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Johnstone Strait

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Forecast

Marine Forecast

Issued 04:00 PM PST 06 December 2025

Tonight and Sunday.

Wind southeast 5 to 15 knots increasing to southeast 20 to 30 after midnight then diminishing to southeast 10 to 20 late Sunday morning. Wind becoming southeast 15 to 25 Sunday evening.

Rain beginning overnight changing to showers near noon Sunday.

Extended Forecast

Issued 04:00 PM PST 06 December 2025
Monday Wind southeast 15 to 25 knots increasing to southeast 30 in the morning then becoming west 30 in the afternoon.
Tuesday Wind southwest 15 knots increasing to southeast 20 to 30 late in the day.
Wednesday Wind northwest 25 knots diminishing to light 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 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

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 4:00 PM PST 6 December 2025 Tonight and Sunday At 4:00 p.m. PST today quasi-stationary low located over the Gulf
of Alaska.

At 4:00 p.m. PST today trough located west of the offshore waters.
By 4:00 a.m. PST Sunday trough located from Haida Gwaii to Explorer.

At 10:00 a.m. PST Sunday trough located over Bowie.
By 4:00 p.m. PST Sunday trough located on a line east-west over
Cape St. James.

Marine Weather Statement

Issued 3:46 PM PST 6 December 2025 The first in a series of troughs will move across the offshore waters
this evening. Ahead of the trough, southwesterly gales will develop
over the central and northern waters tonight. These gales will
persist through Monday as additional troughs track across the region.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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