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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PDT 22 October 2020

Tonight and Friday.

Gale warning in effect.

Wind southeast 15 knots increasing to southeast 25 after midnight and to southeast 35 late overnight. Wind diminishing to southeast 25 Friday morning and to east 5 to 15 Friday afternoon. Wind 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 - South Coast marine weather areas South Nomad - 46036 Sentry Shoal - 46131 South Brooks - 46132 Halibut Bank - 46146 South Moresby - 46147 South Hecate Strait - 46185 West Sea Otter - 46204 La Perouse Bank - 46206 East Dellwood - 46207 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 Port Hardy Airport Sisters Islets Estevan Point Port Alberni Sartine Island Solander Island Tofino Airport Grief Point Howe Sound - Pam Rocks Powell River Airport Sechelt Squamish Airport Cape St.James Bella Bella Airport Bella Coola Airport Cathedral Point Herbert Island 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 02:01 AM PDT 23 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 9:30 PM PDT 22 October 2020 Tonight and Friday At 9:30 p.m. PDT tonight frontal system located over southern
Haida Gwaii.
By 10:30 a.m. PDT Friday departing frontal system located over
Juan de Fuca Strait.

At 9:30 p.m. PDT tonight building ridge located over northern
BC interior.
By 4:00 p.m. PDT Friday building ridge located over BC interior.

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

Marine Weather Statement

Issued 9:15 PM PDT 22 October 2020 A frontal system will continue to cross the 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 - South Coast Area

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Marine Weather for Canada

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