Johnstone Strait
Forecast
Marine Forecast
Issued 10:30 AM PDT 18 July 2025
Today Tonight and Saturday.
Strong wind warning in effect.
Wind northwest 20 to 30 knots diminishing to northwest 10 to 20 late overnight then becoming northwest 15 to 25 Saturday evening.
Extended Forecast
Issued 04:00 AM PDT 18 July 2025
Sunday
Wind northwest 10 to 20 knots.
Monday
Wind northwest 10 to 20 knots diminishing to
light.
Tuesday
Wind light becoming northwest 5 to 15 knots
late in the day.
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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 10:30 AM PDT 18 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 10:30 AM PDT 18 July 2025 Today Tonight and Saturday At 10:30 a.m. PDT today ridge located west of Bowie.By 8:00 p.m. PDT tonight ridge located over Bowie.
Marine Weather Statement
Issued 10:19 AM PDT 18 July 2025 A ridge of high pressure west of Bowie will slowly move eastwardsAnd reach Haida Gwaii this evening. Strong northwesterlies west of
Vancouver Island will increase to gale force this afternoon then
weaken to strong overnight.
Westerly winds through Juan de Fuca Strait will also increase to gale
force late this afternoon then ease to moderate to strong early
Saturday morning.
Pacific - South Coast Area
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