Johnstone Strait
Forecast
Marine Forecast
Issued 04:00 PM PDT 07 July 2025
Tonight and Tuesday.
Strong wind warning in effect.
Wind northwest 15 to 25 knots diminishing to northwest 10 after midnight then becoming light early Tuesday morning. Wind increasing to northwest 15 to 20 Tuesday afternoon.
Scattered showers and fog patches beginning near midnight changing to rain Tuesday morning.
Extended Forecast
Issued 04:00 PM PDT 07 July 2025
Wednesday
Wind northwest 15 to 20 knots becoming
northwest 15 to 25 in the afternoon.
Thursday
Wind northwest 15 to 25 knots diminishing to
northwest 10.
Friday
Wind northwest 10 knots becoming
light.
Stay connected
Weather Conditions
Zoom-in to make a selection

Legend:


Ice Conditions
There is no ice forecast issued for this area.
Warnings
Warnings (In effect)
Strong wind warning in effect
Johnstone Strait
Issued 4:00 PM PDT 07 July 2025'Strong' winds of 20 to 33 knots are occurring or expected to occur in this marine area. 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 7 July 2025 Tonight and Tuesday At 4:00 p.m. PDT today weakening ridge located on a linenortheast-southwest over northern Vancouver Island.
At 4:00 p.m. PDT today frontal system located on a line
northeast-southwest over Haida Gwaii.
By 4:00 a.m. PDT Tuesday frontal system located off Cape Scott.
Marine Weather Statement
Issued 3:45 PM PDT 7 July 2025 A ridge of high pressure offshore will bring westerly gales throughcentral and eastern sections of Juan de Fuca Strait this evening and
overnight.
Pacific - Georgia Basin Area
Another Region
- Date modified: