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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PDT 31 May 2025

Tonight and Sunday.

Gale warning in effect.

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

Periods of drizzle overnight and Sunday morning.

Extended Forecast

Issued 04:00 PM 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 - South Coast marine weather areas Vancouver Harbour Sechelt East Dellwood - 46207 Squamish Airport Powell River Airport Sand Heads Lightstation Discovery Island Georgia Strait - 46303 Vancouver Int'l Airport Cape St.James Tsawwassen Ferry Terminal English Bay – 46304 Point Atkinson Herbert Island Bella Bella Airport West Vancouver Bella Coola Airport Cathedral Point Campbell River Airport South Nomad - 46036 Malahat Sentry Shoal - 46131 Race Rocks Lightstation Kelp Reefs Esquimalt Harbour Saturna Island South Brooks - 46132 Sheringham Point University of Victoria Halibut Bank - 46146 Victoria Gonzales Victoria Int'l Airport Ballenas Islands South Moresby - 46147 Estevan Point Howe Sound - Pam Rocks Grief Point La Perouse Bank - 46206 Tofino Airport Solander Island Sartine Island Port Alberni West Sea Otter - 46204 Comox Airport Sisters Islets Port Hardy Airport South Hecate Strait - 46185 Nanaimo Airport Fanny Island Entrance Island
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Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Johnstone Strait

Issued 9:30 PM 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 9:30 PM PDT 31 May 2025 Tonight and Sunday At 9:30 p.m. PDT tonight 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 9:19 PM PDT 31 May 2025 A ridge of high pressure is building over offshore waters. Marginal
northwesterly gales are expected over west coast Vancouver Island and
Johnstone Strait. Strong northwesterly winds are expected for the
rest of the southern waters.

Pacific - South Coast Area

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Marine Weather for Canada

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