Johnstone Strait

Forecast

Marine Forecast

Issued 10:30 AM PST 07 December 2016

Today Tonight and Thursday

Storm warning in effect.

Wind southeast 5 to 15 knots except northeasterly outflow 35 near the mainland inlets. Wind becoming southeast 15 to 25 late this evening except northeasterly outflow 45 near the mainland inlets. Wind becoming southeast 35 early Thursday morning except northeasterly outflow 50 near the mainland inlets. Wind becoming southeast 35 to 45 Thursday afternoon except northeast 50 near the mainland inlets.

Periods of snow beginning Thursday evening.

A risk of freezing spray near the mainland inlets Thursday afternoon and evening.

Temperatures near plus 1.

Extended Forecast

Issued 04:00 AM PST 07 December 2016
Friday Wind northeasterly outflow 30 to 40 knots.
Saturday Wind northeasterly outflow 25 to 35 knots.
Sunday Wind northeasterly outflow 25 to 35 knots increasing to northeasterly outflow 40.

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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)

Storm warning in effect

Johnstone Strait

Issued 10:30 AM PST 07 December 2016

'Storm' force winds of 48 to 63 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 10:30 AM PST 7 December 2016 Today Tonight and Thursday At 10:30 a.m. PST today quasi-stationary ridge located over BC
interior.

At 1:00 a.m. PST Thursday deepening frontal system located southwest
of Explorer.
By 4:00 p.m. PST Thursday frontal system located over Explorer.

Marine Weather Statement

Issued 10:25 AM PST 7 December 2016 An Arctic ridge of high pressure will remain over the BC Interior
today and Thursday. Gale force outflow winds are occurring through
mainland inlets with generally light to moderate winds elsewhere for
today. Storm force outflow winds will develop through mainland inlets
through tonight. Cold temperatures from the Arctic outflow winds will
give a risk of moderate freezing spray near most mainland inlets.

A strong frontal system will approach Explorer and lie just
Southwest by Thursday morning. Gale to storm force southeasterlies
ahead of the system will spread to most South Coast regions.

Pacific - South Coast Area

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