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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 PM PDT 17 August 2026

Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 25 to 30 knots diminishing to northwest 15 to 20 early Tuesday morning then increasing to northwest 25 to 30 Tuesday afternoon.

Periods of drizzle overnight and Tuesday morning. Fog banks forming this evening and dissipating near noon Tuesday. Fog banks reforming Tuesday evening.

Extended Forecast

Issued 04:00 PM PDT 17 August 2026
Wednesday Wind northwest 25 to 30 knots diminishing to northwest 15 to 20 in the morning then increasing to northwest 20 to 30 in the afternoon.
Thursday Wind northwest 15 to 25 knots.
Friday Wind light increasing to northwest 15 to 25 knots.

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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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buoy Buoy
land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Johnstone Strait

Issued 4:00 PM PDT 17 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 4:00 PM PDT 17 August 2026 Tonight and Tuesday At 4:00 p.m. PDT today ridge located on a line northeast-southwest
over Queen Charlotte Sound.
By 9:30 p.m. PDT tonight ridge located west of Bowie.

At 4:00 p.m. PDT today departing trough located over Langara.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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