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Johnstone Strait


Marine Forecast

Issued 04:00 AM PDT 02 June 2023

Today Tonight and Saturday.

Strong wind warning in effect.

Wind northwest 10 knots becoming southeast 5 to 15 this morning then becoming northwest 10 to 20 early this evening. Wind diminishing to light late overnight then increasing to northwest 15 to 25 Saturday afternoon. Wind increasing to northwest 30 Saturday evening.

Scattered showers this evening. Showers Saturday evening.

Extended Forecast

Issued 04:00 AM PDT 02 June 2023
Sunday Wind northwest 10 to 20 knots increasing to northwest 30 to 40 in the afternoon.
Monday Wind northwest 20 to 30 knots increasing to northwest 35 to 45.
Tuesday Wind northwest 15 to 25 knots increasing to northwest 30 to 40.

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Weather Conditions

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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 (In effect)

Strong wind warning in effect

Johnstone Strait

Issued 04:00 AM PDT 02 June 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.


Technical Marine Synopsis

Issued 4:00 AM PDT 2 June 2023 Today Tonight and Saturday At 4:00 a.m. PDT today quasi-stationary ridge located on a line
north-south over Vancouver Island.

At 4:00 a.m. PDT today frontal system located on a line north-south
over Hecate Strait.
By 4:00 p.m. PDT today frontal system located near the Mainland

At 4:00 a.m. PDT today low 1006 mb located west of Bowie.
By 4:00 p.m. PDT Saturday dissipating low 1019 mb located west of
Haida Gwaii.

Marine Weather Statement

Issued 3:49 AM PDT 2 June 2023 A slow moving frontal system is moving across Hecate Strait and
Will stall over the mainland coast today. Ahead of the front,
intermittent gale force southeasterlies over Hecate Strait and Dixon
Entrance East will continue until near noon.

As the tail of front pushes onto the coast this afternoon, a brief
period of southerly gales will develop near the headlands of
Vancouver Island and Eastern Queen Charlotte Sound.

Pacific - Georgia Basin Area

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