Johnstone Strait


Marine Forecast

Issued 04:00 PM PST 15 January 2019

Tonight and Wednesday.

Gale warning in effect.

Wind southeast 15 to 25 knots increasing to southeast 25 to 35 Wednesday afternoon except northeasterly outflow 35 near the mainland inlets.

Extended Forecast

Issued 04:00 PM PST 15 January 2019
Thursday Wind southeast 20 to 30 knots.
Friday Wind southeast 10 to 20 knots increasing to southeast 35 to 45 late in the day.
Saturday Wind southeast 35 to 45 knots diminishing to northwest 20.

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Weather Conditions

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Ice Conditions

There is no ice forecast issued for this area.


Warnings (In effect)

Gale warning in effect

Johnstone Strait

Issued 4:00 PM PST 15 January 2019

'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.


Technical Marine Synopsis

Issued 4:00 PM PST 15 January 2019 Tonight and Wednesday At 4:00 p.m. PST today quasi-stationary ridge located over BC

At 4:00 a.m. PST Wednesday low 967 mb located 680 miles southwest
of Explorer.
By 4:00 p.m. PST Wednesday low 970 mb located 360 miles southwest
of Explorer.

At 4:00 a.m. PST Wednesday frontal system located southwest of
By 4:00 p.m. PST Wednesday frontal system located on a line
northwest-southeast over southeastern Explorer.

Marine Weather Statement

Issued 3:53 PM PST 15 January 2019 A ridge of high pressure over the BC Interior will gradually
intensify through Wednesday night. A frontal system will
Approach southern offshore waters Wednesday morning. The front will
move northeastward to lie over the Explorer by Wednesday evening.

Strong to gale force northeasterly outflow winds near the mainland
inlets will increase to gale to storm force on Wednesday evening.
Gale force southeasterly winds will develop over southern offshore
waters later tonight then spread to parts of the southern coastal
waters on Wednesday.

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