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Johnstone Strait

Forecast

Marine Forecast

Issued 09:30 PM PDT 16 August 2022

Tonight and Wednesday.

Strong wind warning in effect.

Wind northwest 15 to 25 knots diminishing to northwest 10 to 15 late overnight then increasing to northwest 20 to 30 late Wednesday afternoon.

Extended Forecast

Issued 04:00 PM PDT 16 August 2022
Thursday Wind northwest 20 to 30 knots diminishing to northwest 10 to 15 in the morning then increasing to northwest 15 to 25 in the afternoon.
Friday Wind northwest 10 to 15 knots increasing to northwest 15 to 25.
Saturday Wind northwest 5 to 15 knots increasing to northwest 15 to 20.

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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
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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Johnstone Strait

Issued 9:30 PM PDT 16 August 2022

'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.

Synopsis

Technical Marine Synopsis

Issued 9:30 PM PDT 16 August 2022 Tonight and Wednesday At 9:30 p.m. PDT tonight frontal system located on a line
north-south over Bowie.
By 4:00 p.m. PDT Wednesday dissipating frontal system located on
a line northeast-southwest over Bowie.

At 4:00 a.m. PDT Wednesday building ridge located on a line
northeast-southwest over Queen Charlotte Sound.
By 4:00 a.m. PDT Thursday quasi-stationary ridge located on a line
north-south over Bowie.

At 4:00 a.m. PDT Wednesday trough located over the South Coast.
By 9:30 p.m. PDT Wednesday quasi-stationary trough located from
the North Coast to the South Coast.

Marine Weather Statement

Issued 9:29 PM PDT 16 August 2022 A stationary front draped northeast to southwest over Bowie will
weaken through the day on Wednesday. Strong to gale force
Southerlies over Bowie and waters in the vicinity of Northern Haida
Gwaii will ease overnight tonight through early Wednesday morning.

A trough will develop over the South Coast through Wednesday and
Wednesday night. Strong to gale force northwest winds will develop
off the northwest coast of Vancouver Island later Wednesday afternoon
and continue into Thursday.

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