Johnstone Strait

Forecast

Marine Forecast

Issued 04:00 PM PST 18 November 2017

Tonight and Sunday.

Gale warning in effect.

Wind southeast 30 to 40 knots diminishing to light Sunday morning then increasing to northwest 15 to 20 early Sunday afternoon.

Rain changing to a few showers Sunday afternoon and ending Sunday evening. Visibility 1 mile or less in rain.

Extended Forecast

Issued 04:00 PM PST 18 November 2017
Monday Wind northwest 5 to 15 knots increasing to southeast 15 to 20 in the afternoon.
Tuesday Wind southeast 25 to 35 knots.
Wednesday Wind southeast 25 to 35 knots.

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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 4:00 PM PST 18 November 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 18 November 2017 Tonight and Sunday At 4:00 p.m. PST today frontal system located from Hecate Strait
to Cape St. James then to Explorer.
By 10:00 a.m. PST Sunday frontal system located on a line
northeast-southwest over central Vancouver Island.

At 4:00 p.m. PST today low 997 mb located near Cape St. James.
By 10:00 p.m. PST tonight low 999 mb located over the North Coast.

Marine Weather Statement

Issued 3:47 PM PST 18 November 2017 A 997 millibar low near cape St. James will move across the
Mainland North Coast this evening. An associated frontal system
On a northeast to southwest line through Hecate Strait and
Explorer will move slowly southwards to lie through Northern
Vancouver Island by early Sunday morning then cross the South Coast
on Sunday.

Gale force southerly winds will prevail ahead of the front. Storm
force southeasterly near Northern Vancouver Island and over the
central waters will ease tonight as the low moves inland. Winds will
ease to moderate to strong westerlies behind the low and the front.

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