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Johnstone Strait

Forecast

Marine Forecast

Issued 04:00 PM PDT 07 July 2025

Tonight and Tuesday.

Strong wind warning in effect.

Wind northwest 15 to 25 knots diminishing to northwest 10 after midnight then becoming light early Tuesday morning. Wind increasing to northwest 15 to 20 Tuesday afternoon.

Scattered showers and fog patches beginning near midnight changing to rain Tuesday morning.

Extended Forecast

Issued 04:00 PM PDT 07 July 2025
Wednesday Wind northwest 15 to 20 knots becoming northwest 15 to 25 in the afternoon.
Thursday Wind northwest 15 to 25 knots diminishing to northwest 10.
Friday Wind northwest 10 knots becoming light.

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Weather Conditions

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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 4:00 PM PDT 07 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 4:00 PM PDT 7 July 2025 Tonight and Tuesday At 4:00 p.m. PDT today weakening ridge located on a line
northeast-southwest over northern Vancouver Island.

At 4:00 p.m. PDT today frontal system located on a line
northeast-southwest over Haida Gwaii.
By 4:00 a.m. PDT Tuesday frontal system located off Cape Scott.

Marine Weather Statement

Issued 3:45 PM PDT 7 July 2025 A ridge of high pressure offshore will bring westerly gales through
central and eastern sections of Juan de Fuca Strait this evening and
overnight.

Pacific - Georgia Basin Area

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