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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PDT 09 September 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind northwest 15 to 20 knots diminishing to northwest 5 to 15 early this morning then increasing to northwest 20 to 25 this evening. Wind increasing to northwest 25 to 30 Thursday afternoon.

Periods of drizzle and fog patches ending near noon. Periods of rain tonight and Thursday morning.

Extended Forecast

Issued 04:00 AM PDT 09 September 2026
Friday Wind northwest 10 to 20 knots becoming variable 5 to 15 in the morning then becoming southeast 5 to 15 in the afternoon.
Saturday Wind variable 5 to 15 knots becoming northwest 5 to 15.
Sunday Wind northwest 5 to 15 knots.

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Map of Pacific - Georgia Basin marine weather areas Discovery Island La Perouse Bank - 46206 Georgia Strait - 46303 Sentry Shoal - 46131 Halibut Bank - 46146 English Bay – 46304 Powell River Airport Entrance Island Fanny Island Vancouver Int'l Airport Tsawwassen Ferry Terminal Sand Heads Lightstation Point Atkinson Squamish Airport Sechelt Comox Airport Howe Sound - Pam Rocks Grief Point Tofino Airport Port Alberni Estevan Point Sisters Islets Nanaimo Airport Saturna Island West Vancouver Esquimalt Harbour Kelp Reefs Race Rocks Lightstation Sheringham Point University of Victoria Victoria Gonzales Victoria Int'l Airport Vancouver Harbour Ballenas Islands Campbell River Airport
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land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Strong wind warning in effect

Johnstone Strait

Issued 08:08 AM PDT 09 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 4:00 AM PDT 9 September 2026 Today Tonight and Thursday At 4:00 a.m. PDT today weakening ridge located from Explorer to
the Central Coast.
By 4:00 p.m. PDT today weakening ridge located over southern
Explorer.

At 4:00 a.m. PDT today cold front located on a line
northeast-southwest over northern Bowie.
By 4:00 p.m. PDT today cold front located on a line
northeast-southwest over the Central Coast.

At 4:00 a.m. PDT Thursday departing cold front located on a line
northeast-southwest over southern BC interior.

Marine Weather Statement

Issued 3:46 AM PDT 9 September 2026 A cold front over Bowie will move southeastward across the marine
regions today and tonight. With passage of the front, westerly
marginal gales over northern waters will ease this morning.

The front will reach southern waters tonight spreading strong to
marginal gale force northwesterly and westerly winds to the region.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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