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Johnstone Strait

Forecast

Marine Forecast

Issued 10:30 AM PDT 22 September 2026

Today Tonight and Wednesday.

Wind southeast 5 to 15 knots becoming light early this afternoon then becoming northwest 5 to 15 early this evening. Wind northwest 5 to 15 Wednesday.

Periods of rain tonight and Wednesday morning.

Extended Forecast

Issued 04:00 PM PDT 22 September 2026
Thursday Wind light becoming northwest 5 to 15 knots in the morning.
Friday Wind northwest 5 to 15 knots increasing to northwest 15 to 20.
Saturday Wind light increasing to southeast 20 to 30 knots late in the day.

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Weather Conditions

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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
Legend:
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land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 4:00 PM PDT 22 September 2026 Tonight and Wednesday At 4:00 p.m. PDT today quasi-stationary ridge located on a line
northeast-southwest over central Vancouver Island.

At 4:00 p.m. PDT today low 990 mb located northwest of Bowie.
By 5:00 a.m. PDT Wednesday weakening low 995 mb located over the
northeastern Gulf of Alaska.

At 4:00 p.m. PDT Thursday building ridge located west of the
offshore waters.

Marine Weather Statement

Issued 10:32 AM PDT 22 September 2026 A frontal system passing through Hecate Strait. Gales in Hecate
Strait and Eastern Dixon will ease near noon.

A 990 MB low northwest of Bowie will slowly weaken and drift
Towards into the Northeastern Gulf of Alaska. Near this system,
Gale force southwesterly winds have developed over Northern Bowie
offshore region. The gale force southwesterly winds will ease
overnight tonight.

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