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Johnstone Strait

Forecast

Marine Forecast

Issued 04:00 PM PDT 28 October 2020

Tonight and Thursday.

Strong wind warning in effect.

Wind southeast 5 to 15 knots increasing to southeast 15 to 20 this evening and to southeast 20 to 30 Thursday afternoon.

Periods of drizzle and fog patches changing to rain Thursday afternoon.

Extended Forecast

Issued 04:00 PM PDT 28 October 2020
Friday Wind northwest 20 to 30 knots diminishing to northwest 10 to 20 in the afternoon.
Saturday Wind southeast 15 knots increasing to southeast 25.
Sunday Wind southeast 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)

Strong wind warning in effect

Johnstone Strait

Issued 4:00 PM PDT 28 October 2020

'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 PM PDT 28 October 2020 Tonight and Thursday At 4:00 p.m. PDT today quasi-stationary frontal system located on
a line east-west over northern Vancouver Island.

At 4:00 a.m. PDT Thursday low located west of the offshore waters.
By 4:00 p.m. PDT Thursday low located over southern Bowie.

Marine Weather Statement

Issued 3:40 PM PDT 28 October 2020 A front lying across Northern Vancouver Island and Northern Explorer
will remain nearly stationary tonight. Moderate northeast winds north
of the front will shift to strong southwest to the south.

On Thursday morning, the front will advance northward as a deepening
low pressure system approaches the offshore waters. By Thursday
afternoon, a 989 MB low will lie just west of Queen Charlotte Sound.
The low will cross the Central Coast and move inland Thursday night.
Ahead of the low, gale to storm force southeasterlies will spread to
central waters and strong to gale force northeasterlies are forecast
over northern waters. Gale to storm force northwest winds will
develop Thursday night in the wake of the low.

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