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Johnstone Strait


Marine Forecast

Issued 09:30 PM PDT 25 May 2024

Tonight and Sunday.

Strong wind warning in effect.

Wind northwest 15 knots diminishing to light late this evening then increasing to southeast 10 to 15 late overnight. Wind increasing to southeast 15 to 25 early Sunday morning then diminishing to southeast 10 to 15 early Sunday evening.

Rain overnight and Sunday.

Extended Forecast

Issued 04:00 PM PDT 25 May 2024
Monday Wind southeast 5 to 15 knots.
Tuesday Wind southeast 5 to 15 knots.
Wednesday Wind northwest 10 to 15 knots.

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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
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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 9:30 PM PDT 25 May 2024

'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 25 May 2024 Tonight and Sunday At 9:30 p.m. PDT tonight quasi-stationary low located over the
Gulf of Alaska.

At 9:30 p.m. PDT tonight ridge located on a line north-south over
southern Vancouver Island.
By 11:00 a.m. PDT Sunday ridge located on a line north-south
over Vancouver.

At 9:30 p.m. PDT tonight trough located on a line north-south over
Haida Gwaii.
By 7:00 a.m. PDT Sunday trough located on a line north-south over
the Central Coast.

Marine Weather Statement

Issued 9:24 PM PDT 25 May 2024 A trough of low pressure will approach the northern, and central
waters tonight. The trough will produce marginal southeasterly
Gales over waters from Dixon Entrance East to the Central Coast
overnight and early Sunday morning.

Pacific - South Coast Area

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