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Johnstone Strait

Warnings

Forecast

Marine Forecast

Issued 09:30 PM PDT 09 April 2020

Tonight and Friday.

Gale warning in effect.

Wind northwest 25 knots diminishing to northwest 15 to 20 near midnight then increasing to northwest 25 Friday afternoon. Wind increasing to northwest 35 early Friday evening.

Periods of drizzle overnight and Friday morning.

Extended Forecast

Issued 04:00 PM PDT 09 April 2020
Saturday Wind northwest 25 to 35 knots diminishing to northwest 15 to 25 in the morning and to northwest 5 to 15 in the afternoon.
Sunday Wind southeast 5 to 15 knots becoming northwest 5 to 15 late in the day.
Monday Wind northwest 10 to 20 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 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 10:03 PM PDT 09 April 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 9 April 2020 Tonight and Friday At 9:30 p.m. PDT tonight ridge located over northern Bowie.
By midnight PDT Friday ridge located over the offshore waters.

At 9:30 p.m. PDT tonight quasi-stationary trough located over the
Mainland Coast.

Marine Weather Statement

Issued 9:11 PM PDT 9 April 2020 A quasi-stationary trough will develop along the mainland coast
tonight and sharpen on Friday. The trough combined with an offshore
ridge will generate widespread strong northwest winds over most
waters except gale force off the coast of West Vancouver Island.
These winds will persist until Saturday morning.

In addition, a brief but strong push through Johnstone Strait Friday
night will result in marginal gale force northwesterlies through
The strait. Winds will ease by early Saturday morning.

Pacific - South Coast Area

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Marine Weather for Canada

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