Johnstone Strait
Forecast
Marine Forecast
Issued 10:30 AM PDT 29 September 2023
Today Tonight and Saturday.
Gale warning in effect.
Wind northwest 5 to 15 knots increasing to northwest 15 to 25 late this afternoon then becoming northwest 15 to 20 after midnight. Wind increasing to northwest 25 to 35 Saturday afternoon then diminishing to northwest 15 to 25 Saturday evening.
Periods of drizzle overnight and Saturday morning. Fog patches forming after midnight and dissipating near noon Saturday.
Extended Forecast
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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)
Gale warning in effect
Johnstone Strait
Issued 10:30 AM PDT 29 September 2023'Gale' force winds of 34 to 47 knots are occurring or expected to occur in this marine area. Watch for updated statements. 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 29 September 2023 Today Tonight and Saturday At 10:30 a.m. PDT today building ridge located west of the offshorewaters.
At 4:00 a.m. PDT Saturday ridge located on a line north-south
over Bowie.
By 11:00 p.m. PDT Saturday ridge located on a line
northeast-southwest over Queen Charlotte Sound.
At 11:00 a.m. PDT Saturday frontal system located west of Bowie.
By 11:00 p.m. PDT Saturday frontal system located over Bowie.
Marine Weather Statement
Issued 10:16 AM PDT 29 September 2023 A ridge of high pressure continues to build over the offshore waterstoday and moves into central waters on Saturday. Northwesterly
marginal gales will develop off West Vancouver Island this evening
and persist through Saturday. Northwesterly marginal gales are also
expected through Johnstone Strait Saturday afternoon.
A frontal system will slide eastward across Bowie Saturday evening.
Ahead of the system, southerly gales are expected over northern
waters.
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
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