Johnstone Strait
Forecast
Marine Forecast
Issued 09:30 PM PDT 01 July 2025
Tonight and Wednesday.
Strong wind warning in effect.
Wind northwest 25 to 30 knots diminishing to northwest 10 to 20 after midnight then becoming northwest 15 to 25 early Wednesday afternoon.
Scattered showers overnight and Wednesday morning.
Extended Forecast
Issued 04:00 PM PDT 01 July 2025
Thursday
Wind northwest 10 to 20 knots increasing to
northwest 20 to 30 in the afternoon.
Friday
Wind northwest 10 to 15 knots increasing to
northwest 15 to 25 late in the day.
Saturday
Wind northwest 10 to 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)
Strong wind warning in effect
Johnstone Strait
Issued 9:30 PM PDT 01 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 9:30 PM PDT 1 July 2025 Tonight and Wednesday At 9:30 p.m. PDT tonight ridge located west of the offshore waters.By 4:00 p.m. PDT Wednesday ridge located on a line north-south
over Bowie.
Marine Weather Statement
Issued 9:15 PM PDT 1 July 2025 A ridge of high pressure to the west of Vancouver Island isgenerating gale force westerly winds through Juan de Fuca Strait.
These winds will ease near midnight and then redevelop late Wednesday
afternoon.
Pacific - South Coast Area
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