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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 PM PDT 25 October 2026

Tonight and Monday.

Strong wind warning in effect.

Wind variable 5 to 15 knots except northeasterly outflow 15 near the mainland inlets late this afternoon and tonight. Wind becoming light early Monday morning then increasing to northwest 5 to 15 late Monday morning. Wind increasing to northwest 15 to 25 Monday afternoon.

Extended Forecast

Issued 04:00 PM PDT 25 October 2026
Tuesday Wind northwest 15 to 25 knots diminishing to northwest 5 to 15 in the morning.
Wednesday Wind northwest 5 to 15 knots becoming easterly outflow 10 to 20 late in the day.
Thursday Wind easterly outflow 20 to 30 knots diminishing to easterly outflow 10 to 20.

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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 4:00 PM PDT 25 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 PM PDT 25 October 2026 Tonight and Monday At 4:00 p.m. PDT today weakening low located over southern Explorer.
By 9:30 p.m. PDT tonight departing low located south of Explorer.

At 4:00 p.m. PDT today weakening ridge located over northern
BC interior.

At 4:00 a.m. PDT Monday building ridge located west of the offshore
waters.

Marine Weather Statement

Issued 3:46 PM PDT 25 October 2026 As the low over Southern Explorer moves southward tonight,
northeasterly to southeasterly gales over Explorer, West Vancouver
Island, and eastern sections of Juan de Fuca Strait will gradually
ease this evening.

The weakening ridge over Interior British Columbia will continue to
generate strong to gale force outflow winds through Major mainland
inlets tonight.

Another ridge building offshore will spread strong to marginal gale
force northwesterlies across outer waters by Monday evening.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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