Johnstone Strait

Forecast

Marine Forecast

Issued 10:30 AM PST 15 December 2017

Today Tonight and Saturday.

Gale warning in effect.

Wind northwest 15 to 20 knots increasing to northwest 20 to 30 near noon then diminishing to northwest 15 this evening. Wind diminishing to light near midnight then increasing to southeast 15 to 25 near noon Saturday. Wind increasing to southeast 25 to 35 Saturday afternoon.

Showers ending this afternoon. Rain beginning near noon Saturday.

Extended Forecast

Issued 04:00 AM PST 15 December 2017
Sunday Wind southeast 10 to 20 knots becoming northwest 10 to 20 in the afternoon.
Monday Wind northwest 5 to 15 knots becoming light.
Tuesday Wind northwest 20 to 30 knots.

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Weather Conditions

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Map of Pacific - South Coast marine weather areas Tsawwassen Ferry Terminal 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 Sartine Island Solander Island Tofino Airport Grief Point Powell River Airport Sechelt Cape St.James Bella Bella Airport Bella Coola Airport Cathedral Point Herbert Island Point Atkinson Sand Heads Lightstation Vancouver Harbour Vancouver Int'l Airport West Vancouver Port Alberni Howe Sound - Pam Rocks Squamish Airport
Ice Conditions

There is no ice forecast issued for this area.

Warnings

Warnings (In effect)

Gale warning in effect

Johnstone Strait

Issued 10:30 AM PST 15 December 2017

'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 PST 15 December 2017 Tonight and Saturday At 4:00 p.m. PST today ridge located over Explorer extending
northward.
By 4:00 a.m. PST Saturday ridge located over BC interior.

At 4:00 p.m. PST today warm front located off Bowie.
By 10:00 a.m. PST Saturday warm front located on a line north-south
over Hecate Strait.

Marine Weather Statement

Issued 10:19 AM PST 15 December 2017 A ridge of high pressure over the offshore waters will shift to the
BC Interior on Saturday. Gale force northwest winds will develop off
the west coast of Vancouver Island today.

A warm front will approach the northern offshore waters late this
afternoon and move to lie over Hecate Strait by Saturday morning.
Ahead of the front winds will rise to gale force southerly over
northern and central waters. Winds will shift to gale force
southwesterly behind the front.

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