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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PDT 11 August 2026

Tonight and Wednesday.

Strong wind warning in effect.

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

Fog banks forming late overnight and dissipating near noon Wednesday.

Extended Forecast

Issued 04:00 PM PDT 11 August 2026
Thursday Wind northwest 20 to 30 knots diminishing to northwest 10 to 15 in the morning then increasing to northwest 15 to 20 in the afternoon.
Friday Wind northwest 15 to 20 knots diminishing to northwest 10 to 15.
Saturday Wind northwest 15 to 20 knots becoming northwest 15 to 25 late in the day.

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Map of Pacific - South Coast marine weather areas Cape St.James West Vancouver Victoria Gonzales University of Victoria South Brooks - 46132 Sheringham Point Bella Bella Airport Saturna Island Bella Coola Airport Sentry Shoal - 46131 Race Rocks Lightstation Cathedral Point South Nomad - 46036 Kelp Reefs Herbert Island Esquimalt Harbour Point Atkinson Georgia Strait - 46303 Sand Heads Lightstation Tsawwassen Ferry Terminal English Bay – 46304 Vancouver Int'l Airport Vancouver Harbour Discovery Island Entrance Island Sartine Island Fanny Island Comox Airport Nanaimo Airport South Moresby - 46147 Port Hardy Airport Sisters Islets South Hecate Strait - 46185 Estevan Point Campbell River Airport Port Alberni West Sea Otter - 46204 Halibut Bank - 46146 Solander Island Tofino Airport Ballenas Islands Grief Point La Perouse Bank - 46206 Howe Sound - Pam Rocks Powell River Airport Sechelt East Dellwood - 46207 Squamish Airport Victoria Int'l Airport
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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 11 August 2026

'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.

Synopsis

Technical Marine Synopsis

Issued 9:30 PM PDT 11 August 2026 Tonight and Wednesday At 9:30 p.m. PDT tonight quasi-stationary ridge located off Bowie.

At 9:30 p.m. PDT tonight quasi-stationary trough located from
Vancouver Island to the North Coast.

Marine Weather Statement

Issued 9:04 PM PDT 11 August 2026 Ahead of a ridge of high pressure, gale force northwesterlies will
develop late Wednesday off the west coast of Vancouver Island, south
of the Brooks Peninsula.

Pacific - South Coast Area

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Marine Weather for Canada

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