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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PDT 14 August 2026

Today Tonight and Saturday.

Strong wind warning in effect.

Wind northwest 10 knots becoming southeast 5 to 15 early this morning then becoming northwest 10 to 20 late this afternoon. Wind becoming northwest 10 Saturday morning then increasing to northwest 15 to 25 Saturday afternoon.

Periods of drizzle and fog banks changing to showers near noon and ending near midnight with a risk of thunderstorms. Showers Saturday afternoon and evening with a risk of thunderstorms. Fog banks forming overnight and dissipating Saturday morning.

Extended Forecast

Issued 04:00 AM PDT 14 August 2026
Sunday Wind northwest 15 to 25 knots becoming northwest 15 in the morning then increasing to northwest 15 to 25 in the afternoon.
Monday Wind northwest 15 to 25 knots becoming northwest 20 to 30 late in the day.
Tuesday Wind northwest 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 14 August 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 14 August 2026 Today Tonight and Saturday At 4:00 a.m. PDT today quasi-stationary ridge located off Bowie.

At 4:00 a.m. PDT today trough located over Queen Charlotte Sound.
By 4:00 p.m. PDT today trough located from Hecate Strait to
Explorer.

Pacific - South Coast Area

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Marine Weather for Canada

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