Johnstone Strait
Forecast
Marine Forecast
Issued 04:00 AM PST 10 November 2025
Today Tonight and Tuesday.
Strong wind warning in effect.
Wind northwest 15 to 20 knots diminishing to variable 5 to 15 this morning then increasing to southeast 15 to 25 early this evening. Wind becoming southeast 15 to 20 Tuesday morning.
Showers ending near noon. Periods of rain this afternoon tonight and Tuesday.
Extended Forecast
Issued 04:00 AM PST 10 November 2025
Wednesday
Wind southeast 10 to 20 knots increasing to
southeast 20 to 30 in the afternoon.
Thursday
Wind variable 5 to 15 knots becoming
northwest 10 to 20.
Friday
Wind light increasing to southeast 25 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 04:00 AM PST 10 November 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 AM PST 10 November 2025 Today Tonight and Tuesday At 4:00 a.m. PST today frontal system located over Bowie.By 9:30 p.m. PST tonight frontal system located over Cape Scott.
At 10:30 a.m. PST today low 980 mb located northwest of Bowie.
By 9:30 p.m. PST tonight weakening low 982 mb located north
of Bowie.
Marine Weather Statement
Issued 3:47 AM PST 10 November 2025 A frontal system moving into Bowie will generate southerly gale forcewinds this morning, spreading across the northern waters by this
afternoon. Winds will veer to strong westerlies in the wake of the
front.
The associated low pressure system northwest of Bowie will continue
to generate westerly gale force winds this afternoon and evening.
Pacific - South Coast Area
- Bowie
- 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
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