Johnstone Strait

Forecast

Marine Forecast

Issued 04:00 AM PST 09 December 2016

Today Tonight and Saturday

Gale warning in effect.

Wind southeast 25 to 35 knots except northeasterly outflow 40 near the mainland inlets today and this evening and northeasterly outflow 40 near the mainland inlets overnight and Saturday.

Periods of snow changing to a few showers Saturday morning and ending Saturday evening.

Temperatures near zero.

Extended Forecast

Issued 04:00 AM PST 09 December 2016
Sunday Wind northeasterly outflow 25 to 35 knots increasing to northeasterly outflow 40 in the afternoon.
Monday Wind northeasterly outflow 20 to 30 knots.
Tuesday Wind northeasterly outflow 20 to 30 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 04:11 AM PST 09 December 2016

'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 PST 9 December 2016 Today Tonight and Saturday At 4:00 a.m. PST today quasi-stationary ridge located over BC
interior.

At 4:00 a.m. PST today weakening frontal system located over Queen
Charlotte Sound.

At 4:00 a.m. PST today low 990 mb located west of the offshore
waters.
By 4:00 p.m. PST today low 993 mb located over northern Explorer.

Marine Weather Statement

Issued 3:39 AM PST 9 December 2016 An Arctic ridge of high pressure will remain over the British
Columbia Interior today through Saturday. Gale to storm force outflow
winds are expected through mainland inlets this morning. Outflow
winds will ease to gale force by this afternoon. Cold temperatures
from the Arctic outflow winds will give a risk of moderate freezing
spray near most mainland inlets.

A strong frontal system over Queen Charlotte Sound is giving gale to
storm force easterlies and southeasterlies to south and central
waters. The low associated with this frontal system will move into
Northern Explorer by this afternoon. Gale force southwesterlies can
be expected near the low.

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