Johnstone Strait
Forecast
Marine Forecast
Issued 04:00 PM PDT 21 March 2025
Tonight and Saturday.
Gale warning in effect.
Wind light increasing to southeast 5 to 15 knots late Saturday morning and to southeast 25 to 35 Saturday evening.
Showers ending near midnight. Rain Saturday afternoon and evening. Visibility as low as 1 mile in rain.
Extended Forecast
Issued 04:00 PM PDT 21 March 2025
Sunday
Wind southeast 25 to 35 knots diminishing to
southeast 20 late in the day.
Monday
Wind southeast 10 to 20 knots.
Tuesday
Wind southeast 20 knots.
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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 4:00 PM PDT 21 March 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 4:00 PM PDT 21 March 2025 Tonight and Saturday At 4:00 p.m. PDT today building ridge located over Explorer.At 4:00 a.m. PDT Saturday trough located over the offshore waters.
By 4:00 p.m. PDT Saturday trough located west of Haida Gwaii.
Marine Weather Statement
Issued 3:55 PM PDT 21 March 2025 A developing front over the offshore waters will arrive Saturdayafternoon bringing southeast gales from Haida Gwaii and the North
Coast through the central waters to Explorer region. Gales will
increase to storm force near the headlands of Vancouver Island
Saturday evening. As the front sweeps onto the South Coast it will
bring gales to some inner straits overnight and early Sunday
Morning.
Pacific - South Coast Area
- Bowie - southern half
- 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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