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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 PM PDT 14 April 2026

Tonight and Wednesday.

Gale warning in effect.

Wind northwest 25 to 35 knots diminishing to northwest 10 to 20 late this evening then becoming southeast 5 to 15 late overnight. Wind becoming northwest 15 Wednesday morning then increasing to northwest 20 to 30 early Wednesday afternoon. Wind diminishing to northwest 10 to 20 Wednesday evening.

Showers ending this evening with a risk of thunderstorms. Scattered showers Wednesday morning with a risk of thunderstorms.

Extended Forecast

Issued 04:37 PM PDT 14 April 2026
Thursday Wind northwest 10 to 20 knots becoming northwest 15 to 25 in the afternoon.
Friday Wind variable 10 knots increasing to southeast 10 to 20 late in the day.
Saturday Wind southeast 10 to 20 knots increasing to southeast 20 to 30.

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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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land station Land Station
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Johnstone Strait

Issued 4:00 PM PDT 14 April 2026

'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 PM PDT 14 April 2026 Tonight and Wednesday At 4:00 p.m. PDT today cold front located on a line
northeast-southwest over southern Vancouver Island.
By 9:30 p.m. PDT tonight departing cold front located on a line
northeast-southwest over the Lower Mainland.

At 4:00 p.m. PDT today trough located over Haida Gwaii.
By 4:00 p.m. PDT Wednesday departing trough located over southern
Vancouver Island.

At 4:00 a.m. PDT Wednesday ridge located over Pacific Ocean.
By 9:30 p.m. PDT Wednesday high 1030 mb located west of Explorer.

Marine Weather Statement

Issued 3:50 PM PDT 14 April 2026 The cold front in continuing to track through southern waters
bringing a brief period of marginal northwesterly gales into tonight
over West Coast Vancouver Island South, Johnstone Strait, and Juan de
Fuca Strait.

Northwesterly gales are expected over the offshore waters into
Wednesday as a ridge of high pressure strengthens over the Pacific
Ocean. As the ridge of high pressure approaches the British Columbia
coast on Wednesday, northwesterly gales can be expected Wednesday
afternoon and evening over West Coast Vancouver Island South.

Additionally, the cold front is bringing the risk of thunderstorms to
portions of the southern waters into this evening. A trough behind
the cold front, will bring a risk of thunderstorms to the central and
northern waters tonight, and a risk of thunderstorms to the southern
waters Wednesday morning and afternoon.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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