trough located west of the offshore waters.
By 10:00 a.m. PDT today weakening trough located from Bowie to
Queen Charlotte Sound.

At 4:00 a.m. PDT Tuesday deepening trough located west of the
offshore waters.
By 5:00 p.m. PDT Tuesday trough located over the offshore waters.

At 9:30 p.m. PDT Tuesday approaching low 994 mb located over
western Explorer.

Marine Weather Statement

Issued 3:50 AM PDT 16 May 2022 A trough will move into Bowie then into central and northern
Waters through this morning. Strong to gale force southerlies will
develop ahead of the trough then weaken this afternoon as the trough
weakens.

A ridge of high pressure over west coast Vancouver Island will result
in gale force inflow winds through east entrance of Juan de Fuca
strait this afternoon.

Another trough will approaching the offshore waters Tuesday
afternoon. Southerly gales will develop over Hecate Strait to
Explorer near midday Tuesday.

A low pressure centre will move over Explorer Tuesday evening then
cross Vancouver Island on Wednesday. Unseasonably strong winds are
associated with this low. Gale to storm force southerly winds will
develop ahead of the low over Explorer and west coast Vancouver
Island Tuesday night. Southeast gales are expected for inner South
Coast waters. Winds will shift to gale to storm force westerly in the
wake of the low.

Pacific - Georgia Basin Area

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