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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 PM PDT 18 April 2025

Tonight and Saturday.

Gale warning in effect.

Wind northwest 15 to 25 knots increasing to northwest 25 to 35 early this evening then diminishing to northwest 15 to 25 early Saturday morning.

Showers this evening.

Extended Forecast

Issued 04:00 PM PDT 18 April 2025
Sunday Wind northwest 10 to 20 knots becoming northwest 15 to 25 in the afternoon.
Monday Wind northwest 15 to 25 knots becoming northwest 15.
Tuesday Wind northwest 15 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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land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Johnstone Strait

Issued 4:00 PM PDT 18 April 2025

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 AM PDT 18 April 2025 Today Tonight and Saturday At 4:00 a.m. PDT today weakening trough located over Haida Gwaii
extending southwestward.
By 4:00 p.m. PDT today dissipating trough located over Vancouver
Island.

At 4:00 a.m. PDT today ridge located on a line northeast-southwest
over Bowie.
By 4:00 p.m. PDT today ridge located on a line northeast-southwest
over Queen Charlotte Sound.

Marine Weather Statement

Issued 3:50 PM PDT 18 April 2025 A strong ridge of high pressure is building over the offshore waters.

Gale force northwest winds have developed off the west coast of
Vancouver Island and will persist through Saturday. Strong
To gale force northwest winds are also expected over the inner South
Coast waters tonight through Saturday morning.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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