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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 10:30 AM PST 09 December 2025

Today Tonight and Wednesday.

Wind southeast 10 to 20 knots increasing to southeast 20 to 30 late this afternoon then diminishing to southeast 10 to 20 near midnight. Wind diminishing to light late overnight then increasing to southeast 10 to 20 Wednesday morning. Wind becoming northwest 10 to 20 Wednesday evening.

Rain beginning near noon changing to showers Wednesday evening.

Extended Forecast

Issued 04:00 AM PST 09 December 2025
Thursday Wind northwest 10 to 20 knots diminishing to light in the morning.
Friday Wind light increasing to northwest 15 to 25 knots.
Saturday Wind light increasing to southeast 20 to 30 knots.

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Map of Pacific - South Coast marine weather areas Vancouver Harbour Sechelt East Dellwood - 46207 Squamish Airport Powell River Airport Sand Heads Lightstation Discovery Island Georgia Strait - 46303 Vancouver Int'l Airport Cape St.James Tsawwassen Ferry Terminal English Bay – 46304 Point Atkinson Herbert Island Bella Bella Airport West Vancouver Bella Coola Airport Cathedral Point Campbell River Airport South Nomad - 46036 Malahat Sentry Shoal - 46131 Race Rocks Lightstation Kelp Reefs Esquimalt Harbour Saturna Island South Brooks - 46132 Sheringham Point University of Victoria Halibut Bank - 46146 Victoria Gonzales Victoria Int'l Airport Ballenas Islands South Moresby - 46147 Estevan Point Howe Sound - Pam Rocks Grief Point La Perouse Bank - 46206 Tofino Airport Solander Island Sartine Island Port Alberni West Sea Otter - 46204 Comox Airport Sisters Islets Port Hardy Airport South Hecate Strait - 46185 Nanaimo Airport Fanny Island Entrance Island
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Ice Conditions

There is no ice forecast issued for this area.

Warnings

No watches or warnings in effect.

Synopsis

Technical Marine Synopsis

Issued 10:30 AM PST 9 December 2025 Today Tonight and Wednesday At 10:30 a.m. PST today frontal system located over Bowie.
By 10:00 p.m. PST tonight frontal system located from the Central
Coast to Vancouver Island.

At 4:00 a.m. PST Wednesday trough located on a line east-west over
northern Bowie.
By 4:00 p.m. PST Wednesday trough located on a line east-west over
southern Haida Gwaii.

Marine Weather Statement

Issued 10:30 AM PST 9 December 2025 A frontal system will approach the North Coast today, bringing
southeast gales to the central and northern waters. Winds will rise
to storm force southeasterlies over the central waters late this
afternoon. Winds will shift to strong to gale force westerly behind
the system this evening.

A trough will move southward from Bowie to lie over Queen Charlotte
Sound Wednesday evening. Ahead of the trough, winds will rise to
southwesterly gales over the central waters then shift to strong to
gale force northwesterly in its wake. Winds will subside Wednesday
evening.

Pacific - South Coast Area

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Marine Weather for Canada

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