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Johnstone Strait

Forecast

Marine Forecast

Issued 04:00 AM PDT 27 September 2021

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind southeast 20 to 30 knots diminishing to southeast 10 to 20 early this evening then becoming northwest 10 to 20 Tuesday morning. Wind diminishing to light Tuesday evening.

Showers. Risk of thunderstorms today and this evening.

Extended Forecast

Issued 04:00 AM PDT 27 September 2021
Wednesday Wind southeast 35 to 45 knots.
Thursday Wind southwest 15 to 25 knots becoming southeast 15.
Friday Wind northwest 15 knots diminishing to light late in the day.

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Weather Conditions

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Map of Pacific - Georgia Basin marine weather areas Sentry Shoal - 46131 Halibut Bank - 46146 La Perouse Bank - 46206 Georgia Strait - 46303 English Bay - 46304 Discovery Island Esquimalt Harbour Kelp Reefs Malahat Race Rocks Lightstation Saturna Island Sheringham Point University of Victoria Victoria Gonzales Victoria Int'l Airport Ballenas Islands Campbell River Airport Comox Airport Entrance Island Fanny Island Nanaimo Airport Sisters Islets Estevan Point Port Alberni Tofino Airport Grief Point Howe Sound - Pam Rocks Powell River Airport Sechelt Squamish Airport Point Atkinson Sand Heads Lightstation Tsawwassen Ferry Terminal Vancouver Int'l Airport Vancouver Harbour West Vancouver
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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 PDT 27 September 2021

'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 PDT 27 September 2021 Today Tonight and Tuesday At 4:00 a.m. PDT today low 982 mb located 90 miles southwest of
Cape St. James.
By 8:00 p.m. PDT tonight departing low 992 mb located over Prince
Rupert.

At 8:00 p.m. PDT tonight ridge located west of Bowie.
By 8:00 p.m. PDT Tuesday departing ridge located on a line
north-south over Vancouver.

At 4:00 a.m. PDT Tuesday approaching cold front located west
of Bowie.

Marine Weather Statement

Issued 3:56 AM PDT 27 September 2021 A 982 MB low 90 miles southwest of cape St. James will move across
Haida Gwaii today and then inland across Prince Rupert this evening
as it weakens.

Widespread southerly gales over northern and central waters and west
of Vancouver Island will shift to northwest gales to the west of the
low. Winds will diminish overnight as a ridge of high pressure builds
in from the west.

Pacific - Georgia Basin Area

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