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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PDT 11 October 2026

Today Tonight and Monday.

Strong wind warning in effect.

Wind easterly 5 to 15 knots except northeasterly outflow 25 near the mainland inlets. Wind becoming light this morning then becoming northwest 10 to 15 early this evening. Wind becoming easterly 5 to 15 near midnight except northeasterly outflow 15 to 20 near the mainland inlets. Wind becoming variable 5 to 15 Monday morning.

Extended Forecast

Issued 04:00 AM PDT 11 October 2026
Tuesday Wind southeast 10 to 20 knots increasing to southeast 25 to 35 late in the day.
Wednesday Wind southeast 25 to 35 knots diminishing to southeast 10 to 20.
Thursday Wind southeast 20 to 30 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 04:00 AM PDT 11 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 11 October 2026 Today Tonight and Monday At 4:00 a.m. PDT today ridge located on a line northeast-southwest
over Bowie.
By 4:00 a.m. PDT Monday weakening ridge located over Cape Scott.

At 4:00 a.m. PDT today ridge located over northern BC interior.
By 4:00 a.m. PDT Monday weakening ridge located over southern
BC interior.

At 4:00 a.m. PDT today frontal system located west of Bowie.
By 4:00 a.m. PDT Monday frontal system located west of Haida Gwaii.

Marine Weather Statement

Issued 3:39 AM PDT 11 October 2026 A ridge of high pressure over the B.C. Interior is bringing strong to
gale force northeasterly outflow through the mainland inlets. These
winds will ease midday today.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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