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Johnstone Strait

Forecast

Marine Forecast

Issued 10:30 AM PST 30 November 2022

Today Tonight and Thursday.

Gale warning in effect.

Wind variable 5 to 15 knots becoming northwest 10 to 20 this evening except easterly outflow 35 near the mainland inlets. Wind diminishing to light Thursday morning then increasing to southeast 5 to 15 near noon Thursday. Wind increasing to southeast 15 to 25 Thursday evening.

Flurries ending near midnight. Visibility 1 mile or less in flurries.

Temperatures plus 1 falling to minus 8 Thursday morning.

Extended Forecast

Issued 04:00 AM PST 30 November 2022
Friday Wind southeast 35 to 45 knots diminishing to southeast 20 to 30 late in the day.
Saturday Wind northeasterly outflow 25 to 35 knots.
Sunday Wind northeasterly outflow 25 to 35 knots diminishing to northeasterly outflow 15 to 25.

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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 Georgia Strait - 46303 English Bay - 46304 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
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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 30 November 2022

'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 10:30 AM PST 30 November 2022 Today Tonight and Thursday At 10:30 a.m. PST today ridge located over northern BC interior.
By 9:30 p.m. PST tonight quasi-stationary ridge located over
BC interior.

At 10:30 a.m. PST Thursday low located northwest of Bowie.
By 9:30 p.m. PST Thursday low 992 mb located over southern Bowie.

Marine Weather Statement

Issued 10:18 AM PST 30 November 2022 A ridge of high pressure over the BC Interior will continue to give
gale to storm force outflow winds through the mainland inlets today.
The ridge will weaken on Thursday and rebuild on Friday. Over
northern coastal waters, a risk of freezing spray will continue
Today as Arctic air pushes out from the mainland inlets.

An area of low pressure over the South Coast will gradually weaken
today. Northwesterly winds over southern waters will continue to
ease to light late this morning. Over offshore, central and northern
waters, gale to storm force northerlies will continue today and
gradually ease tonight.

Another low pressure system will track southwards across the offshore
waters Thursday night. Ahead of the low, southerly gales will
develop off the west coast of Haida Gwaii Thursday afternoon and
spread to central waters in the evening.

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