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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PDT 06 October 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind northwest 10 knots becoming light this morning then increasing to northwest 10 to 15 this afternoon. Wind increasing to northwest 15 to 25 Wednesday afternoon.

Periods of drizzle overnight and Wednesday morning. Fog patches dissipating late this morning. Fog patches forming this evening and dissipating Wednesday morning. Fog patches reforming Wednesday evening.

Extended Forecast

Issued 04:00 AM PDT 06 October 2026
Thursday Wind northwest 10 to 20 knots becoming southeast 5 to 15 in the afternoon.
Friday Wind southeast 5 to 15 knots increasing to northwest 15 to 25.
Saturday Wind northwest 15 to 25 knots diminishing to light.

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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 06 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 6 October 2026 Today Tonight and Wednesday At 4:00 a.m. PDT today weakening trough located from the Central
Coast to Vancouver Island.
By 10:30 a.m. PDT today dissipating trough located from the Central
Coast to Vancouver Island.

At 4:00 a.m. PDT today quasi-stationary ridge located from Vancouver
Island to Explorer.

At 8:00 a.m. PDT Wednesday low located over southern Bowie.
By 9:30 p.m. PDT Wednesday low located over northern Haida Gwaii.

Marine Weather Statement

Issued 3:54 AM PDT 6 October 2026 A low pressure system will track from Bowie across the northern
waters into the Alaska Panhandle through Wednesday. Ahead of the low,
southeasterly marginal gale force winds will develop. Winds will
diminish after midnight as the low departs.

Pacific - South Coast Area

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Marine Weather for Canada

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