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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 04:00 AM PDT 18 May 2026

Today Tonight and Tuesday.

Gale warning in effect.

Wind northwest 15 knots diminishing to light early this morning then increasing to northwest 15 early this evening. Wind increasing to northwest 25 to 35 Tuesday afternoon.

Showers this evening.

Extended Forecast

Issued 04:00 AM PDT 18 May 2026
Wednesday Wind northwest 15 to 25 knots increasing to northwest 30 in the afternoon.
Thursday Wind northwest 15 to 25 knots increasing to northwest 30 late in the day.
Friday Wind northwest 20 to 30 knots increasing to northwest 35 late in the day.

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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 04:00 AM PDT 18 May 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 AM PDT 18 May 2026 Today Tonight and Tuesday At 4:00 a.m. PDT today ridge located on a line north-south over
northern Vancouver Island.
By 10:30 a.m. PDT today weakening ridge located on a line
north-south over central Vancouver Island.

At 4:00 a.m. PDT today trough located over eastern Bowie.
By 5:00 p.m. PDT today trough located on a line north-south over
Queen Charlotte Sound.

Marine Weather Statement

Issued 3:52 AM PDT 18 May 2026 A trough over Eastern Bowie will continue to move eastward this
morning generating southeasterly gales over Dixon Entrance East and
northern sections of Hecate Strait early this morning. Winds will
weaken later this morning.

Marginal westerly gales are expected to develop over eastern
Sections of Juan de Fuca late this afternoon and this evening.

Pacific - Georgia Basin Area

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Marine Weather for Canada

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