Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PST 17 January 2019

Today Tonight and Friday.

Gale warning in effect.

Wind southeast 15 to 25 knots except northeasterly outflow 35 to 45 near the mainland inlets. Wind becoming southeast 25 to 35 early this evening except northeasterly outflow 35 near the mainland inlets. Wind becoming southeast 20 to 30 Friday morning except northeasterly outflow 25 to 35 near the mainland inlets.

Periods of rain.

Extended Forecast

Issued 04:00 AM PST 17 January 2019
Saturday Wind southeast 30 to 40 knots diminishing to southeast 15 to 25 in the afternoon.
Sunday Wind variable 5 to 15 knots.
Monday Wind variable 5 to 15 knots becoming southeast 5 to 15.

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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 05:09 AM PST 17 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.

Synopsis

Technical Marine Synopsis

Issued 4:00 AM PST 17 January 2019 Today Tonight and Friday At 4:00 a.m. PST today quasi-stationary ridge located over BC
interior.

At 4:00 a.m. PST today low 976 mb located southwest of Explorer.
By 4:00 a.m. PST Friday weakening low 995 mb located over Queen
Charlotte Sound.

At 10:30 a.m. PST Friday approaching frontal system located
southwest of Explorer.

Marine Weather Statement

Issued 3:56 AM PST 17 January 2019 A ridge of high pressure over the BC Interior will begin to weaken
this afternoon. Storm to gale force northeasterly outflow winds
Near the mainland inlets will ease through the day.

A low pressure system is approaching Explorer from the southwest
today. The centre of the system will lie over Southern Explorer this
afternoon then gradually weaken as it marches northwards into Haida
Gwaii by midday Friday. Strong to gale force southeasterly winds
Will continue across parts of the central and southern outer waters
today and spread to parts of the inner South Coast this afternoon
And evening. These winds will shift to strong to gale force
Southwest winds following the passage of the low centre.

Another Pacific system will approach the marine waters Friday
afternoon then intensify Friday night. Gale to storm force southeast
winds are expected to develop with this system.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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