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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PST 18 November 2025

Tonight and Wednesday.

Gale warning in effect.

Wind southeast 15 to 20 knots increasing to southeast 20 to 30 late overnight and to southeast 30 to 40 late Wednesday morning.

Extended Forecast

Issued 04:00 PM PST 18 November 2025
Thursday Wind southeast 15 to 20 knots increasing to southeast 25 late in the day.
Friday Wind southeast 15 to 25 knots becoming northwest 10 to 20.
Saturday Wind southeast 10 to 15 knots becoming northwest 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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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 9:30 PM PST 18 November 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 PST 18 November 2025 Tonight and Wednesday At 9:30 p.m. PST tonight departing ridge located on a line
northeast-southwest over central Vancouver Island.

At 9:30 p.m. PST tonight frontal system located off Bowie.
By 9:30 p.m. PST Wednesday weakening cold front located on a line
northwest-southeast over Hecate Strait.

Marine Weather Statement

Issued 9:33 PM PST 18 November 2025 An approaching frontal system will track across the offshore waters
on Wednesday and weaken over Hecate Strait in the evening.

Ahead of the front, gale to storm force southeasterlies over
Offshore and northern waters will spread to central and southern
waters Wednesday morning. Winds will shift to strong to gale
Force southerlies in the wake of the front.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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