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Johnstone Strait

Forecast

Marine Forecast

Issued 04:00 AM PDT 12 October 2026

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind variable 5 to 15 knots except northeasterly outflow 15 to 20 near the mainland inlets this morning. Wind becoming southeast 10 to 20 near midnight then increasing to southeast 20 to 30 Tuesday afternoon.

Showers beginning near midnight changing to rain Tuesday evening.

Extended Forecast

Issued 04:00 AM PDT 12 October 2026
Wednesday Wind southeast 10 to 20 knots increasing to southeast 20 to 30 late in the day.
Thursday Wind southeast 15 to 25 knots becoming southeast 10 to 20 late in the day.
Friday Wind southeast 20 to 30 knots diminishing to southwest 15 late in the day.

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Weather Conditions

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Map of Pacific - Georgia Basin marine weather areas Discovery Island La Perouse Bank - 46206 Georgia Strait - 46303 Sentry Shoal - 46131 Halibut Bank - 46146 English Bay – 46304 Powell River Airport Entrance Island Fanny Island Vancouver Int'l Airport Tsawwassen Ferry Terminal Sand Heads Lightstation Point Atkinson Squamish Airport Sechelt Comox Airport Howe Sound - Pam Rocks Grief Point Tofino Airport Port Alberni Estevan Point Sisters Islets Nanaimo Airport Saturna Island West Vancouver Esquimalt Harbour Kelp Reefs Race Rocks Lightstation Sheringham Point University of Victoria Victoria Gonzales Victoria Int'l Airport Vancouver Harbour Ballenas Islands Campbell River 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 06:19 AM PDT 12 October 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 4:00 AM PDT 12 October 2026 Today Tonight and Tuesday At 4:00 a.m. PDT today dissipating ridge located over southern
Explorer.

At 4:00 a.m. PDT today frontal system located over Haida Gwaii.
By 4:00 p.m. PDT today frontal system located over eastern Queen
Charlotte Sound.

At 4:00 a.m. PDT today approaching low located west of Bowie.

Marine Weather Statement

Issued 3:50 AM PDT 12 October 2026 A low pressure system will approach Southern Bowie early Tuesday
morning. Gale force southeasterlies will develop on Tuesday across
Hecate Strait, Queen Charlotte Sound, West Vancouver Island north,
and Central Coast, offshore waters.

Pacific - Georgia Basin Area

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