Johnstone Strait


Marine Forecast

Issued 04:00 AM PDT 23 September 2017

Today Tonight and Sunday.

Strong wind warning in effect.

Wind northwest 20 to 25 knots diminishing to light early this morning then becoming southeast 15 Sunday evening.

Chance of showers changing to a few showers Sunday morning.

Extended Forecast

Issued 04:00 AM PDT 23 September 2017
Monday Wind southeast 15 to 25 knots.
Tuesday Wind southeast 5 to 15 knots becoming variable 5 to 15.
Wednesday Wind variable 5 to 15 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)

Strong wind warning in effect

Johnstone Strait

Issued 04:00 AM PDT 23 September 2017

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 23 September 2017 Today Tonight and Sunday At 4:00 a.m. PDT today weakening ridge located on a line
northeast-southwest over Queen Charlotte Sound.
By 5:00 a.m. PDT Sunday weakening ridge located on a line
northeast-southwest over Vancouver Island.

At 5:00 p.m. PDT Sunday approaching trough located over northwestern

Marine Weather Statement

Issued 3:32 AM PDT 23 September 2017 A quasi-stationary ridge of high pressure over Queen Charlotte Sound
will weaken today through Sunday. A trough of low pressure will
approach Northwestern Explorer on Sunday afternoon spreading strong
to gale force southwesterly winds into the region.

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