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Johnstone Strait

Forecast

Marine Forecast

Issued 04:00 AM PDT 30 July 2021

Today Tonight and Saturday.

Gale warning in effect.

Wind northwest 10 to 20 knots increasing to northwest 25 to 35 early this evening then diminishing to northwest 10 to 20 late overnight. Wind increasing to northwest 20 to 30 Saturday afternoon.

Extended Forecast

Issued 04:00 AM PDT 30 July 2021
Sunday Wind northwest 25 to 35 knots diminishing to northwest 15 to 25 late in the day.
Monday Wind northwest 15 to 25 knots.
Tuesday Wind northwest 15 to 25 knots diminishing to light.

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Weather Conditions

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Map of Pacific - Georgia Basin marine weather areas Sentry Shoal - 46131 Halibut Bank - 46146 La Perouse Bank - 46206 Georgia Strait - 46303 English Bay - 46304 Discovery Island Esquimalt Harbour Kelp Reefs Malahat Race Rocks Lightstation Saturna Island Sheringham Point University of Victoria Victoria Gonzales Victoria Int'l Airport Ballenas Islands Campbell River Airport Comox Airport Entrance Island Fanny Island Nanaimo Airport Sisters Islets Estevan Point Port Alberni Tofino Airport Grief Point Howe Sound - Pam Rocks Powell River Airport Sechelt Squamish Airport Point Atkinson Sand Heads Lightstation Tsawwassen Ferry Terminal Vancouver Int'l Airport Vancouver Harbour West Vancouver
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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 30 July 2021

'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 30 July 2021 Today Tonight and Saturday At 4:00 a.m. PDT today quasi-stationary ridge located on a line
north-south over Cape Scott.

At 4:00 a.m. PDT today low located off Explorer.
By 4:00 a.m. PDT Saturday low located off Bowie.

Marine Weather Statement

Issued 3:45 AM PDT 30 July 2021 A ridge of high pressure west of Vancouver Island and strong day-time
heating over the BC Interior will drive strong to gale force inflow
winds through Juan de Fuca and strong to gale force northwesterly
winds through Johnstone Strait again this evening.

Winds are forecast to ease overnight.

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