Johnstone Strait
Forecast
Marine Forecast
Issued 10:30 AM PST 08 November 2025
Today Tonight and Sunday.
Gale warning in effect.
Wind southeast 20 to 30 knots increasing to southeast 30 to 40 near noon then diminishing to southeast 20 to 30 Sunday afternoon.
Rain Sunday.
Extended Forecast
Issued 04:00 AM PST 08 November 2025
Monday
Wind southeast 10 to 20 knots becoming
northwest 5 to 15 in the morning then becoming light late in the day.
Tuesday
Wind light.
Wednesday
Wind southeast 5 to 15 knots increasing to
southeast 15 to 25.
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Weather Conditions
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Ice Conditions
There is no ice forecast issued for this area.
Warnings
Warnings (In effect)
Gale warning in effect
Johnstone Strait
Issued 10:30 AM PST 08 November 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 November 2025 Today Tonight and Sunday At 10:30 a.m. PST today building ridge located over BC interior.By 4:00 a.m. PST Sunday ridge located over southern BC interior.
At 10:30 a.m. PST today intensifying frontal system located west
of Haida Gwaii.
By 4:00 a.m. PST Sunday frontal system located from Hecate Strait
to Cape Scott.
At 10:30 a.m. PST today trough located over western Bowie.
By 4:00 a.m. PST Sunday trough located on a line northeast-southwest
over Bowie.
Marine Weather Statement
Issued 10:27 AM PST 8 November 2025 A frontal system will intensify over northern and central waters, andwaters surrounding Northern Vancouver Island this morning. Gale to
storm force southeasterly winds are forecast today through late
Sunday.
Pacific - South Coast Area
- Bowie
- Central Coast from McInnes Island to Pine Island
- Explorer - northwestern half
- Explorer - southeastern half
- Haro Strait
- Hecate Strait - southern half
- Howe Sound
- Johnstone Strait
- Juan de Fuca Strait - central strait
- Juan de Fuca Strait - east entrance
- Juan de Fuca Strait - west entrance
- Queen Charlotte Sound - eastern half
- Queen Charlotte Sound - western half
- Queen Charlotte Strait
- Strait of Georgia - north of Nanaimo
- Strait of Georgia - south of Nanaimo
- West Coast Haida Gwaii - southern half
- West Coast Vancouver Island North
- West Coast Vancouver Island South
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