Johnstone Strait


Marine Forecast

Issued 04:00 AM PDT 30 August 2015

Today Tonight and Monday

Gale warning in effect.

Wind southeast 10 to 20 knots increasing to southeast 20 to 30 near noon and to southeast 30 to 40 late this afternoon. Wind diminishing to southeast 20 to 30 near midnight and to southeast 5 to 15 late overnight.


Extended Forecast

Issued 04:00 AM PDT 30 August 2015
Tuesday Wind southeast 15 to 25 knots.
Wednesday Wind northwest 15 knots.
Thursday Wind northwest 15 to 25 knots.

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Weather Conditions

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Map of Pacific - South Coast marine weather areas Tsawwassen Ferry Terminal South Nomad - 46036 Sentry Shoal - 46131 South Brooks - 46132 Halibut Bank - 46146 South Moresby - 46147 South Hecate Strait - 46185 West Sea Otter - 46204 La Perouse Bank - 46206 East Dellwood - 46207 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 Port Hardy Airport Sisters Islets Estevan Point Sartine Island Solander Island Tofino Airport Grief Point Powell River Airport Sechelt Cape St.James Bella Bella Airport Bella Coola Airport Cathedral Point Herbert Island Point Atkinson Sand Heads Lightstation Vancouver Harbour Vancouver Int'l Airport West Vancouver Port Alberni Howe Sound - Pam Rocks Squamish Airport
Ice Conditions

There is no ice forecast issued for this area.


Warnings (In effect)

Gale warning in effect

Johnstone Strait

Issued 04:00 AM PDT 30 August 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 4:00 AM PDT 30 August 2015 Today Tonight and Monday At 6:00 a.m. PDT today trough located on a line north-south
over Bowie.
By 6:00 p.m. PDT tonight trough located on a line north-south over
Cape Scott.

Marine Weather Statement

Issued 3:47 AM PDT 30 August 2015 A trough of low pressure will move towards the BC coast today
reaching Cape Scott late in the afternoon.

Strong to gale force southeasterlies to 45 knots are expected
Ahead of the trough over most BC coastal waters.
Strong to gale force westerlies to 35 knots over offshore
Waters will follow the trough before easing tonight.

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