Johnstone Strait
Forecast
Marine Forecast
Issued 09:30 PM PDT 16 June 2025
Tonight and Tuesday.
Strong wind warning in effect.
Wind northwest 10 to 20 knots diminishing to light near midnight then increasing to southeast 10 to 20 late overnight. Wind becoming southeast 15 to 25 near noon Tuesday then diminishing to southeast 5 to 15 early Tuesday evening.
Showers Tuesday evening.
Extended Forecast
Issued 04:00 PM PDT 16 June 2025
Wednesday
Wind light.
Thursday
Wind light.
Friday
Wind northwest 5 to 15 knots.
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 9:30 PM PDT 16 June 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 9:30 PM PDT 16 June 2025 Tonight and Tuesday At 9:30 p.m. PDT tonight quasi-stationary trough located overQueen Charlotte Sound extending southward.
At 9:30 p.m. PDT tonight quasi-stationary low 1002 mb located west
of Bowie.
At 9:30 p.m. PDT tonight trough from low located west of Bowie.
By 5:00 p.m. PDT Tuesday weakening trough from low located from
Bowie to Haida Gwaii then to Queen Charlotte Sound.
Marine Weather Statement
Issued 9:29 PM PDT 16 June 2025 A quasi-stationary trough of low pressure will maintain a marginalgale force southerly wind near the headlands of Vancouver Island
tonight through early Tuesday afternoon.
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
- 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
Another Region
- Date modified: