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Johnstone Strait


Marine Forecast

Issued 04:00 AM PDT 22 July 2019

Today Tonight and Tuesday.

Strong wind warning in effect.

Wind light increasing to northwest 10 to 20 knots this afternoon then becoming northwest 15 to 25 Tuesday afternoon.

Showers beginning Tuesday afternoon.

Extended Forecast

Issued 04:00 AM PDT 22 July 2019
Wednesday Wind west 5 to 15 knots increasing to southeast 15 to 25 in the morning.
Thursday Wind southeast 20 to 30 knots.
Friday Wind west 5 to 15 knots.

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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 (In effect)

Strong wind warning in effect

Johnstone Strait

Issued 04:00 AM PDT 22 July 2019

'Strong' winds of 20 to 33 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.


Technical Marine Synopsis

Issued 4:00 AM PDT 22 July 2019 Today Tonight and Tuesday At 4:00 a.m. PDT today weakening ridge located on a line
northeast-southwest over Tofino.

At 4:00 a.m. PDT today low 1014 mb located over southern Explorer.
By 4:00 a.m. PDT Tuesday low 1014 mb located off Haida Gwaii.

Marine Weather Statement

Issued 3:59 AM PDT 22 July 2019 A ridge of high pressure offshore will remain over Explorer today.
Strong to gale force westerlies will develop late this afternoon
Over eastern sections of Juan de Fuca Strait then ease this evening.

An area of low pressure will approach Haida Gwaii on Tuesday. Ahead
of the low, strong to gale force southerlies will develop over
Northern Hecate Strait and Dixon Entrance East Tuesday afternoon.

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