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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 10:30 AM PDT 10 September 2026

Today Tonight and Friday.

Strong wind warning in effect.

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

Scattered showers Friday. Fog patches forming after midnight and dissipating Friday morning.

Extended Forecast

Issued 04:00 AM PDT 10 September 2026
Saturday Wind variable 5 to 15 knots becoming northwest 5 to 15 in the afternoon.
Sunday Wind northwest 5 to 15 knots.
Monday Wind northwest 5 to 15 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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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 10:30 AM PDT 10 September 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 10:30 AM PDT 10 September 2026 Today Tonight and Friday At 10:30 a.m. PDT today quasi-stationary ridge located west of
the offshore waters.

At 4:00 a.m. PDT Friday low 1012 mb located over Queen Charlotte
Sound.
By 4:00 p.m. PDT Friday departing low located over southern
Explorer.

Marine Weather Statement

Issued 10:23 AM PDT 10 September 2026 Ahead of a ridge of high pressure, strong to marginal gale force
northwesterlies off the west coast of Vancouver Island will continue
today and then gradually ease tonight.

There is a risk of waterspouts over Queen Charlotte Sound and
Explorer on Friday as a low moves southward.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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