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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 10:30 AM PDT 18 April 2026

Today Tonight and Sunday.

Strong wind warning in effect.

Wind southeast 15 to 25 knots diminishing to southeast 5 to 15 after midnight then becoming light Sunday morning. Wind becoming northwest 5 to 15 Sunday evening.

Showers tonight.

Extended Forecast

Issued 04:00 AM PDT 18 April 2026
Monday Wind light increasing to northwest 10 to 20 knots in the afternoon.
Tuesday Wind northwest 5 to 15 knots increasing to northwest 15 to 25.
Wednesday Wind northwest 25 to 35 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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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 10:30 AM PDT 18 April 2026

'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 10:30 AM PDT 18 April 2026 Today Tonight and Sunday At 10:30 a.m. PDT today frontal system located west of Haida Gwaii.
By 4:00 p.m. PDT today frontal system located from Haida Gwaii
to Explorer.

At 4:00 a.m. PDT Sunday weakening frontal system located from Cape
St. James to Explorer.
By 4:00 p.m. PDT Sunday departing trough located southwest of
Explorer.

At 4:00 p.m. PDT Sunday building ridge located on a line
northeast-southwest over the Alaska panhandle.

Marine Weather Statement

Issued 10:21 AM PDT 18 April 2026 A frontal system crossing the offshore waters today will bring
southeasterly gales to most marine regions except the inner South
Coast.

As the system stalls and weakens tonight, southeasterly gales will
gradually ease overnight into early Sunday morning.

Pacific - South Coast Area

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Marine Weather for Canada

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