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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 10:30 AM PST 08 December 2025

Today Tonight and Tuesday.

Gale warning in effect.

Wind southeast 25 to 35 knots becoming northwest 20 to 30 late this afternoon then diminishing to northwest 10 to 20 this evening. Wind diminishing to light after midnight then increasing to southeast 10 to 20 Tuesday morning. Wind increasing to southeast 20 to 30 Tuesday afternoon.

Rain ending this evening. Rain Tuesday afternoon and evening.

Extended Forecast

Issued 04:00 AM PST 08 December 2025
Wednesday Wind southeast 15 to 25 knots becoming northwest 10 to 20 in the afternoon.
Thursday Wind light.
Friday Wind light.

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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)

Gale warning in effect

Johnstone Strait

Issued 11:36 AM PST 08 December 2025

'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 10:30 AM PST 8 December 2025 Today Tonight and Tuesday At 10:30 a.m. PST today low 977 mb located over Bowie.
By 7:00 p.m. PST tonight departing low 980 mb located over the
southern Alaska panhandle.

At 10:00 a.m. PST Tuesday frontal system located southwest of the
offshore waters.
By 10:00 p.m. PST Tuesday frontal system located from Hecate Strait
to Vancouver Island.

Marine Weather Statement

Issued 10:34 AM PST 8 December 2025 A frontal system moving through the northern waters today will bring
storm force westerlies across the northern waters. Hurricane force
gusts are possible with this system, particularly over Bowie and
northern section of west coast Haida Gwaii.

Southwesterly gales have developed across Explorer and the southern
waters and will spread into Juan de Fuca Strait this afternoon.
Over the Strait of Georgia southeasterly gales are expected this
afternoon. Winds will ease tonight as the system moves inland.

Another front will approach the offshore waters on Tuesday, bringing
southeast gales to the central and northern waters. Winds will shift
to strong to gale force westerly behind the system Tuesday night.

Pacific - South Coast Area

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Marine Weather for Canada

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