Johnstone Strait

Forecast

Marine Forecast

Issued 04:00 AM PST 11 December 2018

Today Tonight and Wednesday.

Gale warning in effect.

Wind southeast 35 to 45 knots diminishing to southeast 20 to 30 late this morning and to variable 5 to 15 early this afternoon. Wind becoming northwest 10 to 20 this evening then becoming variable 5 to 15 overnight. Wind increasing to southeast 15 to 25 Wednesday morning and to southeast 30 to 40 Wednesday afternoon.

Rain changing to showers late this afternoon and ending overnight.

Temperatures near plus 1.

Extended Forecast

Issued 04:00 AM PST 11 December 2018
Thursday Wind northwest 20 knots becoming southeast 20 in the morning then increasing to southeast 35 late in the day.
Friday Wind southeast 35 knots diminishing to northwest 20 late in the day.
Saturday Wind southeast 35 knots increasing to southeast 50.

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Weather Conditions

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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 04:00 AM PST 11 December 2018

'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 AM PST 11 December 2018 Today Tonight and Wednesday At 4:00 a.m. PST today frontal system located from the Central
Coast to Vancouver Island.
By noon PST today departing frontal system located over the Lower
Mainland.

At 1:00 p.m. PST today ridge located over Pacific Ocean.
By 1:00 a.m. PST Wednesday weakening ridge located over the
offshore waters.

At 7:00 a.m. PST Wednesday frontal system located over Bowie.
By 7:00 p.m. PST Wednesday departing frontal system located over
southern Vancouver Island.

At 4:00 p.m. PST Wednesday low 972 mb located west of Bowie.
By 4:00 p.m. PST Wednesday quasi-stationary low 970 mb located
north of Bowie.

Marine Weather Statement

Issued 3:48 AM PST 11 December 2018 A vigorous frontal system currently lies along the Central Coast to
Central Vancouver Island. The front will progress through the inner
South Coast this morning and then depart into the BC Interior by
This afternoon.

Gale force southerly winds are expected through the inner south
coastal waters this morning.

A weak ridge of high pressure west of the offshore waters resulting
in gale force westerly winds across most areas this afternoon.

The next frontal wave moves over the offshore waters on Wednesday
morning and tracks east through the South Coast by evening.

Pacific - South Coast Area

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