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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PDT 12 August 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind northwest 15 to 20 knots increasing to northwest 20 to 30 late this afternoon then diminishing to northwest 15 to 20 overnight. Wind diminishing to northwest 5 to 15 Thursday morning.

Fog banks dissipating near noon. Fog banks forming overnight and dissipating near noon Thursday.

Extended Forecast

Issued 04:00 AM PDT 12 August 2026
Friday Wind northwest 5 to 15 knots becoming southeast 5 to 15 in the morning then becoming northwest 5 to 15 late in the day.
Saturday Wind northwest 10 to 20 knots.
Sunday Wind northwest 10 to 20 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 12 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 12 August 2026 Today Tonight and Thursday At 4:00 a.m. PDT today quasi-stationary ridge located off Bowie.

At 4:00 a.m. PDT today quasi-stationary trough located from
Vancouver Island to the North Coast.

Marine Weather Statement

Issued 3:36 AM PDT 12 August 2026 Ahead of a ridge of high pressure, gale force northwesterlies will
develop today off the west coast of Vancouver Island, south
Of the Brooks Peninsula. Winds will gradually ease overnight to
moderate to strong northwest.

Pacific - South Coast Area

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Marine Weather for Canada

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