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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PDT 21 May 2026

Tonight and Friday.

Gale warning in effect.

Wind northwest 15 to 25 knots increasing to northwest 25 to 35 late Friday afternoon.

Periods of drizzle and fog patches overnight and Friday morning.

Extended Forecast

Issued 04:00 PM PDT 21 May 2026
Saturday Wind northwest 15 to 20 knots increasing to northwest 20 to 30 in the afternoon.
Sunday Wind variable 5 to 15 knots increasing to southeast 20 to 30 late in the day.
Monday Wind southeast 20 to 30 knots becoming northwest 15 to 25 late in the day.

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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 Sheringham Point Vancouver Int'l Airport University of Victoria Victoria Gonzales Victoria Int'l Airport Ballenas Islands
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buoy Buoy
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 PDT 21 May 2026

'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 21 May 2026 Tonight and Friday At 9:30 p.m. PDT tonight building ridge located on a line
northeast-southwest over western Bowie.
By 4:00 a.m. PDT Saturday quasi-stationary ridge located from
Explorer to the Central Coast.

At 4:00 p.m. PDT Friday trough located off Bowie.
By 10:30 a.m. PDT Saturday departing trough located on a line
north-south over Hecate Strait.

Marine Weather Statement

Issued 9:16 PM PDT 21 May 2026 Ahead of a ridge of high pressure, northwesterly gales over Johnstone
Strait and West Vancouver Island will develop Friday afternoon and
then ease early Saturday morning.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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