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Johnstone Strait

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Forecast

Marine Forecast

Issued 09:30 PM PST 16 December 2025

Tonight and Wednesday.

Wind southwest 10 knots increasing to northwest 15 to 25 near midnight then becoming northwest 10 to 20 early Wednesday morning. Wind becoming southeast 10 to 20 near noon Wednesday then becoming southeast 15 to 25 early Wednesday evening.

Periods of rain.

Extended Forecast

Issued 04:00 PM PST 16 December 2025
Thursday Wind southeast 20 to 30 knots becoming northwest 20 to 30 in the afternoon then diminishing to northwest 10 to 20 late in the day.
Friday Wind southeast 10 to 20 knots.
Saturday Wind northwest 15 knots backing to southwest 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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buoy Buoy
land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 9:30 PM PST 16 December 2025 Tonight and Wednesday At 9:30 p.m. PST tonight low 978 mb located over the North Coast.

At 4:00 a.m. PST Wednesday low located over the Gulf of Alaska.
By midnight PST Wednesday low located over northern Bowie.

Marine Weather Statement

Issued 9:23 PM PST 16 December 2025 A low pressure system crossing Haida Gwaii will reach the mainland
North Coast later this evening then move inland. Gale to storm force
southerly to westerly winds are expected across most marine regions.

In the wake of this system, an unstable airmass will be in place
across the region. Strong to gale force westerly winds will persist
through Wednesday.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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