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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 10:30 AM PDT 31 May 2025

Today Tonight and Sunday.

Gale warning in effect.

Wind northwest 15 to 25 knots increasing to northwest 25 to 35 this afternoon then diminishing to northwest 20 near midnight. Wind increasing to northwest 25 to 35 Sunday afternoon.

Periods of rain ending this afternoon. Periods of drizzle overnight and Sunday morning.

Extended Forecast

Issued 04:00 AM PDT 31 May 2025
Monday Wind northwest 20 to 30 knots.
Tuesday Wind northwest 15 to 20 knots.
Wednesday Wind northwest 10 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 10:30 AM PDT 31 May 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 PM PDT 31 May 2025 Tonight and Sunday At 4:00 p.m. PDT today building ridge located west of the offshore
waters.
By 4:00 a.m. PDT Sunday quasi-stationary ridge located over Bowie.

At 10:30 a.m. PDT Sunday ridge located over Bowie.
By 9:30 p.m. PDT Sunday ridge located over Haida Gwaii to Explorer.

At 4:00 p.m. PDT Sunday frontal system located northwest of Bowie.

Marine Weather Statement

Issued 10:16 AM PDT 31 May 2025 A ridge of high pressure is builiding over offshore waters today.
Strong northwesterlies will prevail for most southern waters, except
gale force northwesterlies will develop along the west side of
Vancouver Island by this afternoon. Gale force northwesterlies
Over West Vancouver Island will slightly weaken on Sunday morning,
then redevelop on Sunday afternoon.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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