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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PDT 15 April 2026

Today Tonight and Thursday.

Strong wind warning in effect.

Wind southeast 5 to 15 knots becoming northwest 15 this morning then increasing to northwest 20 to 30 early this afternoon. Wind becoming northwest 20 near midnight then diminishing to northwest 10 to 15 late overnight. Wind increasing to northwest 15 to 25 near noon Thursday.

Scattered showers this morning with a risk of thunderstorms.

Extended Forecast

Issued 04:00 AM PDT 15 April 2026
Friday Wind variable 10 knots increasing to southeast 10 to 20 in the afternoon.
Saturday Wind southeast 10 to 20 knots increasing to southeast 20 to 30.
Sunday Wind southeast 15 knots.

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Map of Pacific - Georgia Basin marine weather areas West Vancouver Discovery Island English Bay – 46304 Georgia Strait - 46303 Sentry Shoal - 46131 Halibut Bank - 46146 La Perouse Bank - 46206 Howe Sound - Pam Rocks Comox Airport Entrance Island Tsawwassen Ferry Terminal Sand Heads Lightstation Point Atkinson Squamish Airport Sechelt Powell River Airport Campbell River Airport Grief Point Tofino Airport Port Alberni Estevan Point Sisters Islets Nanaimo Airport Fanny Island Race Rocks Lightstation Vancouver Harbour Esquimalt Harbour Kelp Reefs Malahat Saturna Island Sheringham Point Vancouver Int'l Airport University of Victoria Victoria Gonzales Victoria Int'l Airport Ballenas Islands
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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 04:00 AM PDT 15 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 4:00 AM PDT 15 April 2026 Today Tonight and Thursday At 4:00 a.m. PDT today trough located over Queen Charlotte Sound.
By 4:00 p.m. PDT today departing trough located over southern
Vancouver Island.

At 4:00 a.m. PDT today building ridge located over Pacific Ocean.
By 4:00 a.m. PDT Thursday ridge located west of Explorer.

Marine Weather Statement

Issued 3:35 AM PDT 15 April 2026 Northwesterly gales over the offshore waters continue today as a
ridge of high pressure strengthens over the Pacific Ocean. Gales will
spread into west coast Vancouver Island this afternoon as the ridge
approaches the BC coast.

A trough sweeping across the southern waters will bring a risk of
thunderstorms and waterspouts this morning and afternoon.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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