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Johnstone Strait

Forecast

Marine Forecast

Issued 04:00 PM PDT 22 October 2020

Tonight and Friday.

Gale warning in effect.

Wind light increasing to southeast 15 knots this evening and to southeast 25 after midnight. Wind increasing to southeast 35 late overnight then diminishing to southeast 25 Friday morning. Wind diminishing to east 5 to 15 Friday afternoon then becoming east 15 Friday evening except northeasterly outflow 30 to 40 near the mainland inlets.

Rain tonight and Friday.

Extended Forecast

Issued 04:00 PM PDT 22 October 2020
Saturday Wind northeasterly outflow 30 to 40 knots.
Sunday Wind southeast 5 to 15 knots.
Monday Wind southeast 15 to 25 knots.

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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
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Johnstone Strait

Issued 4:00 PM PDT 22 October 2020

'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 4:00 PM PDT 22 October 2020 Tonight and Friday At 4:00 p.m. PDT today frontal system located over Bowie.
By 10:30 a.m. PDT Friday departing frontal system located over
Juan de Fuca Strait.

At 4:00 p.m. PDT today building ridge located over northern BC
interior.
By 4:00 p.m. PDT Friday intensifying ridge located over BC interior.

At 10:30 p.m. PDT Friday quasi-stationary trough located west of
Vancouver Island.

Marine Weather Statement

Issued 3:47 PM PDT 22 October 2020 A frontal system will cross northern and central waters tonight
producing southeasterly gales from Bowie to waters surrounding
Northern Vancouver Island. Winds will ease to strong northeasterly
overnight in Bowie and late Friday morning across waters surrounding
Northern Vancouver Island.

A trough develops west of Vancouver Island late Friday in the
Wake of the frontal system. Gale force northwesterlies will develop
over Southeastern Explorer and parts of West Coast Vancouver Island
South Friday night.

A ridge of high pressure over BC Interior will intensify on Friday.
Strong to gale force northerly outflow winds will develop through the
mainland inlets of the BC coast. The winds are expected to continue
through the weekend.

Pacific - Georgia Basin Area

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