Johnstone Strait
Forecast
Marine Forecast
Issued 09:30 PM PST 04 March 2026
Tonight and Thursday.
Wind northwest 25 knots diminishing to northwest 5 to 15 late overnight then becoming light late Thursday morning. Wind increasing to southeast 10 to 20 late Thursday afternoon and to southeast 25 Thursday evening.
Showers ending overnight. Rain Thursday evening.
Strong wind warning program has ended for the season.
Extended Forecast
Issued 04:00 PM PST 04 March 2026
Friday
Wind southeast 15 to 25 knots.
Saturday
Wind southeast 10 to 20 knots veering to
southwest 5 to 15.
Sunday
Wind southeast 10 to 20 knots increasing to
west 20 to 30.
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Weather Conditions
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Ice Conditions
There is no ice forecast issued for this area.
Warnings
No watches or warnings in effect.
Synopsis
Technical Marine Synopsis
Issued 9:30 PM PST 4 March 2026 Tonight and Thursday At 9:30 p.m. PST tonight ridge located west of the offshore waters.By 4:00 p.m. PST Thursday weakening ridge located on a line
northeast-southwest over central Vancouver Island.
At 9:30 p.m. PST tonight trough located over western Bowie.
By 4:00 p.m. PST Thursday departing trough located over the
North Coast.
Marine Weather Statement
Issued 9:22 PM PST 4 March 2026 Strong to gale force westerlies continue over Juan de Fuca Straitthis evening ahead of an offshore ridge. These gales will ease by
Thursday morning.
An approaching trough will track across northern waters overnight,
bringing a brief swath of strong to gale force southerlies just ahead
of the trough.
Pacific - Georgia Basin Area
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