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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 10:30 AM PDT 15 August 2026

Today Tonight and Sunday.

Strong wind warning in effect.

Wind northwest 10 knots increasing to northwest 15 to 20 late this afternoon then diminishing to northwest 10 to 15 late overnight. Wind increasing to northwest 15 to 25 Sunday afternoon.

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

Extended Forecast

Issued 04:00 AM PDT 15 August 2026
Monday Wind northwest 20 to 30 knots diminishing to northwest 15 in the morning then increasing to northwest 20 to 30 in the afternoon.
Tuesday Wind northwest 20 to 30 knots.
Wednesday Wind 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 10:30 AM PDT 15 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 PM PDT 15 August 2026 Tonight and Sunday At 4:00 p.m. PDT today quasi-stationary ridge located on a line
north-south over western Bowie.

At 4:00 p.m. PDT today weakening trough located from Haida Gwaii
to Queen Charlotte Sound.
By 9:30 p.m. PDT tonight dissipating trough located over Queen
Charlotte Sound.

Pacific - South Coast Area

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Marine Weather for Canada

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