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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 10:30 AM PDT 08 September 2026

Today Tonight and Wednesday.

Strong wind warning in effect.

Wind northwest 15 to 20 knots increasing to northwest 20 to 25 early this afternoon then diminishing to northwest 10 to 20 near midnight. Wind diminishing to light Wednesday morning then increasing to northwest 10 to 20 Wednesday evening.

Periods of drizzle and fog patches overnight and Wednesday morning. Showers Wednesday evening. Fog patches dissipating early this afternoon.

Extended Forecast

Issued 04:00 AM PDT 08 September 2026
Thursday Wind northwest 20 knots becoming northwest 10 to 20 in the morning then increasing to northwest 20 to 25 in the afternoon.
Friday Wind northwest 20 to 25 knots diminishing to northwest 10 to 20.
Saturday Wind northwest 5 to 15 knots becoming southeast 5 to 15.

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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 08 September 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 8 September 2026 Today Tonight and Wednesday At 10:30 a.m. PDT today ridge located on a line northeast-southwest
over the offshore waters.
By 4:00 a.m. PDT Wednesday weakening ridge located from Explorer
to the Central Coast.

At 4:00 p.m. PDT today frontal system located over the Gulf
of Alaska.
By 4:00 a.m. PDT Wednesday cold front located over northern Bowie.

Marine Weather Statement

Issued 10:16 AM PDT 8 September 2026 A frontal system will bring southwesterly gale force winds to the
northern waters tonight. These gales will ease to strong
northwesterlies early Wednesday morning.

Pacific - South Coast Area

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Marine Weather for Canada

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