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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 PM PDT 22 September 2023

Tonight and Saturday.

Strong wind warning in effect.

Wind light increasing to southeast 5 to 15 knots late overnight and to southeast 15 to 25 near noon Saturday. Wind diminishing to variable 5 to 15 Saturday afternoon then becoming southeast 5 to 15 Saturday evening.

Showers Saturday.

Extended Forecast

Issued 04:00 PM PDT 22 September 2023
Sunday Wind southeast 10 to 20 knots increasing to southeast 20 to 30 in the afternoon and to southeast 30 to 40 late in the day.
Monday Wind southeast 30 to 40 knots.
Tuesday Wind southeast 30 to 40 knots diminishing to southeast 20 to 30 late in the day.

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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)

Strong wind warning in effect

Johnstone Strait

Issued 5:00 PM PDT 22 September 2023

'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 4:00 PM PDT 22 September 2023 Tonight and Saturday At 4:00 p.m. PDT today ridge located over Vancouver Island.
By 4:00 a.m. PDT Saturday weakening ridge located over BC interior.

At 4:00 p.m. PDT today weakening cold front located from the
Central Coast to Explorer.

At 4:00 a.m. PDT Saturday trough located off Vancouver Island.
By 4:00 p.m. PDT Saturday weakening trough located over Vancouver
Island.

Marine Weather Statement

Issued 3:52 PM PDT 22 September 2023 A trough extending from the Central Coast to Explorer will develop
into a low over Southeastern Explorer overnight. The low centre is
expected to cross Vancouver Island Saturday near noon. Gale force
winds are expected to develop near the low tonight then become strong
southerlies over the Strait of Georgia as the low crosses the
Island and weakens.

A deep low pressure system is expected to spread gale to storm force
winds across the BC waters Sunday through Monday.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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