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Johnstone Strait

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Forecast

Marine Forecast

Issued 04:00 AM PST 17 December 2025

Today Tonight and Thursday.

Wind northwest 15 to 25 knots becoming northwest 10 to 20 early this morning then becoming southeast 10 to 20 near noon. Wind becoming southeast 15 to 25 early this evening then becoming northwest 10 to 20 near noon Thursday. Wind becoming northwest 15 to 25 Thursday evening.

Periods of rain.

Extended Forecast

Issued 04:00 AM PST 17 December 2025
Friday Wind southeast 10 to 20 knots veering to southwest 5 to 15 late in the day.
Saturday Wind southwest 5 to 15 knots.
Sunday Wind southeast 15 to 25 knots diminishing to southwest 10 to 15.

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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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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 AM PST 17 December 2025 Today Tonight and Thursday At 4:00 a.m. PST today low located over the Gulf of Alaska.
By 4:00 p.m. PST today low located over northern Bowie.

At 4:00 a.m. PST Thursday low 994 mb located southwest of Explorer.
By 10:30 a.m. PST Thursday low 987 mb located off Vancouver Island.

Marine Weather Statement

Issued 3:39 AM PST 17 December 2025 In the wake of a passing low pressure system, an unstable airmass
will be in place across the region. Gale force westerly winds will
persist today.

Another area of low pressure will approach Vancouver Island on
Thursday affecting most of the southern waters. Ahead of the low,
gale force southeasterly winds will develop Thursday morning. In its
wake, winds will shift to westerly gales Thursday afternoon. The gale
force winds will ease Thursday evening.

Pacific - South Coast Area

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Marine Weather for Canada

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