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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PST 06 November 2025

Tonight and Friday.

Strong wind warning in effect.

Wind southeast 20 to 30 knots diminishing to southeast 10 to 20 near midnight and to light early Friday morning. Wind becoming southeast 15 Friday evening.

Rain changing to showers near midnight and ending Friday afternoon.

Extended Forecast

Issued 04:00 PM PST 06 November 2025
Saturday Wind southeast 20 knots increasing to southeast 30 to 40 in the afternoon.
Sunday Wind southeast 30 to 40 knots diminishing to southeast 20 late in the day.
Monday Wind light.

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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)

Strong wind warning in effect

Johnstone Strait

Issued 9:30 PM PST 06 November 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 PST 6 November 2025 Tonight and Friday At 9:30 p.m. PST tonight departing low 983 mb located over northern
Vancouver Island.

At 4:00 a.m. PST Friday building ridge located southwest of the
offshore waters.
By 4:00 p.m. PST Friday ridge located on a line north-south over
Vancouver Island.

At 4:00 a.m. PST Saturday intensifying frontal system located over
the western offshore waters.
By 4:00 p.m. PST Saturday frontal system located over eastern Bowie.

Marine Weather Statement

Issued 9:21 PM PST 6 November 2025 A 983 millibar low will move inland after midnight while weakening.
In the wake of the low, winds will shift to gale to storm force
westerlies waters this evening then weaken to strong Friday morning.

Another strong front is forecast to arrive Saturday bringing storm
force southerly winds to central and northern waters.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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