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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PDT 17 April 2025

Today Tonight and Friday.

Strong wind warning in effect.

Wind light becoming northwest 5 to 15 knots this afternoon then becoming light overnight. Wind increasing to northwest 10 to 20 Friday afternoon and to northwest 20 to 30 Friday evening.

Showers Friday evening.

Extended Forecast

Issued 04:00 AM PDT 17 April 2025
Saturday Wind northwest 15 to 25 knots.
Sunday Wind light increasing to northwest 15 to 25 knots late in the day.
Monday Wind northwest 15 to 25 knots becoming northwest 10 to 20.

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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

Warnings (In effect)

Strong wind warning in effect

Johnstone Strait

Issued 04:00 AM PDT 17 April 2025

'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 4:00 AM PDT 17 April 2025 Today Tonight and Friday At 4:00 a.m. PDT today ridge located on a line north-south over
Langara.
By 4:00 p.m. PDT today ridge located from Haida Gwaii to Explorer.

At 4:00 a.m. PDT today ridge located over BC interior.
By 10:30 a.m. PDT today weakening ridge located over BC interior.

At 4:00 a.m. PDT today trough located west of Bowie.
By 9:30 p.m. PDT tonight weakening trough located over Bowie.

Marine Weather Statement

Issued 3:27 AM PDT 17 April 2025 A ridge of high pressure over the BC Interior is generating
Strong to gale force outflow winds through Howe Sound. The outflow
will ease this morning as the ridge weakens.

On Friday, a trough of low pressure will move down the BC coasts.
Strong to gale force northwest winds will develop in the wake of this
system.

Pacific - South Coast Area

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Marine Weather for Canada

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