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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PDT 21 May 2025

Tonight and Thursday.

Strong wind warning in effect.

Wind northwest 15 to 25 knots diminishing to northwest 5 to 15 after midnight then becoming light Thursday morning. Wind increasing to northwest 15 to 20 late Thursday afternoon.

Extended Forecast

Issued 04:00 PM PDT 21 May 2025
Friday Wind light increasing to southeast 10 to 20 knots in the morning.
Saturday Wind southeast 15 to 25 knots diminishing to southeast 10 to 15 late in the day.
Sunday Wind southeast 10 to 20 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

Warnings (In effect)

Strong wind warning in effect

Johnstone Strait

Issued 9:30 PM PDT 21 May 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 22 May 2025 Today Tonight and Friday At 4:00 a.m. PDT today weakening ridge located from Haida Gwaii
to Explorer.
By 10:00 p.m. PDT tonight ridge located off Vancouver Island.

At 4:00 a.m. PDT today frontal system located off Bowie.
By 4:00 a.m. PDT Friday frontal system located from Haida Gwaii
to Explorer.

Marine Weather Statement

Issued 3:40 AM PDT 22 May 2025 A frontal system will approach the northern waters tonight. Ahead of
the system, strong to gale force southeasterlies will develop over
the northern and central waters tonight and early Friday. As the
system stalls near Haida Gwaii on Friday, strong to gale force
southeasterlies will prevail to the east of the frontal system.

Pacific - South Coast Area

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Marine Weather for Canada

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