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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PDT 11 May 2025

Tonight and Monday.

Strong wind warning in effect.

Wind northwest 15 to 25 knots becoming northwest 10 to 20 late overnight then becoming northwest 15 to 25 early Monday afternoon.

Showers this evening.

Extended Forecast

Issued 04:00 PM PDT 11 May 2025
Tuesday Wind northwest 15 to 20 knots becoming northwest 15 to 25 in the afternoon.
Wednesday Wind northwest 20 knots.
Thursday Wind northwest 15 knots becoming southeast 15.

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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 11 May 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 11 May 2025 Tonight and Monday At 9:30 p.m. PDT tonight dissipating low located off Oregon Coast.

At 4:00 a.m. PDT Monday quasi-stationary ridge located on a line
north-south over the offshore waters.

Marine Weather Statement

Issued 9:07 PM PDT 11 May 2025 A ridge of high pressure building over the offshore waters on Monday
will bring strong to gale force northwest winds across west coast
Vancouver Island and Haida Gwaii, Hecate south, Explorer, and the
central waters.

Winds will ease Monday night except for West Coast Vancouver Island
South and Southeastern Explorer, where gale force winds can be
expected to persist into Tuesday.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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