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Johnstone Strait


Marine Forecast

Issued 09:30 PM PDT 28 September 2020

Tonight and Tuesday.

Strong wind warning in effect.

Wind light increasing to southeast 5 to 15 knots Tuesday afternoon and to southeast 15 to 25 Tuesday evening.

Extended Forecast

Issued 04:00 PM PDT 28 September 2020
Wednesday Wind southeast 15 to 25 knots diminishing to southeast 5 to 15 late in the day.
Thursday Wind southeast 5 to 15 knots becoming variable 5 to 15.
Friday Wind southeast 5 to 15 knots becoming northwest 5 to 15.

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Weather Conditions

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Map of Pacific - South Coast marine weather areas 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 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 Port Hardy Airport Sisters Islets Estevan Point Port Alberni Sartine Island Solander Island Tofino Airport Grief Point Howe Sound - Pam Rocks Powell River Airport Sechelt Squamish Airport Cape St.James Bella Bella Airport Bella Coola Airport Cathedral Point Herbert Island Point Atkinson Sand Heads Lightstation Tsawwassen Ferry Terminal Vancouver Int'l Airport Vancouver Harbour West Vancouver
Ice Conditions

There is no ice forecast issued for this area.


Warnings (In effect)

Strong wind warning in effect

Johnstone Strait

Issued 9:30 PM PDT 28 September 2020

'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 9:30 PM PDT 28 September 2020 Tonight and Tuesday At 9:30 p.m. PDT tonight ridge located on a line northeast-southwest
over northern Vancouver Island.
By 10:00 a.m. PDT Tuesday dissipating ridge located on a line
northeast-southwest over the Central Coast.

At 9:30 p.m. PDT tonight warm front located on a line
northeast-southwest over southern Bowie.
By 4:00 p.m. PDT Tuesday departing warm front located north
of Bowie.

At 4:00 p.m. PDT Tuesday cold front located west of Bowie.
By 4:00 a.m. PDT Wednesday weakening cold front located on a line
northwest-southeast over Queen Charlotte Sound.

Marine Weather Statement

Issued 9:24 PM PDT 28 September 2020 A warm front will cross Bowie tonight and Tuesday. Ahead of the
system, gale force easterly winds have developed over Bowie.
The associated cold front will follow the warm front and approach
Bowie late Tuesday afternoon. Southeasterly gales will develop over
the northern offshore waters late Tuesday afternoon then spread to
central and northern coastal waters Tuesday night.

Strong to gale force outflow winds will develop through Douglas
Channel late Tuesday night with the approaching cold front.

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