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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PDT 08 July 2025

Tonight and Wednesday.

Strong wind warning in effect.

Wind northwest 15 to 25 knots becoming northwest 15 early Wednesday morning then increasing to northwest 15 to 25 near noon Wednesday.

Rain this evening. Scattered showers overnight. Fog patches forming after midnight and dissipating Wednesday morning.

Extended Forecast

Issued 04:00 PM PDT 08 July 2025
Thursday Wind northwest 15 to 25 knots diminishing to northwest 10 in the morning.
Friday Wind northwest 10 knots increasing to northwest 15 to 25.
Saturday Wind northwest 15 to 25 knots.

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Map of Pacific - Georgia Basin marine weather areas West Vancouver Discovery Island English Bay – 46304 Georgia Strait - 46303 Sentry Shoal - 46131 Halibut Bank - 46146 La Perouse Bank - 46206 Howe Sound - Pam Rocks Comox Airport Entrance Island Tsawwassen Ferry Terminal Sand Heads Lightstation Point Atkinson Squamish Airport Sechelt Powell River Airport Campbell River Airport Grief Point Tofino Airport Port Alberni Estevan Point Sisters Islets Nanaimo Airport Fanny Island Race Rocks Lightstation Vancouver Harbour Esquimalt Harbour Kelp Reefs Malahat Saturna Island Vancouver Int'l Airport Sheringham Point University of Victoria Victoria Gonzales Victoria Int'l Airport Ballenas Islands
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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 9:30 PM PDT 08 July 2025

'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 or Weatheradio stations.

Synopsis

Technical Marine Synopsis

Issued 9:30 PM PDT 8 July 2025 Tonight and Wednesday At 9:30 p.m. PDT tonight frontal system located on a line
northeast-southwest over central Vancouver Island.
By 4:00 a.m. PDT Wednesday weakening frontal system located on a
line northeast-southwest over southern Vancouver Island.

At 9:30 p.m. PDT tonight building ridge located over the offshore
waters.
By 5:00 p.m. PDT Wednesday ridge located on a line north-south
over Haida Gwaii.

Marine Weather Statement

Issued 9:25 PM PDT 8 July 2025 A ridge of high pressure will rebuild offshore tonight into
Wednesday. Westerly winds through central and eastern
Sections of Juan de Fuca Strait will rise to marginal gales
Late Wednesday as the ridge strengthens.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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