Johnstone Strait


Marine Forecast

Issued 09:30 PM PST 29 November 2015

Tonight and Monday

Gale warning in effect.

Wind southeast 15 to 25 knots increasing to southeast 25 to 35 Monday afternoon.

Periods of rain beginning Monday afternoon. Fog patches over southern sections overnight and Monday morning.

Extended Forecast

Issued 04:00 PM PST 29 November 2015
Tuesday Wind southeast 25 to 35 knots.
Wednesday Wind southeast 25 to 35 knots.
Thursday Wind southeast 25 to 35 knots diminishing to southeast 15 to 25.

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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 9:30 PM PST 29 November 2015

'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 9:30 PM PST 29 November 2015 Tonight and Monday At 9:30 p.m. PST tonight weakening ridge located over BC interior.

At 9:30 p.m. PST tonight quasi-stationary frontal system located
over Bowie.

At 9:30 p.m. PST tonight low 998 mb located southwest of Explorer.
By 6:00 p.m. PST Monday low 1002 mb located 100 miles southwest
of Cape Scott.

Marine Weather Statement

Issued 9:29 PM PST 29 November 2015 A north to south aligned front over Bowie this evening will remain
quasi-stationary through Monday afternoon, then will shift eastward
to Haida Gwaii Monday evening. Meanwhile, a low pressure centre
southwest of Explorer will track northeastward to lie off Cape Scott
by Monday evening.

Strong to gale force southeasterlies will prevail over northern
waters ahead of the front tonight and Monday. Strong to gale force
southeasterlies will develop ahead of the approaching low on Monday
with storm force southeasterlies forecast off the west coast of
Vancouver Island.

A series of low pressure systems will pass through BC waters in the
coming week. Gale to storm force winds are expected to prevail
through Thursday.

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