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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 10:30 AM PDT 07 August 2026

Today Tonight and Saturday.

Strong wind warning in effect.

Wind northwest 10 to 20 knots increasing to northwest 20 to 30 early this afternoon then diminishing to northwest 15 to 20 late overnight. Wind increasing to northwest 20 to 30 Saturday afternoon.

Periods of drizzle and fog banks ending near noon. Periods of drizzle overnight and Saturday morning. Fog banks forming near midnight and dissipating near noon Saturday.

Extended Forecast

Issued 04:00 AM PDT 07 August 2026
Sunday Wind northwest 20 to 30 knots diminishing to northwest 15 to 20 in the morning then increasing to northwest 20 to 30 in the afternoon.
Monday Wind northwest 15 to 20 knots.
Tuesday Wind northwest 5 to 15 knots increasing to northwest 15 to 20.

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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 07 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 10:30 AM PDT 7 August 2026 Today Tonight and Saturday At 10:30 a.m. PDT today ridge located on a line north-south
over Bowie.
By 9:30 p.m. PDT tonight weakening ridge located from Langara
to Explorer.

At 4:00 p.m. PDT Saturday ridge located over southwestern Explorer.

Marine Weather Statement

Issued 10:16 AM PDT 7 August 2026 Over the Juan de Fuca strait, westerly inflow winds will follow a
diurnal trend of strengthening in the afternoon and easing in the
morning. Westerlies are expected to reach gale force Saturday late
afternoon before weakening Sunday morning.

Pacific - South Coast Area

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Marine Weather for Canada

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