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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 - 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 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 - South Coast Area

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Marine Weather for Canada

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